General

  • Target

    NEAS.838cef4f9e7f982468de1095f4997050.exe

  • Size

    1.2MB

  • Sample

    231101-rjnygafb88

  • MD5

    838cef4f9e7f982468de1095f4997050

  • SHA1

    940d179b0f05b180595681dd6795edbc49d0cb3a

  • SHA256

    68455ed4d5d0f2779637c2282e8c6d35f338b56174fa073c5e80410deaa1b178

  • SHA512

    5f411d05713d21faaba05a51130215f57a24de7d07422c2ef5bd30928e0361e49e9de8e4dfb4aa1af173721c13eb7f7bec16656abf2d036fe32be9797d1f3ae3

  • SSDEEP

    24576:5ywRwNCk/bVlmxLJWYRgCvdMb+1EIECix32+kLjtkosYNU7/eGvYb:swRWCkJwxjtwFc+uWoJNf1

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

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

Targets

    • Target

      NEAS.838cef4f9e7f982468de1095f4997050.exe

    • Size

      1.2MB

    • MD5

      838cef4f9e7f982468de1095f4997050

    • SHA1

      940d179b0f05b180595681dd6795edbc49d0cb3a

    • SHA256

      68455ed4d5d0f2779637c2282e8c6d35f338b56174fa073c5e80410deaa1b178

    • SHA512

      5f411d05713d21faaba05a51130215f57a24de7d07422c2ef5bd30928e0361e49e9de8e4dfb4aa1af173721c13eb7f7bec16656abf2d036fe32be9797d1f3ae3

    • SSDEEP

      24576:5ywRwNCk/bVlmxLJWYRgCvdMb+1EIECix32+kLjtkosYNU7/eGvYb:swRWCkJwxjtwFc+uWoJNf1

    • Amadey

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

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks