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Windows Analysis Report
5XpKRbh2k7.exe

Overview

General Information

Sample name:	5XpKRbh2k7.exe (renamed file extension from none to exe, renamed because original name is a hash value)
Original sample name:	d89bfa433590d35313bc40cfdd257acc84331d1f95cda24a47c22c23af78c724
Analysis ID:	1544261
MD5:	0b9820ecc88383016b7ff530a6777294
SHA1:	44c13dfa53d66e6c13b3eb06323d900cebfe7e6e
SHA256:	d89bfa433590d35313bc40cfdd257acc84331d1f95cda24a47c22c23af78c724
Infos:

Detection

Score:	48
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

.NET source code contains potential unpacker

Yara detected Generic Downloader

AV process strings found (often used to terminate AV products)

Allocates memory with a write watch (potentially for evading sandboxes)

Binary contains a suspicious time stamp

Checks if the current process is being debugged

One or more processes crash

Queries the volume information (name, serial number etc) of a device

Sample file is different than original file name gathered from version info

Classification

Process Tree

System is w10x64

5XpKRbh2k7.exe (PID: 7096 cmdline: "C:\Users\user\Desktop\5XpKRbh2k7.exe" MD5: 0B9820ECC88383016B7FF530A6777294)

WerFault.exe (PID: 5040 cmdline: C:\Windows\system32\WerFault.exe -u -p 7096 -s 760 MD5: FD27D9F6D02763BDE32511B5DF7FF7A0)

cleanup

Malware Configuration

⊘No configs have been found

Yara Signatures

Initial Sample

Source	Rule	Description	Author	Strings
5XpKRbh2k7.exe	JoeSecurity_GenericDownloader_1	Yara detected Generic Downloader	Joe Security

Sigma Signatures

⊘No Sigma rule has matched

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

Source: 5XpKRbh2k7.exe

Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\DependencyInjection\src\Microsoft.Extensions.DependencyInjection.Abstractions\bin\Release\netstandard1.0\Microsoft.Extensions.DependencyInjection.Abstractions.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.pdb source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: D:\a\1\s\xpdBootstrapper\obj\Release\net472\xpdBootstrapper.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: E:\A\_work\708\s\corefx\bin\obj\AnyOS.AnyCPU.Release\System.Diagnostics.DiagnosticSource\net46\System.Diagnostics.DiagnosticSource.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\Microsoft.Applications.Events\obj\Server\netstandard1.3\Microsoft.Applications.Events.Server.pdbSHA256 source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.ni.pdb source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: D:\a\1\s\Microsoft.Applications.Events\obj\Server\netstandard1.3\Microsoft.Applications.Events.Server.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\OTelCS.Net461\Sources\OneCollector\obj\Release\Microsoft.Office.Telemetry.OneCollector.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\EventFlags.Net45\Sources\obj\Release\Microsoft.Office.Telemetry.EventFlags.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\EventFlags.Net45\Sources\obj\Release\Microsoft.Office.Telemetry.EventFlags.pdb\|A source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\OTelCS.Net461\Sources\TelemetryService\obj\Release\OTelCS.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.ni.pdbRSDS7^3l source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Logging\src\Microsoft.Extensions.Logging.Abstractions\bin\Release\netstandard1.1\Microsoft.Extensions.Logging.Abstractions.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Microsoft.Data.Sqlite\src\Microsoft.Data.Sqlite\bin\Release\netstandard1.3\Microsoft.Data.Sqlite.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Logging\src\Microsoft.Extensions.Logging\bin\Release\netstandard1.1\Microsoft.Extensions.Logging.pdb source: 5XpKRbh2k7.exe

Networking

Yara detected Generic Downloader

Source: Yara match

File source: 5XpKRbh2k7.exe, type: SAMPLE

Source: 5XpKRbh2k7.exe	String found in binary or memory: http://corppki/aia/MSIT%20CA%20Z1(2).crt0E
Source: 5XpKRbh2k7.exe	String found in binary or memory: http://corppki/aia/msintcrca.crt0=
Source: 5XpKRbh2k7.exe	String found in binary or memory: http://corppki/crl/MSIT%20CA%20Z1(2).crl
Source: 5XpKRbh2k7.exe	String found in binary or memory: http://corppki/crl/msintcrca.crl
Source: 5XpKRbh2k7.exe	String found in binary or memory: http://sqlite.org/rescode.html
Source: Amcache.hve.3.dr	String found in binary or memory: http://upx.sf.net
Source: 5XpKRbh2k7.exe	String found in binary or memory: http://www.asp.net/
Source: 5XpKRbh2k7.exe	String found in binary or memory: https://pipe.int.trafficmanager.net/OneCollector/1.0/
Source: 5XpKRbh2k7.exe	String found in binary or memory: https://support.office.com/oReplacing

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

Process created: C:\Windows\System32\WerFault.exe C:\Windows\system32\WerFault.exe -u -p 7096 -s 760

Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Applications.Events.Server.dllj% vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Data.Sqlite.dll> vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Extensions.DependencyInjection.Abstractions.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Extensions.Logging.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Extensions.Logging.Abstractions.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Office.Telemetry.EventFlags.dlll& vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameMicrosoft.Office.Telemetry.OneCollector.dllB vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameOTelCS.dll. vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE03462000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenameSystem.Diagnostics.DiagnosticSource.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe, 00000000.00000000.1682954949.000001EE036E7000.00000002.00000001.01000000.00000003.sdmp	Binary or memory string: OriginalFilenamexpdBootstrapper.exeX vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Applications.Events.Server.dllj% vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Data.Sqlite.dll> vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Extensions.DependencyInjection.Abstractions.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Extensions.Logging.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Extensions.Logging.Abstractions.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Office.Telemetry.EventFlags.dlll& vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameMicrosoft.Office.Telemetry.OneCollector.dllB vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameOTelCS.dll. vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenameSystem.Diagnostics.DiagnosticSource.dllT vs 5XpKRbh2k7.exe
Source: 5XpKRbh2k7.exe	Binary or memory string: OriginalFilenamexpdBootstrapper.exeX vs 5XpKRbh2k7.exe

Source: 5XpKRbh2k7.exe, IAppxBundleReader.cs	Suspicious method names: ..GetPayloadPackage
Source: 5XpKRbh2k7.exe, IAppxBundleReader.cs	Suspicious method names: ..GetPayloadPackages
Source: 5XpKRbh2k7.exe, IAppxPackageWriter.cs	Suspicious method names: ..AddPayloadFile
Source: 5XpKRbh2k7.exe, IAppxPackageReader.cs	Suspicious method names: ..GetPayloadFile
Source: 5XpKRbh2k7.exe, IAppxPackageReader.cs	Suspicious method names: ..GetPayloadFiles
Source: 5XpKRbh2k7.exe, Program.cs	Suspicious method names: .Program.GetPayload
Source: 5XpKRbh2k7.exe, Program.cs	Suspicious method names: .Program.InjectResources
Source: 5XpKRbh2k7.exe, Program.cs	Suspicious method names: .Program.PayloadFromPackage

Source: classification engine

Classification label: mal48.troj.evad.winEXE@2/5@0/0

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Mutant created: NULL
Source: C:\Windows\System32\WerFault.exe	Mutant created: \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess7096

Source: C:\Windows\System32\WerFault.exe

File created: C:\ProgramData\Microsoft\Windows\WER\Temp\9c090737-4f8e-4ed4-81c7-d95a0bb408c4

Jump to behavior

Source: 5XpKRbh2k7.exe

Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ

Source: 5XpKRbh2k7.exe

Static file information: TRID: Win32 Executable (generic) Net Framework (10011505/4) 49.83%

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: 5XpKRbh2k7.exe	String found in binary or memory: --help
Source: 5XpKRbh2k7.exe	String found in binary or memory: --help
Source: 5XpKRbh2k7.exe	String found in binary or memory: !/silent /installQRunning WebView2 Evergreen bootstrapper.[WebView2 Evergreen bootstrapper has been run.aError running WebView2 Evergreen bootstrapper: '
Source: 5XpKRbh2k7.exe	String found in binary or memory: Try `= --help' for more information.
Source: 5XpKRbh2k7.exe	String found in binary or memory: Try `= --help' for more information.
Source: 5XpKRbh2k7.exe	String found in binary or memory: install/Installs a packaged app?Installs a packaged application!p:\|pkg:\|package:
Source: 5XpKRbh2k7.exe	String found in binary or memory: launch/Launches an application/pfn:\|packageFamilyName:kPackage family name of the application to be launchedeCommand line to pass into the launched applicationlistYLists all versions of the app on this device
Source: 5XpKRbh2k7.exe	String found in binary or memory: Input does not match expected format: [x-y]. Run xpdAgent.exe configure-buckets --help to see formatting instructions
Source: 5XpKRbh2k7.exe	String found in binary or memory: Input does not match expected format: [x-y]. Run xpdAgent.exe configure-buckets --help to see formatting instructions
Source: 5XpKRbh2k7.exe	String found in binary or memory: Unable to parse range. Run xpdAgent.exe configure-buckets --help to see formatting instructions
Source: 5XpKRbh2k7.exe	String found in binary or memory: Unable to parse range. Run xpdAgent.exe configure-buckets --help to see formatting instructions
Source: 5XpKRbh2k7.exe	String found in binary or memory: IChecking installation prerequisites.yAt least one installation prerequisite was not met, exiting.KCompleted installation prerequisites./Installation succeeded.EInstallation failed with exception
Source: 5XpKRbh2k7.exe	String found in binary or memory: qFailed to add persistent data fields to an unusable sink/AddPersistentDataFields!Dropping event: %SendTelemetryEvent9Event name was null or empty
Source: 5XpKRbh2k7.exe	String found in binary or memory: {"indirect":"false","quiet":"false","errorBaseUrl":"https://go.microsoft.com/fwlink/","errorParameters":"linkid=2238672","packageFamilyName":"Microsoft.OutlookForWindows_8wekyb3d8bbwe","applicationId":"Microsoft.OutlookforWindows","arm64":"https://res.cdn.office.net/nativehost/5mttl/installer/v2/1.2024.1018.100/Microsoft.OutlookForWindows_arm64.msix","x86":"https://res.cdn.office.net/nativehost/5mttl/installer/v2/1.2024.1018.100/Microsoft.OutlookForWindows_x86.msix","x64":"https://res.cdn.office.net/nativehost/5mttl/installer/v2/1.2024.1018.100/Microsoft.OutlookForWindows_x64.msix","CompanyName":"Microsoft Corporation","FileDescription":"Microsoft Outlook Installer","FileVersion":"1.2024.1018.100","LegalCopyright":"Copyright (C) Microsoft Corporation. All rights reserved.","ProductName":"Microsoft Outlook Installer","ProductVersion":"1.2024.1018.100","packageManifest":"C:\\a\\_work\\1\\b\\2\\_work\\1\\s\\build\\win-x64-release\\xpdPackLogs\\AppXManifest.xml","errorBackgroundColor":"#ffffff","errorTextColor":"#737474","enableStubMode":"true"}PA

Source: unknown	Process created: C:\Users\user\Desktop\5XpKRbh2k7.exe "C:\Users\user\Desktop\5XpKRbh2k7.exe"
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process created: C:\Windows\System32\WerFault.exe C:\Windows\system32\WerFault.exe -u -p 7096 -s 760

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: mscoree.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: kernel.appcore.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: version.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: vcruntime140_clr0400.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: ucrtbase_clr0400.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: uxtheme.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: cryptsp.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: rsaenh.dll	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Section loaded: cryptbase.dll	Jump to behavior

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

File opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dll

Jump to behavior

Source: 5XpKRbh2k7.exe

Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR

Source: 5XpKRbh2k7.exe

Static file information: File size 2725888 > 1048576

Source: 5XpKRbh2k7.exe

Static PE information: Raw size of .rsrc is bigger than: 0x100000 < 0x1b9600

Source: 5XpKRbh2k7.exe

Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Source: 5XpKRbh2k7.exe

Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG

Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\DependencyInjection\src\Microsoft.Extensions.DependencyInjection.Abstractions\bin\Release\netstandard1.0\Microsoft.Extensions.DependencyInjection.Abstractions.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.pdb source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: D:\a\1\s\xpdBootstrapper\obj\Release\net472\xpdBootstrapper.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: E:\A\_work\708\s\corefx\bin\obj\AnyOS.AnyCPU.Release\System.Diagnostics.DiagnosticSource\net46\System.Diagnostics.DiagnosticSource.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\Microsoft.Applications.Events\obj\Server\netstandard1.3\Microsoft.Applications.Events.Server.pdbSHA256 source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.ni.pdb source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: D:\a\1\s\Microsoft.Applications.Events\obj\Server\netstandard1.3\Microsoft.Applications.Events.Server.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\OTelCS.Net461\Sources\OneCollector\obj\Release\Microsoft.Office.Telemetry.OneCollector.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\EventFlags.Net45\Sources\obj\Release\Microsoft.Office.Telemetry.EventFlags.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\EventFlags.Net45\Sources\obj\Release\Microsoft.Office.Telemetry.EventFlags.pdb\|A source: 5XpKRbh2k7.exe
Source:	Binary string: D:\a\1\s\OTelCS.Net461\Sources\TelemetryService\obj\Release\OTelCS.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: mscorlib.ni.pdbRSDS7^3l source: WER2F60.tmp.dmp.3.dr
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Logging\src\Microsoft.Extensions.Logging.Abstractions\bin\Release\netstandard1.1\Microsoft.Extensions.Logging.Abstractions.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Microsoft.Data.Sqlite\src\Microsoft.Data.Sqlite\bin\Release\netstandard1.3\Microsoft.Data.Sqlite.pdb source: 5XpKRbh2k7.exe
Source:	Binary string: C:\b\w\d6337ac2abf63a4b\.repositories\Logging\src\Microsoft.Extensions.Logging\bin\Release\netstandard1.1\Microsoft.Extensions.Logging.pdb source: 5XpKRbh2k7.exe

Data Obfuscation

.NET source code contains potential unpacker

Source: 5XpKRbh2k7.exe, JSONParser.cs	.Net Code: ParseValue
Source: 5XpKRbh2k7.exe, Program.cs	.Net Code: Main System.Reflection.Assembly.Load(byte[])
Source: 5XpKRbh2k7.exe, Program.cs	.Net Code: Main System.Reflection.Assembly.Load(byte[])

Source: 5XpKRbh2k7.exe

Static PE information: 0x8B7D1A90 [Sun Feb 28 00:23:44 2044 UTC]

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: FAILCRITICALERRORS \| NOGPFAULTERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: FAILCRITICALERRORS \| NOGPFAULTERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: FAILCRITICALERRORS \| NOGPFAULTERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: FAILCRITICALERRORS \| NOGPFAULTERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: FAILCRITICALERRORS \| NOGPFAULTERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior
Source: C:\Windows\System32\WerFault.exe	Process information set: NOOPENFILEERRORBOX	Jump to behavior

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Memory allocated: 1EE03A20000 memory reserve \| memory write watch			Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Memory allocated: 1EE1D5B0000 memory reserve \| memory write watch			Jump to behavior

Source: Amcache.hve.3.dr	Binary or memory string: VMware
Source: Amcache.hve.3.dr	Binary or memory string: VMware Virtual USB Mouse
Source: Amcache.hve.3.dr	Binary or memory string: vmci.syshbin
Source: Amcache.hve.3.dr	Binary or memory string: VMware, Inc.
Source: Amcache.hve.3.dr	Binary or memory string: VMware20,1hbin@
Source: Amcache.hve.3.dr	Binary or memory string: c:\windows\system32\driverstore\filerepository\vmci.inf_amd64_68ed49469341f563
Source: Amcache.hve.3.dr	Binary or memory string: Ascsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.3.dr	Binary or memory string: .Z$c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.3.dr	Binary or memory string: :scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.3.dr	Binary or memory string: pci\ven_15ad&dev_0740&subsys_074015ad,pci\ven_15ad&dev_0740,root\vmwvmcihostdev
Source: Amcache.hve.3.dr	Binary or memory string: c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.3.dr	Binary or memory string: scsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.3.dr	Binary or memory string: vmci.sys
Source: Amcache.hve.3.dr	Binary or memory string: VMware-56 4d 43 71 48 15 3d ed-ae e6 c7 5a ec d9 3b f0
Source: Amcache.hve.3.dr	Binary or memory string: vmci.syshbin`
Source: Amcache.hve.3.dr	Binary or memory string: \driver\vmci,\driver\pci
Source: Amcache.hve.3.dr	Binary or memory string: scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.3.dr	Binary or memory string: VMware20,1
Source: Amcache.hve.3.dr	Binary or memory string: Microsoft Hyper-V Generation Counter
Source: Amcache.hve.3.dr	Binary or memory string: NECVMWar VMware SATA CD00
Source: Amcache.hve.3.dr	Binary or memory string: VMware Virtual disk SCSI Disk Device
Source: Amcache.hve.3.dr	Binary or memory string: scsi\cdromnecvmwarvmware_sata_cd001.00,scsi\cdromnecvmwarvmware_sata_cd00,scsi\cdromnecvmwar,scsi\necvmwarvmware_sata_cd001,necvmwarvmware_sata_cd001,gencdrom
Source: Amcache.hve.3.dr	Binary or memory string: scsi\diskvmware__virtual_disk____2.0_,scsi\diskvmware__virtual_disk____,scsi\diskvmware__,scsi\vmware__virtual_disk____2,vmware__virtual_disk____2,gendisk
Source: Amcache.hve.3.dr	Binary or memory string: Microsoft Hyper-V Virtualization Infrastructure Driver
Source: Amcache.hve.3.dr	Binary or memory string: VMware PCI VMCI Bus Device
Source: Amcache.hve.3.dr	Binary or memory string: VMware VMCI Bus Device
Source: Amcache.hve.3.dr	Binary or memory string: VMware Virtual RAM
Source: Amcache.hve.3.dr	Binary or memory string: BiosVendor:VMware, Inc.,BiosVersion:VMW201.00V.20829224.B64.2211211842,BiosReleaseDate:11/21/2022,BiosMajorRelease:0xff,BiosMinorRelease:0xff,SystemManufacturer:VMware, Inc.,SystemProduct:VMware20,1,SystemFamily:,SystemSKUNumber:,BaseboardManufacturer:,BaseboardProduct:,BaseboardVersion:,EnclosureType:0x1
Source: Amcache.hve.3.dr	Binary or memory string: vmci.inf_amd64_68ed49469341f563

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process queried: DebugPort			Jump to behavior
Source: C:\Users\user\Desktop\5XpKRbh2k7.exe	Process queried: DebugPort			Jump to behavior

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

Memory allocated: page read and write | page guard

Jump to behavior

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

Queries volume information: C:\Users\user\Desktop\5XpKRbh2k7.exe VolumeInformation

Jump to behavior

Source: C:\Users\user\Desktop\5XpKRbh2k7.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid

Jump to behavior

Source: Amcache.hve.3.dr	Binary or memory string: c:\programdata\microsoft\windows defender\platform\4.18.23080.2006-0\msmpeng.exe
Source: Amcache.hve.3.dr	Binary or memory string: msmpeng.exe
Source: Amcache.hve.3.dr	Binary or memory string: c:\program files\windows defender\msmpeng.exe
Source: Amcache.hve.3.dr	Binary or memory string: MsMpEng.exe

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	Acquire Infrastructure	Valid Accounts	2 Command and Scripting Interpreter	1 DLL Side-Loading	1 Process Injection	2 Virtualization/Sandbox Evasion	OS Credential Dumping	21 Security Software Discovery	Remote Services	Data from Local System	Data Obfuscation	Exfiltration Over Other Network Medium	Abuse Accessibility Features
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	1 DLL Side-Loading	1 Disable or Modify Tools	LSASS Memory	2 Virtualization/Sandbox Evasion	Remote Desktop Protocol	Data from Removable Media	Junk Data	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	1 Software Packing	Security Account Manager	12 System Information Discovery	SMB/Windows Admin Shares	Data from Network Shared Drive	Steganography	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	1 Process Injection	NTDS	System Network Configuration Discovery	Distributed Component Object Model	Input Capture	Protocol Impersonation	Traffic Duplication	Data Destruction
Gather Victim Network Information	Server	Cloud Accounts	Launchd	Network Logon Script	Network Logon Script	1 Timestomp	LSA Secrets	Internet Connection Discovery	SSH	Keylogging	Fallback Channels	Scheduled Transfer	Data Encrypted for Impact
Domain Properties	Botnet	Replication Through Removable Media	Scheduled Task	RC Scripts	RC Scripts	1 DLL Side-Loading	Cached Domain Credentials	Wi-Fi Discovery	VNC	GUI Input Capture	Multiband Communication	Data Transfer Size Limits	Service Stop

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
5XpKRbh2k7.exe	0%	ReversingLabs
5XpKRbh2k7.exe	0%	Virustotal		Browse

Dropped Files

⊘No Antivirus matches

Unpacked PE Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

Source	Detection	Scanner	Label	Link
http://upx.sf.net	0%	URL Reputation	safe
https://support.office.com/oReplacing	0%	Virustotal		Browse
http://www.asp.net/	0%	Virustotal		Browse

Domains and IPs

Contacted Domains

⊘No contacted domains info

URLs from Memory and Binaries

Name	Source	Malicious	Antivirus Detection	Reputation
http://upx.sf.net	Amcache.hve.3.dr	false	URL Reputation: safe	unknown
http://corppki/crl/msintcrca.crl	5XpKRbh2k7.exe	false		unknown
http://www.asp.net/	5XpKRbh2k7.exe	false	0%, Virustotal, Browse	unknown
http://corppki/aia/MSIT%20CA%20Z1(2).crt0E	5XpKRbh2k7.exe	false		unknown
http://corppki/crl/MSIT%20CA%20Z1(2).crl	5XpKRbh2k7.exe	false		unknown
https://support.office.com/oReplacing	5XpKRbh2k7.exe	false	0%, Virustotal, Browse	unknown
http://corppki/aia/msintcrca.crt0=	5XpKRbh2k7.exe	false		unknown
http://sqlite.org/rescode.html	5XpKRbh2k7.exe	false		unknown

World Map of Contacted IPs

⊘No contacted IP infos

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1544261
Start date and time:	2024-10-29 06:42:16 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 3m 59s
Hypervisor based Inspection enabled:	false
Report type:	full
Cookbook file name:	default.jbs
Analysis system description:	Windows 10 x64 22H2 with Office Professional Plus 2019, Chrome 117, Firefox 118, Adobe Reader DC 23, Java 8 Update 381, 7zip 23.01
Number of analysed new started processes analysed:	8
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	EGA enabled AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Sample name:	5XpKRbh2k7.exe (renamed file extension from none to exe, renamed because original name is a hash value)
Original Sample Name:	d89bfa433590d35313bc40cfdd257acc84331d1f95cda24a47c22c23af78c724
Detection:	MAL
Classification:	mal48.troj.evad.winEXE@2/5@0/0

Warnings

Exclude process from analysis (whitelisted): MpCmdRun.exe, WerFault.exe, WMIADAP.exe, SIHClient.exe, conhost.exe, svchost.exe
Excluded IPs from analysis (whitelisted): 52.168.117.173
Excluded domains from analysis (whitelisted): onedsblobprdeus16.eastus.cloudapp.azure.com, ocsp.digicert.com, login.live.com, slscr.update.microsoft.com, otelrules.azureedge.net, blobcollector.events.data.trafficmanager.net, ctldl.windowsupdate.com, umwatson.events.data.microsoft.com, fe3cr.delivery.mp.microsoft.com
Not all processes where analyzed, report is missing behavior information

Simulations

Behavior and APIs

Time	Type	Description
01:43:30	API Interceptor	1x Sleep call for process: WerFault.exe modified

Joe Sandbox View / Context

IPs

⊘No context

Domains

⊘No context

ASNs

⊘No context

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_5XpKRbh2k7.exe_7c951b3511dd73c28dc917ef5d2d801ea4772771_6d508433_2edd89ab-d19c-4cd5-9845-e9eb5b195e2d\Report.wer

Download File

Process:	C:\Windows\System32\WerFault.exe
File Type:	Unicode text, UTF-16, little-endian text, with CRLF line terminators
Category:	dropped
Size (bytes):	65536
Entropy (8bit):	0.8579064854031604
Encrypted:	false
SSDEEP:	96:JhF7ZhzTkhssl9kzxymTpQXIDcQ1c6mcEqcw3QdJ+BHUHZopAnQFdE7HeSv+xnj0:PnVssLA0biwMsaKWzuiFNZ24lO8yyV
MD5:	21B606C91473EE3DBAF54402A5B117C9
SHA1:	ECDD372AC03D5BDEC46855544D06EAFA7292262C
SHA-256:	0AB908246ED182010343BE8EF51995DEAAB835154985614C18F4CD7F392BFD30
SHA-512:	2E889AEEA0ED8DF47284B4DEE2902CF38CC345900336406952A8C17DEE9908C5F9F5011F71F233304B882DC8443F576E3A48DFF162CD25345CAD1A1C8B6EFED8
Malicious:	false
Reputation:	low
Preview:	..V.e.r.s.i.o.n.=.1.....E.v.e.n.t.T.y.p.e.=.A.P.P.C.R.A.S.H.....E.v.e.n.t.T.i.m.e.=.1.3.3.7.4.6.5.4.1.8.9.2.4.9.1.2.2.1.....R.e.p.o.r.t.T.y.p.e.=.2.....C.o.n.s.e.n.t.=.1.....U.p.l.o.a.d.T.i.m.e.=.1.3.3.7.4.6.5.4.1.8.9.6.2.4.1.2.4.1.....R.e.p.o.r.t.S.t.a.t.u.s.=.5.2.4.3.8.4.....R.e.p.o.r.t.I.d.e.n.t.i.f.i.e.r.=.2.e.d.d.8.9.a.b.-.d.1.9.c.-.4.c.d.5.-.9.8.4.5.-.e.9.e.b.5.b.1.9.5.e.2.d.....I.n.t.e.g.r.a.t.o.r.R.e.p.o.r.t.I.d.e.n.t.i.f.i.e.r.=.2.e.f.1.6.f.5.f.-.c.4.7.5.-.4.a.6.e.-.9.3.7.7.-.b.0.9.3.0.b.7.3.0.e.e.d.....W.o.w.6.4.H.o.s.t.=.3.4.4.0.4.....N.s.A.p.p.N.a.m.e.=.5.X.p.K.R.b.h.2.k.7...e.x.e.....O.r.i.g.i.n.a.l.F.i.l.e.n.a.m.e.=.x.p.d.B.o.o.t.s.t.r.a.p.p.e.r...e.x.e.....A.p.p.S.e.s.s.i.o.n.G.u.i.d.=.0.0.0.0.1.b.b.8.-.0.0.0.1.-.0.0.1.4.-.6.0.8.3.-.f.8.6.e.c.5.2.9.d.b.0.1.....T.a.r.g.e.t.A.p.p.I.d.=.W.:.0.0.0.6.3.2.0.e.3.a.4.3.9.1.2.a.b.0.a.4.3.a.8.e.6.d.b.a.4.8.d.a.8.1.2.9.0.0.0.0.0.0.0.0.!.0.0.0.0.4.4.c.1.3.d.f.a.5.3.d.6.6.e.6.c.1.3.b.3.e.b.0.6.3.2.3.d.9.0.0.c.e.b.f.e.7.e.6.e.!.5.X.p.

C:\ProgramData\Microsoft\Windows\WER\Temp\WER2F60.tmp.dmp

Download File

Process:	C:\Windows\System32\WerFault.exe
File Type:	Mini DuMP crash report, 16 streams, Tue Oct 29 05:43:09 2024, 0x1205a4 type
Category:	dropped
Size (bytes):	215542
Entropy (8bit):	2.6027343713973825
Encrypted:	false
SSDEEP:	1536:Ig8YziuZ9jCC8jH/K3mXh5+vMOxVF83IHyUvqy/:v8Yzl1CCqn3+v/VwriB/
MD5:	CA0E1F9AA889658772CA14EB243B2C8E
SHA1:	D5DD1E42BEC9AB525A58AB47D0439351CCED816C
SHA-256:	E15C46E97996C019F476AF11BAB3ED8993B889680D44A11C7F747017B758E094
SHA-512:	450E8BDD1B1DEB260D27F760739D2496C62AAFDDCF2A9DA6C44EBCEB88FC7EE58AD9D406FC5630962612AF06477F90FB666C3F3341910B14EB9D332991A82CF5
Malicious:	false
Reputation:	low
Preview:	MDMP..a..... ........u g....................................$...X...........\|............O..........l.......8...........T................,......................p...............................................................................eJ..............Lw......................T............u g.............................0..............,...E.a.s.t.e.r.n. .S.t.a.n.d.a.r.d. .T.i.m.e...........................................E.a.s.t.e.r.n. .S.u.m.m.e.r. .T.i.m.e...............................................1.9.0.4.1...1...a.m.d.6.4.f.r.e...v.b._.r.e.l.e.a.s.e...1.9.1.2.0.6.-.1.4.0.6...........................................................................................................................................................................................................................................................................................................................................................................................................................

C:\ProgramData\Microsoft\Windows\WER\Temp\WER301C.tmp.WERInternalMetadata.xml

Download File

Process:	C:\Windows\System32\WerFault.exe
File Type:	XML 1.0 document, Unicode text, UTF-16, little-endian text, with CRLF line terminators
Category:	dropped
Size (bytes):	8558
Entropy (8bit):	3.707100623029257
Encrypted:	false
SSDEEP:	192:R6l7wVeJhLz6Y9dlS3tgmfJ4dvUprw89bnmAf0itm:R6lXJtz6YnlS3tgmfJ4dvcnxfu
MD5:	D0196478AC23E5ACF54C9C7F34D1FB7E
SHA1:	57F065C0ED2A55D1985BB3EEEBE1FC8542F7BC46
SHA-256:	10C186512F6858F790387EBF662CB7FA929030D2BFD61A6C8194B56CDF4795A5
SHA-512:	03C36F0377E44AD2F391570B4AFFA9A5BB1BD7C1F35CF3EF739C27A705191B913FDE3075E058E959930590102536C8BFE787586356BBA205830BE73D8A9A7483
Malicious:	false
Reputation:	low
Preview:	..<.?.x.m.l. .v.e.r.s.i.o.n.=.".1...0.". .e.n.c.o.d.i.n.g.=.".U.T.F.-.1.6.".?.>.....<.W.E.R.R.e.p.o.r.t.M.e.t.a.d.a.t.a.>.......<.O.S.V.e.r.s.i.o.n.I.n.f.o.r.m.a.t.i.o.n.>.........<.W.i.n.d.o.w.s.N.T.V.e.r.s.i.o.n.>.1.0...0.<./.W.i.n.d.o.w.s.N.T.V.e.r.s.i.o.n.>.........<.B.u.i.l.d.>.1.9.0.4.5.<./.B.u.i.l.d.>.........<.P.r.o.d.u.c.t.>.(.0.x.3.0.).:. .W.i.n.d.o.w.s. .1.0. .P.r.o.<./.P.r.o.d.u.c.t.>.........<.E.d.i.t.i.o.n.>.P.r.o.f.e.s.s.i.o.n.a.l.<./.E.d.i.t.i.o.n.>.........<.B.u.i.l.d.S.t.r.i.n.g.>.1.9.0.4.1...2.0.0.6...a.m.d.6.4.f.r.e...v.b._.r.e.l.e.a.s.e...1.9.1.2.0.6.-.1.4.0.6.<./.B.u.i.l.d.S.t.r.i.n.g.>.........<.R.e.v.i.s.i.o.n.>.2.0.0.6.<./.R.e.v.i.s.i.o.n.>.........<.F.l.a.v.o.r.>.M.u.l.t.i.p.r.o.c.e.s.s.o.r. .F.r.e.e.<./.F.l.a.v.o.r.>.........<.A.r.c.h.i.t.e.c.t.u.r.e.>.X.6.4.<./.A.r.c.h.i.t.e.c.t.u.r.e.>.........<.L.C.I.D.>.2.0.5.7.<./.L.C.I.D.>.......<./.O.S.V.e.r.s.i.o.n.I.n.f.o.r.m.a.t.i.o.n.>.......<.P.r.o.c.e.s.s.I.n.f.o.r.m.a.t.i.o.n.>.........<.P.i.d.>.7.0.9.6.<./.P.i.

C:\ProgramData\Microsoft\Windows\WER\Temp\WER304C.tmp.xml

Download File

Process:	C:\Windows\System32\WerFault.exe
File Type:	XML 1.0 document, ASCII text, with CRLF line terminators
Category:	dropped
Size (bytes):	4739
Entropy (8bit):	4.49924203094601
Encrypted:	false
SSDEEP:	48:cvIwWl8zs8Jg771I9xzyWpW8VY+Ym8M4J6xIsFNRyq858xmh4bB/6d:uIjf6I76/7VqJ6xRRnxi4bB/6d
MD5:	31A6A84A87E2C04FD0EBA41B90340583
SHA1:	F92C38F3AD945B42AB227FF0973BEE570C8C19D1
SHA-256:	69DE1DCC8B607CF61E6BBE9EE95A87FF31E7F2B2F2809A860E3CA7CCCF003EEF
SHA-512:	DF66ACA7AB2DE2D36BDB788B00F4E63BCDAE0345292EA70633E6F263FCE69EAF9A967803014B2032C700BB5E3A6AE25A3DA0BFA603D133CCB2A2261254DD93A3
Malicious:	false
Reputation:	low
Preview:	<?xml version="1.0" encoding="UTF-8" standalone="yes"?>..<req ver="2">.. <tlm>.. <src>.. <desc>.. <mach>.. <os>.. <arg nm="vermaj" val="10" />.. <arg nm="vermin" val="0" />.. <arg nm="verbld" val="19045" />.. <arg nm="vercsdbld" val="2006" />.. <arg nm="verqfe" val="2006" />.. <arg nm="csdbld" val="2006" />.. <arg nm="versp" val="0" />.. <arg nm="arch" val="9" />.. <arg nm="lcid" val="2057" />.. <arg nm="geoid" val="223" />.. <arg nm="sku" val="48" />.. <arg nm="domain" val="0" />.. <arg nm="prodsuite" val="256" />.. <arg nm="ntprodtype" val="1" />.. <arg nm="platid" val="2" />.. <arg nm="tmsi" val="564285" />.. <arg nm="osinsty" val="1" />.. <arg nm="iever" val="11.789.19041.0-11.0.1000" />.. <arg nm="portos" val="0" />.. <arg nm="ram" val="409

C:\Windows\appcompat\Programs\Amcache.hve

Download File

Process:	C:\Windows\System32\WerFault.exe
File Type:	MS Windows registry file, NT/2000 or above
Category:	dropped
Size (bytes):	1835008
Entropy (8bit):	4.466092212818802
Encrypted:	false
SSDEEP:	6144:aIXfpi67eLPU9skLmb0b4mWSPKaJG8nAgejZMMhA2gX4WABl0uNvdwBCswSbt:vXD94mWlLZMM6YFHl+t
MD5:	E78C727C383395A183B122E6D50A0F39
SHA1:	CC9756934D3312E9E28377171045AE1A8A4C3D1A
SHA-256:	9E61A71ECC1BCED7B29C9723DD470504AE1C3D1FA97E3D6A920B04F22DEE776A
SHA-512:	1CA3191917E6F46FD6307F2C6681784C455340DB1CB66188C8F10156718A4341A3B64A911002A2335EDCDECA97F87C61C95C8F44DE2BEF26EEBF9D84A29E22AF
Malicious:	false
Reputation:	low
Preview:	regf6...6....\.Z.................... ...........\.A.p.p.C.o.m.p.a.t.\.P.r.o.g.r.a.m.s.\.A.m.c.a.c.h.e...h.v.e....c...b...#.......c...b...#...........c...b...#......rmtm.`o.)...............................................................................................................................................................................................................................................................................................................................................-w[........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Static File Info

General

File type:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Entropy (8bit):	3.3813537372092846
TrID:	Win32 Executable (generic) Net Framework (10011505/4) 49.83% Win32 Executable (generic) a (10002005/4) 49.78% Generic CIL Executable (.NET, Mono, etc.) (73296/58) 0.36% Generic Win/DOS Executable (2004/3) 0.01% DOS Executable Generic (2002/1) 0.01%
File name:	5XpKRbh2k7.exe
File size:	2'725'888 bytes
MD5:	0b9820ecc88383016b7ff530a6777294
SHA1:	44c13dfa53d66e6c13b3eb06323d900cebfe7e6e
SHA256:	d89bfa433590d35313bc40cfdd257acc84331d1f95cda24a47c22c23af78c724
SHA512:	a45a9af37a0df94b134c1e28e5f745d85cd2da29f304de3cc7359ed8798e9d0022f6f0affd78acb04aa580f98a62b4970b4e8df6aee52f57f2deb1ccebdec180
SSDEEP:	12288:qVuZ6Zoi5qEeMjY7sMCkn8Q+qPFU1k8QRiAfXnDZRImi:SuZpsMCkbtfiAn5i
TLSH:	52C56B4267F88615E2FF1B34E4B0443907BAFE676AA2D38E5945BC8D1B33B849521733
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......PE..L.....}..........."...0.................. ... ....@.. ........................)...........`................................

File Icon


Icon Hash:	1c37ec3a1ec4e373

Static PE Info

General

Entrypoint:	0x4e12c6
Entrypoint Section:	.text
Digitally signed:	false
Imagebase:	0x400000
Subsystem:	windows gui
Image File Characteristics:	EXECUTABLE_IMAGE, LARGE_ADDRESS_AWARE
DLL Characteristics:	HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Time Stamp:	0x8B7D1A90 [Sun Feb 28 00:23:44 2044 UTC]
TLS Callbacks:
CLR (.Net) Version:
OS Version Major:	4
OS Version Minor:	0
File Version Major:	4
File Version Minor:	0
Subsystem Version Major:	4
Subsystem Version Minor:	0
Import Hash:	f34d5f2d4577ed6d9ceec516c1f5a744

Entrypoint Preview

Instruction
jmp dword ptr [00402000h]
add byte ptr [eax], al
add byte ptr [eax], al
push ebx
push eax
add byte ptr [eax], FFFFFF9Bh
in al, FCh
pop esp
sub edx, edi
mov dl, byte ptr [edx-331D432Ch]
cld
cmp al, 05h
out C4h, eax
xchg eax, edx
aam F4h
cld
mov byte ptr [F2A55B4Ah], al
int3
mov esp, 62F2FC94h
cmp eax, 6A707CA0h
push ecx
pop ecx
push FFFFFF91h
xchg eax, edx
sbb eax, 1C02972Fh
xor ch, 00000039h
ret
in al, 80h
push edx
sub bl, byte ptr [edx]
jo 00007FA5CCD6E410h
sahf
jnc 00007FA5CCD6E4F0h
pop esi
pop edx
mov dx, 8A26h
jp 00007FA5CCD6E4EFh
je 00007FA5CCD6E47Fh
test al, 32h
jo 00007FA5CCD6E499h
fadd dword ptr [ecx]
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [eax], al
add byte ptr [ebp-6Eh], dh
dec ebp
imul eax, dword ptr [eax+esi-7A1079F0h], FEh
xchg dword ptr [eax], edx
jp 00007FA5CCD6E41Ah
pop ss
mov ebp, AB287B2Ch
and byte ptr [ebp+0B6942C2h], ch
imul ebp, ecx, A5h
xchg eax, edi
test eax, 26C8128Eh
ror dword ptr [ecx+50h], FFFFFFFFh
jnl 00007FA5CCD6E44Fh
int AEh
adc eax, CC29CED7h
cmp al, EFh
cmp ebx, dword ptr [edi]
test byte ptr [ecx], dh
pop ds
cmp eax, dword ptr [edi]
out 29h, al
jmp 00007FA5CCD6E49Fh
sub dl, byte ptr [edx]
pop edx
mov cl, 67h
mov al, D8h
call 00007FA5F4506CEBh
push esp
movsd
cmp ecx, dword ptr [edx]
imul esp, dword ptr [ecx], B1h
sbb byte ptr [esi], cl
inc esp
mov edx, 8A476014h
mov bl, 4Ch
fstenv [esi-08h]
rol byte ptr [edx-27h], 1
cwde
jnle 00007FA5CCD6E4CFh

Data Directories

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0xe1274	0x4f	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0xe2000	0x1b9580	.rsrc
IMAGE_DIRECTORY_ENTRY_EXCEPTION	0x0	0x0
IMAGE_DIRECTORY_ENTRY_SECURITY	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BASERELOC	0x29c000	0xc	.reloc
IMAGE_DIRECTORY_ENTRY_DEBUG	0xe11e4	0x38	.text
IMAGE_DIRECTORY_ENTRY_COPYRIGHT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_GLOBALPTR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_TLS	0x0	0x0
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IAT	0x2000	0x8	.text
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR	0x2008	0x48	.text
IMAGE_DIRECTORY_ENTRY_RESERVED	0x0	0x0

Sections

Name	Virtual Address	Virtual Size	Raw Size	MD5	Xored PE	ZLIB Complexity	File Type	Entropy	Characteristics
.text	0x2000	0xdfda0	0xdfe00	71bd3fe2b8e9bb1e5f9414230bb16da0	False	0.4152936993997767	data	6.14330679205434	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
.rsrc	0xe2000	0x1b9580	0x1b9600	43fe835c4ee31c02b3c7743134cb39a0	False	0.037760416666666664	data	0.8942007763359577	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
.reloc	0x29c000	0xc	0x200	a95e3921bcac1a17465009fdae8ed52e	False	0.044921875	data	0.10191042566270775	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ

Resources

Name	RVA	Size	Type	ZLIB Complexity
RT_BITMAP	0xe2358	0x1a51a8	Device independent bitmap graphic, 880 x 490 x 32, image size 0, resolution 2835 x 2835 px/m	0.017606735229492188
RT_ICON	0x287500	0x8a4e	PNG image data, 256 x 256, 8-bit/color RGBA, non-interlaced	0.9951985539174151
RT_ICON	0x28ff50	0x4228	Device independent bitmap graphic, 64 x 128 x 32, image size 16384, resolution 2835 x 2835 px/m	0.19561880018894662
RT_ICON	0x294178	0x25a8	Device independent bitmap graphic, 48 x 96 x 32, image size 9216, resolution 2835 x 2835 px/m	0.24201244813278008
RT_ICON	0x296720	0x1a68	Device independent bitmap graphic, 40 x 80 x 32, image size 6400, resolution 2835 x 2835 px/m	0.2739644970414201
RT_ICON	0x298188	0x10a8	Device independent bitmap graphic, 32 x 64 x 32, image size 4096, resolution 2835 x 2835 px/m	0.31378986866791747
RT_ICON	0x299230	0x988	Device independent bitmap graphic, 24 x 48 x 32, image size 2304, resolution 2835 x 2835 px/m	0.4163934426229508
RT_ICON	0x299bb8	0x6b8	Device independent bitmap graphic, 20 x 40 x 32, image size 1600, resolution 2835 x 2835 px/m	0.45813953488372094
RT_ICON	0x29a270	0x468	Device independent bitmap graphic, 16 x 32 x 32, image size 1024, resolution 2835 x 2835 px/m	0.5398936170212766
RT_STRING	0x29a6d8	0x862	data	0.2777260018639329
RT_GROUP_ICON	0x29af3c	0x76	data	0.7542372881355932
RT_GROUP_ICON	0x29afb4	0x14	data	1.1
RT_VERSION	0x29afc8	0x418	data	0.40935114503816794
RT_MANIFEST	0x29b3e0	0x1a0	XML 1.0 document, ASCII text, with CRLF line terminators	0.6274038461538461

Imports

DLL	Import
mscoree.dll	_CorExeMain

Network Behavior

⊘No network behavior found

Statistics

CPU Usage

Click to jump to process

Memory Usage

Click to jump to process

High Level Behavior Distribution

Click to dive into process behavior distribution

Behavior

Click to jump to process

System Behavior

Analysis Process: 5XpKRbh2k7.exePID: 7096, Parent PID: 2580

General

Target ID:	0
Start time:	01:43:08
Start date:	29/10/2024
Path:	C:\Users\user\Desktop\5XpKRbh2k7.exe
Wow64 process (32bit):	false
Commandline:	"C:\Users\user\Desktop\5XpKRbh2k7.exe"
Imagebase:	0x1ee03460000
File size:	2'725'888 bytes
MD5 hash:	0B9820ECC88383016B7FF530A6777294
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	C, C++ or other language
Reputation:	low
Has exited:	true

Show Windows behavior

Chronological Activities

Analysis Process: WerFault.exePID: 5040, Parent PID: 7096

General

Target ID:	3
Start time:	01:43:09
Start date:	29/10/2024
Path:	C:\Windows\System32\WerFault.exe
Wow64 process (32bit):	false
Commandline:	C:\Windows\system32\WerFault.exe -u -p 7096 -s 760
Imagebase:	0x7ff7d35b0000
File size:	570'736 bytes
MD5 hash:	FD27D9F6D02763BDE32511B5DF7FF7A0
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	C, C++ or other language
Reputation:	high
Has exited:	true

Show Windows behavior

Chronological Activities

Disassembly

⊘No disassembly

Description:	Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries. These interfaces and languages provide ways of interacting with computer systems and are a common feature across many different platforms. Most systems come with some built-in command-line interface and scripting capabilities, for example, macOS and Linux distributions include some flavor of Unix Shell while Windows installations include the Windows Command Shell and PowerShell .
Tactics:	Execution
Data Sources:	Command: Command Execution, Module: Module Load, Process: Process Creation, Process: Process Metadata, Script: Script Execution
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Network, Office 365, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may execute their own malicious payloads by side-loading DLLs. Similar to DLL Search Order Hijacking , side-loading involves hijacking which DLL a program loads. But rather than just planting the DLL within the search order of a program then waiting for the victim application to be invoked, adversaries may directly side-load their payloads by planting then invoking a legitimate application that executes their payload(s).
Tactics:	Defense Evasion, Persistence, Privilege Escalation
Data Sources:	File: File Creation, File: File Modification, Module: Module Load, Process: Process Creation
Platforms:	Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a method of executing arbitrary code in the address space of a separate live process. Running code in the context of another process may allow access to the process's memory, system/network resources, and possibly elevated privileges. Execution via process injection may also evade detection from security products since the execution is masked under a legitimate process.
Tactics:	Defense Evasion, Privilege Escalation
Data Sources:	File: File Metadata, File: File Modification, Module: Module Load, Process: OS API Execution, Process: Process Access, Process: Process Metadata, Process: Process Modification
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ various means to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from [Virtualization/Sandbox Evasion](https://attack.mitre.org/techniques/T1497) during automated discovery to shape follow-on behaviors.
Tactics:	Defense Evasion, Discovery
Data Sources:	Command: Command Execution, Process: OS API Execution, Process: Process Creation
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may modify and/or disable security tools to avoid possible detection of their malware/tools and activities. This may take many forms, such as killing security software processes or services, modifying / deleting Registry keys or configuration files so that tools do not operate properly, or other methods to interfere with security tools scanning or reporting information. Adversaries may also disable updates to prevent the latest security patches from reaching tools on victim systems.
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, Driver: Driver Load, Process: Process Creation, Process: Process Termination, Sensor Health: Host Status, Service: Service Metadata, Windows Registry: Windows Registry Key Deletion, Windows Registry: Windows Registry Key Modification
Platforms:	Containers, IaaS, Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may perform software packing or virtual machine software protection to conceal their code. Software packing is a method of compressing or encrypting an executable. Packing an executable changes the file signature in an attempt to avoid signature-based detection. Most decompression techniques decompress the executable code in memory. Virtual machine software protection translates an executable's original code into a special format that only a special virtual machine can run. A virtual machine is then called to run this code.
Tactics:	Defense Evasion
Data Sources:	File: File Metadata
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may modify file time attributes to hide new or changes to existing files. Timestomping is a technique that modifies the timestamps of a file (the modify, access, create, and change times), often to mimic files that are in the same folder. This is done, for example, on files that have been modified or created by the adversary so that they do not appear conspicuous to forensic investigators or file analysis tools.
Tactics:	Defense Evasion
Data Sources:	File: File Metadata, File: File Modification
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Firewall: Firewall Enumeration, Firewall: Firewall Metadata, Process: OS API Execution, Process: Process Creation
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Process: OS API Execution, Process: Process Creation
Platforms:	IaaS, Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report 5XpKRbh2k7.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Yara Signatures

Initial Sample

Sigma Signatures

Suricata Signatures

Joe Sandbox Signatures

Compliance

Networking

System Summary

Data Obfuscation

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

Language, Device and Operating System Detection

Lowering of HIPS / PFW / Operating System Security Settings

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

URLs from Memory and Binaries

World Map of Contacted IPs

General Information

Warnings

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_5XpKRbh2k7.exe_7c951b3511dd73c28dc917ef5d2d801ea4772771_6d508433_2edd89ab-d19c-4cd5-9845-e9eb5b195e2d\Report.wer

C:\ProgramData\Microsoft\Windows\WER\Temp\WER2F60.tmp.dmp

C:\ProgramData\Microsoft\Windows\WER\Temp\WER301C.tmp.WERInternalMetadata.xml

C:\ProgramData\Microsoft\Windows\WER\Temp\WER304C.tmp.xml

C:\Windows\appcompat\Programs\Amcache.hve

Static File Info

General

File Icon

Static PE Info

General

Entrypoint Preview

Data Directories

Sections

Resources

Imports

Network Behavior

Statistics

CPU Usage

Memory Usage

High Level Behavior Distribution

back

Behavior

System Behavior

Analysis Process: 5XpKRbh2k7.exePID: 7096, Parent PID: 2580

General

Chronological Activities

Windows Analysis Report
5XpKRbh2k7.exe