General

  • Target

    NEAS.3986fafc1246177572db9e6200fbd1ee641e228f7b9dc972d95a195153e1ab80exe_JC.exe

  • Size

    1.1MB

  • Sample

    231009-sv9vradg5y

  • MD5

    f6b10a72c68e0af83fdaed9c14eae092

  • SHA1

    a1cb2d4017df5d7ae3fd710f80ebe805e7ce84b9

  • SHA256

    3986fafc1246177572db9e6200fbd1ee641e228f7b9dc972d95a195153e1ab80

  • SHA512

    b9c5fc501e0e0b6a3e6bc65d7f3f571e3d775a70943503f2110a9b17f768c0330e18706ebc612965b3b4f7a889aa85202383e8d7aedf6aafccd201ef962395c2

  • SSDEEP

    24576:UyeCaL5yxt2sVzK6JdB77kokffmPAJXHSrmPeUPd2U3W6rHXyHUSgiL9ga:jeTL5yx8kK6LB77kokffyAJXYmPpl2Ws

Malware Config

Extracted

Family

redline

Botnet

magia

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

lutyr

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

Targets

    • Target

      NEAS.3986fafc1246177572db9e6200fbd1ee641e228f7b9dc972d95a195153e1ab80exe_JC.exe

    • Size

      1.1MB

    • MD5

      f6b10a72c68e0af83fdaed9c14eae092

    • SHA1

      a1cb2d4017df5d7ae3fd710f80ebe805e7ce84b9

    • SHA256

      3986fafc1246177572db9e6200fbd1ee641e228f7b9dc972d95a195153e1ab80

    • SHA512

      b9c5fc501e0e0b6a3e6bc65d7f3f571e3d775a70943503f2110a9b17f768c0330e18706ebc612965b3b4f7a889aa85202383e8d7aedf6aafccd201ef962395c2

    • SSDEEP

      24576:UyeCaL5yxt2sVzK6JdB77kokffmPAJXHSrmPeUPd2U3W6rHXyHUSgiL9ga:jeTL5yx8kK6LB77kokffyAJXYmPpl2Ws

    • 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.

    • Detects Healer an antivirus disabler dropper

    • 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.

    • Downloads MZ/PE file

    • 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.

    • 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