Analysis

  • max time kernel
    440s
  • max time network
    1164s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-11-2024 18:32

General

  • Target

    XClient.exe

  • Size

    71KB

  • MD5

    a55a1b56d5aea0dc9e78671e3ad781bb

  • SHA1

    a15fdcaa7f6ac3e1fb5f9461a74661c228950586

  • SHA256

    cfb2e4f77116ed1710302695d0e40228a069f62f1a4757c799f35519c89e679c

  • SHA512

    74aeead34e5e145622019f510085cb15c4cbdc6513d77858cc5a3cf4b6983d9c5389806a18643bf980e6028fa8d716559df0c401e6ce77471dd2d10e071f84a7

  • SSDEEP

    1536:H2Ept4SZNXi+qhcD+oQZfilDJQbe0LBrV6TEP6JEmO3S+MpDd5C:HNpt4SZBi9hcD+oQZa9JQbe0LGCmOi+1

Score
10/10

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:15863

Attributes
  • Install_directory

    %AppData%

  • install_file

    SystemUser.exe

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\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4864

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4864-0-0x00007FF93C013000-0x00007FF93C015000-memory.dmp

    Filesize

    8KB

  • memory/4864-1-0x00000000002C0000-0x00000000002D8000-memory.dmp

    Filesize

    96KB

  • memory/4864-2-0x00007FF93C010000-0x00007FF93CAD2000-memory.dmp

    Filesize

    10.8MB

  • memory/4864-3-0x00007FF93C010000-0x00007FF93CAD2000-memory.dmp

    Filesize

    10.8MB