General

  • Target

    file_JC.exe

  • Size

    1.9MB

  • Sample

    231005-x6vmesgg74

  • MD5

    9599f0e80c2b0ba498a3830f6f1456ab

  • SHA1

    ed951eecb5a66374ebf090ad8a2d2ed1d691a850

  • SHA256

    5f36d9ff2ea14bf2aa8665ac0b666323ec2f8beac8f512e989930431a2580de6

  • SHA512

    5485db86afd9a035c9a673b90dd01868d153844897bad59b66fbd19516561611a83d901d1902a74ebd94bc4dc67cb779be95924645e9d4299c44b77ce9e24829

  • SSDEEP

    49152:cIsI7H2DpwaFqJbvFubnKMdl43FbcQMIN6:3d2twacJL4tlIcgN

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

redline

Botnet

gigant

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

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      file_JC.exe

    • Size

      1.9MB

    • MD5

      9599f0e80c2b0ba498a3830f6f1456ab

    • SHA1

      ed951eecb5a66374ebf090ad8a2d2ed1d691a850

    • SHA256

      5f36d9ff2ea14bf2aa8665ac0b666323ec2f8beac8f512e989930431a2580de6

    • SHA512

      5485db86afd9a035c9a673b90dd01868d153844897bad59b66fbd19516561611a83d901d1902a74ebd94bc4dc67cb779be95924645e9d4299c44b77ce9e24829

    • SSDEEP

      49152:cIsI7H2DpwaFqJbvFubnKMdl43FbcQMIN6:3d2twacJL4tlIcgN

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks