General

  • Target

    NEAS.3be2739a6307e4b70030a2e59370e1e62eb05aa522d86786bb0fbc37a2d125b1exe_JC.exe

  • Size

    50KB

  • Sample

    231007-vp83dadh8y

  • MD5

    a381b49a69f84287060165a8ca1a4eb3

  • SHA1

    b8843983bf2bc389076add65b1eab6ad249447c0

  • SHA256

    3be2739a6307e4b70030a2e59370e1e62eb05aa522d86786bb0fbc37a2d125b1

  • SHA512

    0b32503807f76d986e476b22d03ae9e17e7f9ce8cc2bb9e6bb641572ae5935749cb92f4ab8a498f9942474e58be25d96033b65db16a2e6c0b2143948d7d8e493

  • SSDEEP

    384:K9VD6tee+qUOTd2opQTLAdz1SvNmhpdvOjT7PbA6HBiTSnjxZMdP05ldpRMaYIBI:k6Qe+qUv8zcqdvOXA6XkPslJvGaVW

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

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

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      NEAS.3be2739a6307e4b70030a2e59370e1e62eb05aa522d86786bb0fbc37a2d125b1exe_JC.exe

    • Size

      50KB

    • MD5

      a381b49a69f84287060165a8ca1a4eb3

    • SHA1

      b8843983bf2bc389076add65b1eab6ad249447c0

    • SHA256

      3be2739a6307e4b70030a2e59370e1e62eb05aa522d86786bb0fbc37a2d125b1

    • SHA512

      0b32503807f76d986e476b22d03ae9e17e7f9ce8cc2bb9e6bb641572ae5935749cb92f4ab8a498f9942474e58be25d96033b65db16a2e6c0b2143948d7d8e493

    • SSDEEP

      384:K9VD6tee+qUOTd2opQTLAdz1SvNmhpdvOjT7PbA6HBiTSnjxZMdP05ldpRMaYIBI:k6Qe+qUv8zcqdvOXA6XkPslJvGaVW

    • 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.

    • Deletes itself

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks