General

  • Target

    fca622d2096af6d499789c6ae2afb61575c07fe93e62af79d33f5890f77e842e.zip

  • Size

    1.2MB

  • Sample

    240402-l7l6wsec8x

  • MD5

    4be7456a4f3563d99d1335d744e1aa63

  • SHA1

    8f77bc6ce7d3cf3176092c71be43e72bfc759421

  • SHA256

    9809083296fc70726c188125b4d6b3850bdcbdac934fcf044cbb7792392fa323

  • SHA512

    f7b9e882660db9277e039ea4840316cdfe0418f33cddee8699da2eec1746e8c7d7c9867d9b78b05fd741b9d3ab516799dfc8d827301a99ed850877cab5672ef6

  • SSDEEP

    24576:J7sWAElYscRLHximivgwefPfJd6pFrpzMcxBlPWnttK06jflW:ALsKjVwefPfJdEFrp/BVWjkjflW

Malware Config

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

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

  • url_paths

    /theme/index.php

rc4.plain

Extracted

Family

redline

Botnet

grome

C2

77.91.124.86:19084

Targets

    • Target

      fca622d2096af6d499789c6ae2afb61575c07fe93e62af79d33f5890f77e842e.exe

    • Size

      1.3MB

    • MD5

      4be5a608b4d35960795a412fb4aa396c

    • SHA1

      30e56d3901b47e0543d640de27926f25fc27f03c

    • SHA256

      fca622d2096af6d499789c6ae2afb61575c07fe93e62af79d33f5890f77e842e

    • SHA512

      e9bb712e59f76c00ccb343f32c8e826eb5cba8ca1634d13102ee557faf6e4b0281932113ab0913d59f127db3aec60ab901c0a5b5f9164f6e1ce92048e94448f0

    • SSDEEP

      24576:1ybKa+UsJQQN8cTVvN6Th2kqeyGZfgxHDwvVF75LFPJrqxB4kD+4N:Q+aVsPVwFVqey0IxHEDhoD+

    • 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