Analysis

  • max time kernel
    1020s
  • max time network
    428s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2025, 17:09

General

  • Target

    Bet.exe

  • Size

    77KB

  • MD5

    0cc82efcede7f5764067f896b7a5049b

  • SHA1

    3d0a7c61b27d6ffb96973dc81385d903ffe50905

  • SHA256

    b0d124709d9eb4cf5097343e50eb1ca9785ce7fac3d4403907a3c626cbdd34b5

  • SHA512

    032fd3c747c6447216fe80978573238a04622d801bc7ca66b81f48ef51e1fd554e14935da7d446ff68f981e39227002a8d091f87e96edd3301844207b066f88c

  • SSDEEP

    1536:WqrR3YsyK3dnQfHYmsGHmHiLQHbghg5adYD6elEP2XRKOIxpEg:Wq1YsygpKHYqHmaQHbgaYdCufOI7Eg

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    Sihost.exe

  • pastebin_url

    https://pastebin.com/raw/hA5YVNf1

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

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

  • 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bet.exe
    "C:\Users\Admin\AppData\Local\Temp\Bet.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2756
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2756-0-0x00007FFD4EA33000-0x00007FFD4EA35000-memory.dmp

    Filesize

    8KB

  • memory/2756-1-0x00000000001C0000-0x00000000001DA000-memory.dmp

    Filesize

    104KB

  • memory/2756-2-0x00007FFD4EA30000-0x00007FFD4F4F1000-memory.dmp

    Filesize

    10.8MB

  • memory/2756-3-0x00007FFD4EA30000-0x00007FFD4F4F1000-memory.dmp

    Filesize

    10.8MB

  • memory/4908-4-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-5-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-6-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-10-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-16-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-15-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-14-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-13-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-11-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB

  • memory/4908-12-0x0000021BB3AD0000-0x0000021BB3AD1000-memory.dmp

    Filesize

    4KB