General

  • Target

    5A846E585B408A600E69ADE8BF12199B.exe

  • Size

    1.8MB

  • Sample

    231011-3bzwjsde77

  • MD5

    5a846e585b408a600e69ade8bf12199b

  • SHA1

    af419d0af685e957b2bc183de22bc65229976cb4

  • SHA256

    9b2086a3c2f6b76986bd2adfcbb55f88eb1b585d2a86ea6307feda72b7c0f926

  • SHA512

    c7c90b7d426069d469ec91460321e31a9fdc204e7da53b62adcd41134183298473d2a53c00d1bfbe045517c66a8313c4225b21f514aacbd90d68b05fc4901953

  • SSDEEP

    49152:P5i1cDO4G1Hir2AfpgsXt+YVClSlfRUOD:DDOhNUXd9w8lfyOD

Malware Config

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

redline

Botnet

kukish

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Targets

    • Target

      5A846E585B408A600E69ADE8BF12199B.exe

    • Size

      1.8MB

    • MD5

      5a846e585b408a600e69ade8bf12199b

    • SHA1

      af419d0af685e957b2bc183de22bc65229976cb4

    • SHA256

      9b2086a3c2f6b76986bd2adfcbb55f88eb1b585d2a86ea6307feda72b7c0f926

    • SHA512

      c7c90b7d426069d469ec91460321e31a9fdc204e7da53b62adcd41134183298473d2a53c00d1bfbe045517c66a8313c4225b21f514aacbd90d68b05fc4901953

    • SSDEEP

      49152:P5i1cDO4G1Hir2AfpgsXt+YVClSlfRUOD:DDOhNUXd9w8lfyOD

    • 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

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

System Information Discovery

3
T1082

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

Tasks