General

  • Target

    file

  • Size

    1.8MB

  • Sample

    231005-k652yaaa4x

  • MD5

    32c1d6cecd02d15e7655481e1a7947ca

  • SHA1

    547deeec403123ba9466cdb0fdeaf18c26128a6d

  • SHA256

    0a1b811214acd6f5d74cf8439427a23f9a90018a83d8d54e2c5527d2ce0e0292

  • SHA512

    99b76f4b9885fa4ea6d80deb6c563e6c8ba34c014ba8cc5224e65c568acf9f2aa2aac29bc66267cd0e3aed2b45c8ce2d97272f1ec3c827b437a3ecd45fc8648e

  • SSDEEP

    49152:fZLGNrpEQX+Ln5bomlIt19OC0FM7o5jI+o6:BCNriQXQbomlEOC0F95jI

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

gigant

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      file

    • Size

      1.8MB

    • MD5

      32c1d6cecd02d15e7655481e1a7947ca

    • SHA1

      547deeec403123ba9466cdb0fdeaf18c26128a6d

    • SHA256

      0a1b811214acd6f5d74cf8439427a23f9a90018a83d8d54e2c5527d2ce0e0292

    • SHA512

      99b76f4b9885fa4ea6d80deb6c563e6c8ba34c014ba8cc5224e65c568acf9f2aa2aac29bc66267cd0e3aed2b45c8ce2d97272f1ec3c827b437a3ecd45fc8648e

    • SSDEEP

      49152:fZLGNrpEQX+Ln5bomlIt19OC0FM7o5jI+o6:BCNriQXQbomlEOC0F95jI

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • 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.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks