General

  • Target
    file.exe
  • Size 1.1MB
  • Sample230920-1txg2ach65
  • SHA256 ef838597447eff451405481eeefd6cff4d9d8f0b2a069e336253482b522ea83b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family
  • smokeloader

Botnet
  • up3

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family
  • fabookie

C2
  • http://app.nnnaajjjgc.com/check/safe

Extracted

Family
  • redline

Botnet
  • trush

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Targets

    • Target
      file.exe
    • Size 1.1MB
    • SHA256 ef838597447eff451405481eeefd6cff4d9d8f0b2a069e336253482b522ea83b
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Fabookie payload

    • Detected google phishing page

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • xmrig

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

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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.

    • Uses the VBS compiler for execution

    • Windows security modification

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks