Resubmissions

11/09/2026, 10:21

260911-mdxafavshs10

11/09/2026, 10:20

260911-mdjdksvsgx3

30/06/2026, 11:52

260630-n13w6set2q10

30/06/2026, 11:28

260630-nlgemadx8w10

29/06/2026, 18:47

260629-xfpy9ad16r10

29/06/2026, 18:22

260629-wzwqgadv7j10

28/06/2026, 07:51

260628-jp3d2sgs6r10

27/06/2026, 21:59

260627-1wjnysdz8j10

26/06/2026, 23:21

260626-3cbkcaf13m10

24/06/2026, 14:44

260624-r34s2ac15k10

General

  • Target
    4363463463464363463463463.exe
  • Size 10KB
  • Sample260626-3cbkcaf13m
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • 45.200.148.216:7001

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7599165338:AAEewD8UlsW6A5a5m2CBqKPN0NOcI0CI6MY/sendMessage?chat_id=6724848271

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • DDNS

C2
  • 193.161.193.99:32471

Mutex
  • 807f3187-d087-4fff-beff-e73293a32af8

Attributes
  • encryption_key

    81A0C14D4C705B3C678E573C849DE7F6A3671A8B

  • install_name

    jusched.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    CachedLogs

  • reconnect_delay

    3000

  • startup_key

    Java Update Scheduler

  • subdirectory

    Java

Targets

    • Target
      4363463463464363463463463.exe
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Detects SharpHound hacktool

    • Detects SiriusRAT

    • Family: NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: SharpHound

      SharpHound is an open-source tool that collects Active Directory data for BloodHound analysis.

    • Family: SiriusRAT

      SiriusRAT is a Windows RAT written in C++ with HVNC, offline keylogging, and remote desktop capabilities.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Quasar payload

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Stops running service(s)

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks