General

  • Target
    b137fff4b205d540cccf36b16d3c5604
  • Size 4.7MB
  • Sample240304-e2xl4sae97
  • SHA256 f0eef776c31bc4af21280f8b2e7f82dda4682fe97214347479b6500848324e87
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nullmixer

C2
  • http://hsiens.xyz/

Extracted

Family
  • privateloader

C2
  • http://37.0.10.214/proxies.txt

  • http://37.0.10.244/server.txt

  • http://wfsdragon.ru/api/setStats.php

  • 37.0.10.237

Extracted

Family
  • redline

Botnet
  • pub1

C2
  • viacetequn.site:80

Extracted

Family
  • vidar

Version
  • 40.1

Botnet
  • 706

C2
  • https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • smokeloader

Botnet
  • pub5

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://aucmoney.com/upload/

  • http://thegymmum.com/upload/

  • http://atvcampingtrips.com/upload/

  • http://kuapakualaman.com/upload/

  • http://renatazarazua.com/upload/

  • http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Targets

    • Target
      b137fff4b205d540cccf36b16d3c5604
    • Size 4.7MB
    • SHA256 f0eef776c31bc4af21280f8b2e7f82dda4682fe97214347479b6500848324e87
    • MD5 SHA1 SHA512 SSDEEP
    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks