General

  • Target

    77bfb576c5286cb36bb4d0a87117dfcf02358fa7ab2222910c996991c332c615

  • Size

    1.2MB

  • Sample

    231114-h6pnvahe79

  • MD5

    81fac8a3ef6203246a03e169acfb3439

  • SHA1

    43aef85f8df3ef2844341dccf9ae43348ba7fd48

  • SHA256

    77bfb576c5286cb36bb4d0a87117dfcf02358fa7ab2222910c996991c332c615

  • SHA512

    b8ad83ca26943baed506fbf3076ba7ec6a83451258e304bc6c66176d3c8f120827d55ec3e89e90de63de73582bf5db8e5fd7932c112183a3842402b0926c68b1

  • SSDEEP

    24576:3yAiLj5FacNkEtdkEx7q2REeT20dap7SKdIR09WIHFf9yCq4eVTQ:CXLj5FviEttJC0dU1HlkCq4ST

Malware Config

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

pixelfresh

C2

194.49.94.11:80

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

Targets

    • Target

      77bfb576c5286cb36bb4d0a87117dfcf02358fa7ab2222910c996991c332c615

    • Size

      1.2MB

    • MD5

      81fac8a3ef6203246a03e169acfb3439

    • SHA1

      43aef85f8df3ef2844341dccf9ae43348ba7fd48

    • SHA256

      77bfb576c5286cb36bb4d0a87117dfcf02358fa7ab2222910c996991c332c615

    • SHA512

      b8ad83ca26943baed506fbf3076ba7ec6a83451258e304bc6c66176d3c8f120827d55ec3e89e90de63de73582bf5db8e5fd7932c112183a3842402b0926c68b1

    • SSDEEP

      24576:3yAiLj5FacNkEtdkEx7q2REeT20dap7SKdIR09WIHFf9yCq4eVTQ:CXLj5FviEttJC0dU1HlkCq4ST

    • Detect Mystic stealer payload

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Windows security bypass

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • 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