General

  • Target

    file.exe

  • Size

    978KB

  • Sample

    231016-h3sw4acd7s

  • MD5

    d90b1eb3514906ef3a767d35ad7ace35

  • SHA1

    c2deb5a228cffb5a5bd3c87ef3be21247ae05c6d

  • SHA256

    e57a5f790ce383ddea5a466a6a260a5495cec143a3797463de24b14c3021db3f

  • SHA512

    4ca01cf54adc3bc9649d05945f6cf7ca0b3a876f05e13c9f3fbd4f462f32a7470b1d4ec194d2dc115190af10aed67dafaa3160829b03e6359c61f30d4002f3f0

  • SSDEEP

    24576:pybOEU8eIEgEwTIc7BYQK+OESf7O7M5l3MNSt:cx1lDFTdByxESfK7M5JT

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

redline

Botnet

pixelscloud2.0

C2

85.209.176.128:80

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Targets

    • Target

      file.exe

    • Size

      978KB

    • MD5

      d90b1eb3514906ef3a767d35ad7ace35

    • SHA1

      c2deb5a228cffb5a5bd3c87ef3be21247ae05c6d

    • SHA256

      e57a5f790ce383ddea5a466a6a260a5495cec143a3797463de24b14c3021db3f

    • SHA512

      4ca01cf54adc3bc9649d05945f6cf7ca0b3a876f05e13c9f3fbd4f462f32a7470b1d4ec194d2dc115190af10aed67dafaa3160829b03e6359c61f30d4002f3f0

    • SSDEEP

      24576:pybOEU8eIEgEwTIc7BYQK+OESf7O7M5l3MNSt:cx1lDFTdByxESfK7M5JT

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

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

    • 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

    • Modifies Windows Firewall

    • .NET Reactor proctector

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

    • 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.

    • 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