General

  • Target

    fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe

  • Size

    1.4MB

  • Sample

    230923-yayjwabh49

  • MD5

    5a3b9e26d0562313dc6c967d9f44c60d

  • SHA1

    4b8705775cd2dc3615ff0ffce5b067f4c7360f6d

  • SHA256

    fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc

  • SHA512

    5bd72da9082f397a6d59dd25101dcf9980e217961c12249ff1b495d33eb2577fd713985f7487ecf23cb57675f53a9dbeb0aef1cc4f32489e0b895d33d2d61aa3

  • SSDEEP

    24576:tylrrfrV3Rq5RLRgr97S381J0zMDtrAz2gAdr8wcwZ0ixYXW5CO3sFySK/0BfNM:I1rfrV3RSxRAfezMZEzt+Q9wZj4QCwI2

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

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

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

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Targets

    • Target

      fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe

    • Size

      1.4MB

    • MD5

      5a3b9e26d0562313dc6c967d9f44c60d

    • SHA1

      4b8705775cd2dc3615ff0ffce5b067f4c7360f6d

    • SHA256

      fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc

    • SHA512

      5bd72da9082f397a6d59dd25101dcf9980e217961c12249ff1b495d33eb2577fd713985f7487ecf23cb57675f53a9dbeb0aef1cc4f32489e0b895d33d2d61aa3

    • SSDEEP

      24576:tylrrfrV3Rq5RLRgr97S381J0zMDtrAz2gAdr8wcwZ0ixYXW5CO3sFySK/0BfNM:I1rfrV3RSxRAfezMZEzt+Q9wZj4QCwI2

    • 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

    • 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.

    • Windows security bypass

    • xmrig

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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