General

  • Target

    d33d17445df87212813fd8d4d849c66c90ac946e2d3deb9ade08d92c95d40a93.zip

  • Size

    835KB

  • Sample

    240402-l7kytseg57

  • MD5

    a77ddc1e7e10208d0ea64676d34b6723

  • SHA1

    56c085bc3e637aa3e48bb96a037ebfabaad89c8a

  • SHA256

    4f664c42adf81ba9b3ad736a26f7a72c45d641a4164aabc6062e33f3ba2e62e2

  • SHA512

    7fbbc0780288339d7639714e6a5636277a8f08fb40a4a3a704801044fa38ec632ed908a41d960be78b8191f245447e7ebdb5dbfdfbda1eaa8685fd4075270419

  • SSDEEP

    24576:82HP6e8EnXBsYIWcmHQEO29T/IHeDSPc+HWOS0C:XCeFKY33BUOhBOSF

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Targets

    • Target

      d33d17445df87212813fd8d4d849c66c90ac946e2d3deb9ade08d92c95d40a93.exe

    • Size

      878KB

    • MD5

      042e9ff3eb2884903c304965a6c3fd2e

    • SHA1

      d488b60fb1d1f0ada321fbe25554b3d79d95327c

    • SHA256

      d33d17445df87212813fd8d4d849c66c90ac946e2d3deb9ade08d92c95d40a93

    • SHA512

      e804377f2e5495ec1a4be6d257ebaa67ec269fc13c6436824b36c8ab31e236633c86b699ae8574d96b715d6ee7bd8bafb319387ce527b3546f857351886d4153

    • SSDEEP

      24576:byWSFeOSZ0QV/2J4UcTjJjAysYTz5dvqZym2FVKKJ1Ka+:OWCC0QVOaj/Jj1VX5dw2TfB

    • Detect Mystic stealer 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks