General

  • Target

    file.exe

  • Size

    1.3MB

  • Sample

    230921-gj57msdf4t

  • MD5

    ed6a62caf00e1df7a60cbbc2c10054a8

  • SHA1

    bd21972d551f7e9b3c666592aa40ea2c2d0cdf1d

  • SHA256

    58c2aea5cea893381bec02259c23bd89ba35538d54984a2de40fa19030c7d79f

  • SHA512

    cd0e89e4ca77ee6a4b03e458177192b34361b3e0a03421729885afc071c8309bb35d504fea40afbe8b5c5eb77af856aa45e26bc7df2b28b835d37f6d4bf92f6f

  • SSDEEP

    24576:5yLqt+Zn9yar6MBTvh+0SF8gVkQGvx2UVe7uU/9GjrV1hkCjLur/wCmqpRS:s2klrLBTvh+0SugzG46U/cV1hk8utlR

Malware Config

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Targets

    • Target

      file.exe

    • Size

      1.3MB

    • MD5

      ed6a62caf00e1df7a60cbbc2c10054a8

    • SHA1

      bd21972d551f7e9b3c666592aa40ea2c2d0cdf1d

    • SHA256

      58c2aea5cea893381bec02259c23bd89ba35538d54984a2de40fa19030c7d79f

    • SHA512

      cd0e89e4ca77ee6a4b03e458177192b34361b3e0a03421729885afc071c8309bb35d504fea40afbe8b5c5eb77af856aa45e26bc7df2b28b835d37f6d4bf92f6f

    • SSDEEP

      24576:5yLqt+Zn9yar6MBTvh+0SF8gVkQGvx2UVe7uU/9GjrV1hkCjLur/wCmqpRS:s2klrLBTvh+0SugzG46U/cV1hk8utlR

    • 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.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks