General

  • Target

    NEAS.82cbb7caa8e4d80cccf83eb4e3c557c93044f2d5f39f7db1e4ae60b1a4dd3a15exe_JC.exe

  • Size

    1.1MB

  • Sample

    231008-swe2rsga39

  • MD5

    7ba1c3824b789e54533c70c4debb3375

  • SHA1

    e433f9c19b7c4ff2c2e86412d21368a7ba3a4581

  • SHA256

    82cbb7caa8e4d80cccf83eb4e3c557c93044f2d5f39f7db1e4ae60b1a4dd3a15

  • SHA512

    c146c9628560dac5433dac3a1eff6f2585771a063b4f96714dbec09072a28a96260e031e557fa7ee55205f9b5b91046f678b6e80b136ba50b9fc633dad0fdc4a

  • SSDEEP

    24576:WyPa4gFHwWiuy9OnyD4m/jLCwkV+zrLwHf99s9YhUK5w4KcwAaI:lPa4gRwWioyDlfCwY+zrLw/ouw4KcwAa

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

redline

Botnet

lutyr

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

magia

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

Targets

    • Target

      NEAS.82cbb7caa8e4d80cccf83eb4e3c557c93044f2d5f39f7db1e4ae60b1a4dd3a15exe_JC.exe

    • Size

      1.1MB

    • MD5

      7ba1c3824b789e54533c70c4debb3375

    • SHA1

      e433f9c19b7c4ff2c2e86412d21368a7ba3a4581

    • SHA256

      82cbb7caa8e4d80cccf83eb4e3c557c93044f2d5f39f7db1e4ae60b1a4dd3a15

    • SHA512

      c146c9628560dac5433dac3a1eff6f2585771a063b4f96714dbec09072a28a96260e031e557fa7ee55205f9b5b91046f678b6e80b136ba50b9fc633dad0fdc4a

    • SSDEEP

      24576:WyPa4gFHwWiuy9OnyD4m/jLCwkV+zrLwHf99s9YhUK5w4KcwAaI:lPa4gRwWioyDlfCwY+zrLw/ouw4KcwAa

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • 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

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks