General

  • Target

    file.exe

  • Size

    1.1MB

  • Sample

    231008-qk3mksef66

  • MD5

    1e9d25a1c34c3c9e46f28190fa51aec0

  • SHA1

    b958609ac0e54e693b6fc16eb5f70a69fecb0434

  • SHA256

    d9b12d7bea8e74da64b5f0d7711cd7f1653a0f49896f9865422e57fe0e08762a

  • SHA512

    87e03155df9b5d7962d092c8a532fefa8f94db42d1b5a29247b8aaaae0b4cdda354b8bb72f5dcd2bd980e7d4821817a03dfeb477b481d3f6bc7cb0fc810f575d

  • SSDEEP

    24576:dyCNg6aM/iKTkEhoU5FqRngy9Jci2jBpb0zKX4m:4ZKTbFqRgeJcljXI

Malware Config

Extracted

Family

redline

Botnet

magia

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

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      file.exe

    • Size

      1.1MB

    • MD5

      1e9d25a1c34c3c9e46f28190fa51aec0

    • SHA1

      b958609ac0e54e693b6fc16eb5f70a69fecb0434

    • SHA256

      d9b12d7bea8e74da64b5f0d7711cd7f1653a0f49896f9865422e57fe0e08762a

    • SHA512

      87e03155df9b5d7962d092c8a532fefa8f94db42d1b5a29247b8aaaae0b4cdda354b8bb72f5dcd2bd980e7d4821817a03dfeb477b481d3f6bc7cb0fc810f575d

    • SSDEEP

      24576:dyCNg6aM/iKTkEhoU5FqRngy9Jci2jBpb0zKX4m:4ZKTbFqRgeJcljXI

    • DcRat

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

    • Detects Healer an antivirus disabler dropper

    • 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.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks