Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-06-2024 16:06

General

  • Target

    Onioncrack.exe

  • Size

    206KB

  • MD5

    166cd568396c15d96cc171fd9662c430

  • SHA1

    ae4c4d7f9d7d823fead036878bc832e84ce8cf8e

  • SHA256

    ef1eeafff3219798e7810a3653a680104d82e731d4e2cc9e10c2c0425a6afcd8

  • SHA512

    aba1aced15e826b970b463e551882c13d5c22f6d848c527e577d1724a48ef0a8cd46969e74a4ca7826ddac605f1a1383fa900db8309a847107f312d347c62905

  • SSDEEP

    3072:IBkaQl7LFc90cOMn8SKfbzxcwg7es6/Vsb8VKTup49oJMfF/H9N3Ky9NzLna:IYdc9LUhcX7elbKTuq9bfF/H9d9n

Malware Config

Extracted

Family

xworm

Version

5.0

C2

glass-coffee.gl.at.ply.gg:5417

Mutex

uvV9IoGdqsyWtzwq

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7244696222:AAHqbV7Klrbtt5G5MocnpyydNFGt1mksjWg/sendMessage?chat_id=5854542114

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Onioncrack.exe
    "C:\Users\Admin\AppData\Local\Temp\Onioncrack.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2260
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2260-0-0x00007FFF27DA3000-0x00007FFF27DA5000-memory.dmp

    Filesize

    8KB

  • memory/2260-1-0x0000000000BC0000-0x0000000000BF8000-memory.dmp

    Filesize

    224KB

  • memory/2260-2-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

    Filesize

    10.8MB

  • memory/2260-7-0x00007FFF27DA3000-0x00007FFF27DA5000-memory.dmp

    Filesize

    8KB

  • memory/2260-8-0x00007FFF27DA0000-0x00007FFF28861000-memory.dmp

    Filesize

    10.8MB

  • memory/2260-9-0x00000000013C0000-0x00000000013CC000-memory.dmp

    Filesize

    48KB

  • memory/4332-11-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-13-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-12-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-21-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-23-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-22-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-20-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-19-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-18-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB

  • memory/4332-17-0x0000021B32410000-0x0000021B32411000-memory.dmp

    Filesize

    4KB