General

  • Target

    file.exe

  • Size

    1.1MB

  • Sample

    231009-tmceysec7v

  • MD5

    a6a7287a88dda3770d9bc930093c0625

  • SHA1

    350d9336d69bd856712e43092f336635feb40bc6

  • SHA256

    e92ca59c73131043838fea3efc57d4c3861d73dc2bb2ecea85ab2217073de986

  • SHA512

    6562efd62d79a36b52589afe64c1425f838633402f601fff7c92ff1ea5ccbd16d344a5cc7f5d05ce94b028649d85c61c91e04153a3adcebbc63231b88e7cebbf

  • SSDEEP

    24576:iy8W5RMzjNFetQZRj/VADbQfb/440RN0XdP54r9m+vNIqxdMvsfA:Jn5a0tQHVADb+A40RuXdPSr9m+t0vs

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

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

Targets

    • Target

      file.exe

    • Size

      1.1MB

    • MD5

      a6a7287a88dda3770d9bc930093c0625

    • SHA1

      350d9336d69bd856712e43092f336635feb40bc6

    • SHA256

      e92ca59c73131043838fea3efc57d4c3861d73dc2bb2ecea85ab2217073de986

    • SHA512

      6562efd62d79a36b52589afe64c1425f838633402f601fff7c92ff1ea5ccbd16d344a5cc7f5d05ce94b028649d85c61c91e04153a3adcebbc63231b88e7cebbf

    • SSDEEP

      24576:iy8W5RMzjNFetQZRj/VADbQfb/440RN0XdP54r9m+vNIqxdMvsfA:Jn5a0tQHVADb+A40RuXdPSr9m+t0vs

    • 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