General

  • Target

    file.exe

  • Size

    978KB

  • Sample

    231015-ysnsdsaa9s

  • MD5

    75480631edd629ff1a30c16f5354a4c5

  • SHA1

    10889588e9056e376690e79fd4cf7c42b94651c1

  • SHA256

    0b9df74c24249905637f0b3390d658a52dd45170dc2a9372ab624d1699381b0b

  • SHA512

    10a16895cb6ca44ed8291865eaa18516a643c438a19d73c4a1eb5f410338c9d323c05d133df33b0ed3a7fe7e2450ff1c332df9ef8d25260a63d9865867d9616d

  • SSDEEP

    24576:DyV2A4hBsDIeBaBqfpjobZqXe3kQnR1hONxWS:WV2A4hBsDIgaBWjYse3kQ/hkA

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

Targets

    • Target

      file.exe

    • Size

      978KB

    • MD5

      75480631edd629ff1a30c16f5354a4c5

    • SHA1

      10889588e9056e376690e79fd4cf7c42b94651c1

    • SHA256

      0b9df74c24249905637f0b3390d658a52dd45170dc2a9372ab624d1699381b0b

    • SHA512

      10a16895cb6ca44ed8291865eaa18516a643c438a19d73c4a1eb5f410338c9d323c05d133df33b0ed3a7fe7e2450ff1c332df9ef8d25260a63d9865867d9616d

    • SSDEEP

      24576:DyV2A4hBsDIeBaBqfpjobZqXe3kQnR1hONxWS:WV2A4hBsDIgaBWjYse3kQ/hkA

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • .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

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks