Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 18:10

General

  • Target

    kolo.exe

  • Size

    71KB

  • MD5

    faea49dfe62bf95884101492dd55b84b

  • SHA1

    124366b77164067458075a639c29564417ad2daf

  • SHA256

    b1c6c20bfeae788fc314d6a7775962632160a0e64b6f4bde0ca51d63a110eb78

  • SHA512

    c1da84e78e87b960fccf1b9ca1a54c75a7767114cff440147a79ec4bb1d09c0e9e69e44f4468d59fed25ad83832a00b619f2699a44d799a800212cfc31bac77c

  • SSDEEP

    1536:5x8Mc+vPtdVKDMBMF5Bw8kbhzeJAC+7OtnN:5GMD3t/KsnzbNMAC4OtN

Score
10/10

Malware Config

Extracted

Family

xworm

C2

147.185.221.25:2131

Attributes
  • install_file

    USB.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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kolo.exe
    "C:\Users\Admin\AppData\Local\Temp\kolo.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3708

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3708-0-0x00007FFFE6FD3000-0x00007FFFE6FD5000-memory.dmp

    Filesize

    8KB

  • memory/3708-1-0x0000000000540000-0x0000000000558000-memory.dmp

    Filesize

    96KB

  • memory/3708-2-0x00007FFFE6FD0000-0x00007FFFE7A91000-memory.dmp

    Filesize

    10.8MB

  • memory/3708-3-0x00007FFFE6FD3000-0x00007FFFE6FD5000-memory.dmp

    Filesize

    8KB

  • memory/3708-4-0x00007FFFE6FD0000-0x00007FFFE7A91000-memory.dmp

    Filesize

    10.8MB