Windows Analysis Report
q8C81ARGsr.exe

Overview

General Information

Sample name: q8C81ARGsr.exe
(renamed file extension from exe_e5bb2eb8811d1e3c414055ecf98e83377043d39066d7b77bfb7d654c83c04069 to exe, renamed because original name is a hash value)
Original sample name: miisclient.exe_e5bb2eb8811d1e3c414055ecf98e83377043d39066d7b77bfb7d654c83c04069
Analysis ID: 1579772
MD5: e5ac4faaa91455612f18e634d788ee76
SHA1: 7d8aa7af0e0e20ab9872493fec5eaea2da6cefb6
SHA256: e5bb2eb8811d1e3c414055ecf98e83377043d39066d7b77bfb7d654c83c04069
Infos:

Detection

Score: 24
Range: 0 - 100
Whitelisted: false
Confidence: 60%

Signatures

.NET source code contains potential unpacker
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
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info

Classification

Source: q8C81ARGsr.exe Static PE information: certificate valid
Source: q8C81ARGsr.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: mscorlib.pdb source: WER239D.tmp.dmp.4.dr
Source: Binary string: mscorlib.ni.pdb source: WER239D.tmp.dmp.4.dr
Source: Binary string: mscorlib.ni.pdbRSDS7^3l source: WER239D.tmp.dmp.4.dr
Source: Binary string: C:\__w\1\s\src\dev\sync\UI\MmsMainFrame\obj\amd64\miisclient.pdb source: q8C81ARGsr.exe
Source: Binary string: miisclient.pdb source: WER239D.tmp.dmp.4.dr
Source: Amcache.hve.4.dr String found in binary or memory: http://upx.sf.net
One or more processes crash
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process created: C:\Windows\System32\WerFault.exe C:\Windows\system32\WerFault.exe -u -p 1988 -s 768
PE file does not import any functions
Source: q8C81ARGsr.exe Static PE information: No import functions for PE file found
Sample file is different than original file name gathered from version info
Source: q8C81ARGsr.exe, 00000000.00000000.2025082509.000001C24D9C0000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenamemiisclient.exeZ vs q8C81ARGsr.exe
Source: q8C81ARGsr.exe Binary or memory string: OriginalFilenamemiisclient.exeZ vs q8C81ARGsr.exe
Source: classification engine Classification label: sus24.evad.winEXE@2/5@0/0
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Mutant created: NULL
Source: C:\Windows\System32\WerFault.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess1988
Source: C:\Windows\System32\WerFault.exe File created: C:\ProgramData\Microsoft\Windows\WER\Temp\9c43ee39-7885-4078-9e0e-72b42aa6d78c Jump to behavior
Source: q8C81ARGsr.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: q8C81ARGsr.exe Static file information: TRID: Win64 Executable GUI Net Framework (217006/5) 49.88%
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\q8C81ARGsr.exe "C:\Users\user\Desktop\q8C81ARGsr.exe"
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process created: C:\Windows\System32\WerFault.exe C:\Windows\system32\WerFault.exe -u -p 1988 -s 768
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe File opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dll Jump to behavior
Source: q8C81ARGsr.exe Static PE information: certificate valid
Source: initial sample Static PE information: Valid certificate with Microsoft Issuer
Source: q8C81ARGsr.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: q8C81ARGsr.exe Static PE information: Image base 0x140000000 > 0x60000000
Source: q8C81ARGsr.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: q8C81ARGsr.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: mscorlib.pdb source: WER239D.tmp.dmp.4.dr
Source: Binary string: mscorlib.ni.pdb source: WER239D.tmp.dmp.4.dr
Source: Binary string: mscorlib.ni.pdbRSDS7^3l source: WER239D.tmp.dmp.4.dr
Source: Binary string: C:\__w\1\s\src\dev\sync\UI\MmsMainFrame\obj\amd64\miisclient.pdb source: q8C81ARGsr.exe
Source: Binary string: miisclient.pdb source: WER239D.tmp.dmp.4.dr

Data Obfuscation
barindex
.NET source code contains potential unpacker
Source: q8C81ARGsr.exe, MmsMainFrame.cs .Net Code: CreateMenu
Binary contains a suspicious time stamp
Source: q8C81ARGsr.exe Static PE information: 0x81E8D070 [Mon Jan 24 21:49:36 2039 UTC]
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.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
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Memory allocated: 1C24DCF0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Memory allocated: 1C267730000 memory reserve | memory write watch Jump to behavior
Source: Amcache.hve.4.dr Binary or memory string: VMware
Source: Amcache.hve.4.dr Binary or memory string: VMware Virtual USB Mouse
Source: Amcache.hve.4.dr Binary or memory string: vmci.syshbin
Source: Amcache.hve.4.dr Binary or memory string: VMware, Inc.
Source: Amcache.hve.4.dr Binary or memory string: VMware20,1hbin@
Source: Amcache.hve.4.dr Binary or memory string: c:\windows\system32\driverstore\filerepository\vmci.inf_amd64_68ed49469341f563
Source: Amcache.hve.4.dr Binary or memory string: Ascsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.4.dr Binary or memory string: .Z$c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.4.dr Binary or memory string: :scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.4.dr Binary or memory string: pci\ven_15ad&dev_0740&subsys_074015ad,pci\ven_15ad&dev_0740,root\vmwvmcihostdev
Source: Amcache.hve.4.dr Binary or memory string: c:/windows/system32/drivers/vmci.sys
Source: Amcache.hve.4.dr Binary or memory string: scsi/cdrom&ven_necvmwar&prod_vmware_sata_cd00/4&224f42ef&0&000000
Source: Amcache.hve.4.dr Binary or memory string: vmci.sys
Source: Amcache.hve.4.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.4.dr Binary or memory string: vmci.syshbin`
Source: Amcache.hve.4.dr Binary or memory string: \driver\vmci,\driver\pci
Source: Amcache.hve.4.dr Binary or memory string: scsi/disk&ven_vmware&prod_virtual_disk/4&1656f219&0&000000
Source: Amcache.hve.4.dr Binary or memory string: VMware20,1
Source: Amcache.hve.4.dr Binary or memory string: Microsoft Hyper-V Generation Counter
Source: Amcache.hve.4.dr Binary or memory string: NECVMWar VMware SATA CD00
Source: Amcache.hve.4.dr Binary or memory string: VMware Virtual disk SCSI Disk Device
Source: Amcache.hve.4.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.4.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.4.dr Binary or memory string: Microsoft Hyper-V Virtualization Infrastructure Driver
Source: Amcache.hve.4.dr Binary or memory string: VMware PCI VMCI Bus Device
Source: Amcache.hve.4.dr Binary or memory string: VMware VMCI Bus Device
Source: Amcache.hve.4.dr Binary or memory string: VMware Virtual RAM
Source: Amcache.hve.4.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.4.dr Binary or memory string: vmci.inf_amd64_68ed49469341f563
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process queried: DebugPort Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Process queried: DebugPort Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Memory allocated: page read and write | page guard Jump to behavior
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Queries volume information: C:\Users\user\Desktop\q8C81ARGsr.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\q8C81ARGsr.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
AV process strings found (often used to terminate AV products)
Source: Amcache.hve.4.dr Binary or memory string: c:\programdata\microsoft\windows defender\platform\4.18.23080.2006-0\msmpeng.exe
Source: Amcache.hve.4.dr Binary or memory string: msmpeng.exe
Source: Amcache.hve.4.dr Binary or memory string: c:\program files\windows defender\msmpeng.exe
Source: Amcache.hve.4.dr Binary or memory string: MsMpEng.exe
windows-stand
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1579772 Sample: q8C81ARGsr.exe_e5bb2eb8811d... Startdate: 23/12/2024 Architecture: WINDOWS Score: 24 10 .NET source code contains potential unpacker 2->10 6 q8C81ARGsr.exe 2->6         started        process3 process4 8 WerFault.exe 19 16 6->8         started       
⊘No contacted IP infos