General

  • Target

    956573562e7d7da152d58e554d8c605dae1566cfcdc6e091511f4fa54b50004b.zip

  • Size

    1.5MB

  • Sample

    240402-mpmkdafh22

  • MD5

    468e09ac50a1c257d51bc2aff822251b

  • SHA1

    7e1e72299218299935df96f4577a428e1a8b5411

  • SHA256

    3aa40fcbdd2ffa77d93df88c3aec48f89f39cd95e8b7b7306c92716d98a97eb1

  • SHA512

    ef316a313538bb5146a9bae5e382ca63c1ec519773f7efd2de474a623431cedc393c4f859fd47ac8283f156fd841778298bb14d6e5615f17f8800dc7536232dc

  • SSDEEP

    49152:OjMzgsvOjtSfoPRtZiQ6G+/OFP8lV6CD23z+Ht4Ie:OsgsvqHpHi7G2OOD2ay9

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

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

  • url_paths

    /theme/index.php

rc4.plain

Targets

    • Target

      956573562e7d7da152d58e554d8c605dae1566cfcdc6e091511f4fa54b50004b.exe

    • Size

      1.6MB

    • MD5

      bd8179166fc23c803f7d1303a940ae7e

    • SHA1

      ba99075cc9eed7bc43f39078c0cf203e35e985d9

    • SHA256

      956573562e7d7da152d58e554d8c605dae1566cfcdc6e091511f4fa54b50004b

    • SHA512

      4f28e7f1b59bc8e1b4c2f71c04f33a216b18380e940c9d143069dd27f11337cffd1a3dc4fbc121ff529817c7bf75c5eafc28bf8a45d7316416c9518f46e5d702

    • SSDEEP

      24576:BywW+SerRtTFjyw5/TRFu3J0G3alUAZSRsZ14PftEdKQqvtBpHcsNN2bs:0wYe3TFjywBRFuVIzSs4Pf8qvRcsNU

    • Amadey

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

    • DcRat

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

    • 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 Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks