Analysis

  • max time kernel
    92s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-11-2024 04:13

General

  • Target

    rekz.exe

  • Size

    51KB

  • MD5

    99116e57feb2818d7e64e9f4a51ec601

  • SHA1

    a10d8277588982816ec9d41e0dfe66962b80adcf

  • SHA256

    759bde9c2ba4b4b5b71711e53a977af68f42c8e45944eaa72b34749d37f96f8f

  • SHA512

    f65cf487b6d9ef1e2ca4a321ec434610592f148a65b77ae3ac23e023244862db353c7b5b5dbdbf0e5ca6faebb437aa455ce9081e8546fcc3728a012e668824db

  • SSDEEP

    1536:Y4DweQldSgDIgXvvgcFI9Af6vOwW9zdS1EAd8II8:Y4DweeSgDXvvgcFI9A2OwagEA6II8

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7000

147.185.221.23:49592:7000

Mutex

AaKOzkq2FwZmFPLZ

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\rekz.exe
    "C:\Users\Admin\AppData\Local\Temp\rekz.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1372

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1372-0-0x00007FF985EB3000-0x00007FF985EB5000-memory.dmp

    Filesize

    8KB

  • memory/1372-1-0x0000000000530000-0x0000000000542000-memory.dmp

    Filesize

    72KB

  • memory/1372-2-0x00007FF985EB0000-0x00007FF986972000-memory.dmp

    Filesize

    10.8MB

  • memory/1372-3-0x00007FF985EB0000-0x00007FF986972000-memory.dmp

    Filesize

    10.8MB