Analysis

  • max time kernel
    92s
  • max time network
    204s
  • 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, 03:48

General

  • Target

    Checkers Service Tool.exe

  • Size

    43KB

  • MD5

    595f112c449ff90a64c548e1844d9355

  • SHA1

    67eaccfa243259973aa03f06a54207bd7b35454a

  • SHA256

    c8b1cf8d89bf903a03596cd1a1489288b84a9c97c7cb186c4071b3eff1977fe9

  • SHA512

    5d7c903c39b0837de538e8902e43012b99c17b9fd96a46e9c1a65e8e0a1f2be71dfe48e69a4f2cd663be4e1a3933a8ba31595a69a9458cea7f6943d28bf864fc

  • SSDEEP

    768:I2fIy/d/FqPMFztaXChQ5ALY1icSg+F+79OwGF6BO+h5bVLIE:Jwy/I6zEysBi9Fk93GF6BO+vVd

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:8848

Mutex

CSjOQg4bXKD0FKHd

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Checkers Service Tool.exe
    "C:\Users\Admin\AppData\Local\Temp\Checkers Service Tool.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3920

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3920-0-0x00007FFD3E023000-0x00007FFD3E025000-memory.dmp

    Filesize

    8KB

  • memory/3920-1-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/3920-2-0x00007FFD3E020000-0x00007FFD3EAE1000-memory.dmp

    Filesize

    10.8MB

  • memory/3920-3-0x000000001B6D0000-0x000000001B7D2000-memory.dmp

    Filesize

    1.0MB

  • memory/3920-4-0x00007FFD3E020000-0x00007FFD3EAE1000-memory.dmp

    Filesize

    10.8MB