General

  • Target

    file

  • Size

    1.1MB

  • Sample

    231011-ea1jpaab3w

  • MD5

    a82226aa52c0be50b8485764558466c7

  • SHA1

    6f63ef7d0db073e6882129bafd39be00564f2ee6

  • SHA256

    2e3a55006d972b0b509781a017d1749c5b32c436d96e1943478a79e444645067

  • SHA512

    aaf5df7fefea3cf878fc013d89529f8477c165aafd617df6f5e68c2156f6dc7c3ce49479158a05765a05c9c4d2d26721559cde49b4b7b14b805a45383c5f9dbb

  • SSDEEP

    24576:VyaxS8wEIVWpO7tP9fRpS5xFKWz4a51pLlChmht4Gj/ri7o4VV:waAyIw07tPtaFPzFle0tX

Malware Config

Extracted

Family

redline

Botnet

breha

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

kukish

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

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

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Targets

    • Target

      file

    • Size

      1.1MB

    • MD5

      a82226aa52c0be50b8485764558466c7

    • SHA1

      6f63ef7d0db073e6882129bafd39be00564f2ee6

    • SHA256

      2e3a55006d972b0b509781a017d1749c5b32c436d96e1943478a79e444645067

    • SHA512

      aaf5df7fefea3cf878fc013d89529f8477c165aafd617df6f5e68c2156f6dc7c3ce49479158a05765a05c9c4d2d26721559cde49b4b7b14b805a45383c5f9dbb

    • SSDEEP

      24576:VyaxS8wEIVWpO7tP9fRpS5xFKWz4a51pLlChmht4Gj/ri7o4VV:waAyIw07tPtaFPzFle0tX

    • 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

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks