General

  • Target

    55543cdad93e45f632ee7c7579d7ecaf2ccd0a162c65f5f97f95ea450e6405fc

  • Size

    268KB

  • Sample

    231006-1vn72sad57

  • MD5

    84b09a96981ce03236e4880a82562937

  • SHA1

    7bd49cfbf3e3ddb2d9c240a97f96dc2b95697088

  • SHA256

    55543cdad93e45f632ee7c7579d7ecaf2ccd0a162c65f5f97f95ea450e6405fc

  • SHA512

    87c9ce6fc8ce07a185bbc5c0029b5c8c9e0654f379dd75304777b7beb478b626a74f10e7c6189b405adfaa97b2f52c740881eab2d2d5adea8157cf16fb494f0d

  • SSDEEP

    6144:kmDQXFz5kyocx5/X/3SPl5MAO/YKPA1yQg06:kmDCzWyoWzxYOAn6

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

amadey

Version

3.83

C2

http://5.42.65.80/8bmeVwqx/index.php

Attributes
  • install_dir

    207aa4515d

  • install_file

    oneetx.exe

  • strings_key

    3e634dd0840c68ae2ced83c2be7bf0d4

rc4.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.4.46:33783

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Targets

    • Target

      55543cdad93e45f632ee7c7579d7ecaf2ccd0a162c65f5f97f95ea450e6405fc

    • Size

      268KB

    • MD5

      84b09a96981ce03236e4880a82562937

    • SHA1

      7bd49cfbf3e3ddb2d9c240a97f96dc2b95697088

    • SHA256

      55543cdad93e45f632ee7c7579d7ecaf2ccd0a162c65f5f97f95ea450e6405fc

    • SHA512

      87c9ce6fc8ce07a185bbc5c0029b5c8c9e0654f379dd75304777b7beb478b626a74f10e7c6189b405adfaa97b2f52c740881eab2d2d5adea8157cf16fb494f0d

    • SSDEEP

      6144:kmDQXFz5kyocx5/X/3SPl5MAO/YKPA1yQg06:kmDCzWyoWzxYOAn6

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • LoaderBot

      LoaderBot is a loader written in .NET downloading and executing miners.

    • 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.

    • xmrig

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

    • LoaderBot executable

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks