General

  • Target

    file.exe

  • Size

    878KB

  • Sample

    231015-anh5cacf3t

  • MD5

    613b3e208492b886e136cb19740049e1

  • SHA1

    f5538f97aafe5e0dc2aec97fe26040798833e800

  • SHA256

    77cef45652b1249c215fb5a58e1a250147cf1c5c313706c8b84aa48e48527c13

  • SHA512

    ffdd31fe70d85ac0eeba8aa32c6be74d0440861b83c177890f8b1e396add151b5ef86aa37663bb99e6e04995cc4d996d7eaccbab087f575c1c0db97da04a9791

  • SSDEEP

    24576:bwytfjeutIYP0lwT2Z0gLodrNV/BFirZ:bd9FP02TAfKDZIr

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

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

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Extracted

Family

redline

Botnet

kukish

C2

77.91.124.55:19071

Targets

    • Target

      file.exe

    • Size

      878KB

    • MD5

      613b3e208492b886e136cb19740049e1

    • SHA1

      f5538f97aafe5e0dc2aec97fe26040798833e800

    • SHA256

      77cef45652b1249c215fb5a58e1a250147cf1c5c313706c8b84aa48e48527c13

    • SHA512

      ffdd31fe70d85ac0eeba8aa32c6be74d0440861b83c177890f8b1e396add151b5ef86aa37663bb99e6e04995cc4d996d7eaccbab087f575c1c0db97da04a9791

    • SSDEEP

      24576:bwytfjeutIYP0lwT2Z0gLodrNV/BFirZ:bd9FP02TAfKDZIr

    • 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.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT 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.

    • 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.

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks