General

  • Target

    c49f023dfeb93ace97b6827d576eb0e171851e33c8e97b31269e3f66958fc8d6_JC.exe

  • Size

    1.4MB

  • Sample

    230923-x14cdabg47

  • MD5

    9277e31ac0b678af7820b19dbc749e84

  • SHA1

    294a8fd3d1e347ea9246aa0ce3ebde243ef5dbb0

  • SHA256

    c49f023dfeb93ace97b6827d576eb0e171851e33c8e97b31269e3f66958fc8d6

  • SHA512

    3afc5c26a2164ae0a0cd6247e2b154f23f09a4e8f6ec8879a988cc509e6d3d4823507cf73e7607cb50bf50a51efed4f1bb9fa387858f3e62e9c45b3f1c1d05ac

  • SSDEEP

    24576:MydUVqj1xiJbVZaTelA7lLgiEK2kA0sKCuCVBctcNBiucEH94g:7kQItyelQ5EKzz0b5i1A

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

fabookie

C2

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

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Targets

    • Target

      c49f023dfeb93ace97b6827d576eb0e171851e33c8e97b31269e3f66958fc8d6_JC.exe

    • Size

      1.4MB

    • MD5

      9277e31ac0b678af7820b19dbc749e84

    • SHA1

      294a8fd3d1e347ea9246aa0ce3ebde243ef5dbb0

    • SHA256

      c49f023dfeb93ace97b6827d576eb0e171851e33c8e97b31269e3f66958fc8d6

    • SHA512

      3afc5c26a2164ae0a0cd6247e2b154f23f09a4e8f6ec8879a988cc509e6d3d4823507cf73e7607cb50bf50a51efed4f1bb9fa387858f3e62e9c45b3f1c1d05ac

    • SSDEEP

      24576:MydUVqj1xiJbVZaTelA7lLgiEK2kA0sKCuCVBctcNBiucEH94g:7kQItyelQ5EKzz0b5i1A

    • 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