Windows Analysis Report
RanSomWarek.exe

Overview

General Information

Sample name: RanSomWarek.exe
Analysis ID: 1502151
MD5: fb5dab5f2f251b022952afb562d8a7c1
SHA1: b0a83cd10acddf68b95bae578809df662713c1fe
SHA256: 175f89c8cce9ddf703f4faf4c4c2500a85c21041cbb383e95e2ea13d6bf28a7a
Tags: exe
Infos:

Detection

Score: 68
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
.NET source code contains potential unpacker
AI detected suspicious sample
Machine Learning detection for sample
Allocates memory with a write watch (potentially for evading sandboxes)
Contains long sleeps (>= 3 min)
Detected potential crypto function
Found inlined nop instructions (likely shell or obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: RanSomWarek.exe Avira: detected
Multi AV Scanner detection for submitted file
Source: RanSomWarek.exe ReversingLabs: Detection: 60%
Source: RanSomWarek.exe Virustotal: Detection: 59% Perma Link
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 99.9% probability
Machine Learning detection for sample
Source: RanSomWarek.exe Joe Sandbox ML: detected
Source: RanSomWarek.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Found inlined nop instructions (likely shell or obfuscated code)
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 4x nop then mov ecx, dword ptr [ebp-38h] 0_2_07484B10
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 4x nop then mov ecx, dword ptr [ebp-38h] 0_2_07484B08
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 4x nop then mov dword ptr [ebp-20h], 7FFFFFFFh 0_2_07484C15
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 4x nop then mov dword ptr [ebp-20h], 7FFFFFFFh 0_2_07484C20
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: 171.39.242.20.in-addr.arpa replaycode: Name error (3)
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic DNS traffic detected: DNS query: 171.39.242.20.in-addr.arpa
Detected potential crypto function
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 0_2_016B94B8 0_2_016B94B8
Source: C:\Users\user\Desktop\RanSomWarek.exe Code function: 0_2_07481A18 0_2_07481A18
Sample file is different than original file name gathered from version info
Source: RanSomWarek.exe, 00000000.00000002.2047829606.000000000117E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: OriginalFilenameclr.dllT vs RanSomWarek.exe
Source: RanSomWarek.exe, 00000000.00000000.1996362797.0000000000D5E000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenameRanSomWare.exe6 vs RanSomWarek.exe
Source: RanSomWarek.exe Binary or memory string: OriginalFilenameRanSomWare.exe6 vs RanSomWarek.exe
Source: classification engine Classification label: mal68.evad.winEXE@1/1@1/0
Source: C:\Users\user\Desktop\RanSomWarek.exe File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RanSomWarek.exe.log Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Mutant created: NULL
Source: RanSomWarek.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: RanSomWarek.exe Static file information: TRID: Win32 Executable (generic) Net Framework (10011505/4) 49.83%
Source: C:\Users\user\Desktop\RanSomWarek.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: RanSomWarek.exe ReversingLabs: Detection: 60%
Source: RanSomWarek.exe Virustotal: Detection: 59%
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: gpapi.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: windowscodecs.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: dwrite.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: textinputframework.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: coreuicomponents.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: coremessaging.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: ntmarta.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Section loaded: textshaping.dll Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0EE7644B-1BAD-48B1-9889-0281C206EB85}\InprocServer32 Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Users\user\Desktop\RanSomWarek.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: RanSomWarek.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: RanSomWarek.exe Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation
barindex
.NET source code contains potential unpacker
Source: RanSomWarek.exe, -.cs .Net Code: _0001 System.Reflection.Assembly.Load(byte[])
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\RanSomWarek.exe Memory allocated: 16B0000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Memory allocated: 3000000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Memory allocated: 5000000 memory reserve | memory write watch Jump to behavior
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\RanSomWarek.exe Thread delayed: delay time: 922337203685477 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\RanSomWarek.exe TID: 6564 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.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\RanSomWarek.exe Queries volume information: C:\Users\user\Desktop\RanSomWarek.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Queries volume information: C:\Windows\Fonts\micross.ttf VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\RanSomWarek.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
windows-stand
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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 dnsIp2 2 Behavior Graph ID: 1502151 Sample: RanSomWarek.exe Startdate: 31/08/2024 Architecture: WINDOWS Score: 68 11 171.39.242.20.in-addr.arpa 2->11 13 Antivirus / Scanner detection for submitted sample 2->13 15 Multi AV Scanner detection for submitted file 2->15 17 .NET source code contains potential unpacker 2->17 19 2 other signatures 2->19 6 RanSomWarek.exe 3 2->6         started        signatures3 process4 file5 9 C:\Users\user\AppData\...\RanSomWarek.exe.log, ASCII 6->9 dropped
⊘No contacted IP infos

Contacted Domains

Name IP Active
171.39.242.20.in-addr.arpa unknown unknown