General

  • Target

    e285cdb49dde88ce2720d40646a17520d959dd10613016fdadf93ac42c2d40fc_JC.exe

  • Size

    1.0MB

  • Sample

    231001-zldvaafb94

  • MD5

    a7fca5e75d2675826518bccb69750b5d

  • SHA1

    b9b9740c4df08e2a2132541d461950e1503bcc8b

  • SHA256

    e285cdb49dde88ce2720d40646a17520d959dd10613016fdadf93ac42c2d40fc

  • SHA512

    b985c637823c0be07beed5f7137109447b8ca3b604978df650d0c23aaf1d28666f63c9f8367ac9ebefaa1989692a85137346759247bcfb883a7fa7c6dfc10d38

  • SSDEEP

    24576:Tyk8gI1yw3QduoVyXKhExnfWYbtdYqzapSE7xBodsg0:mk8gCp3Q00yXKhkfWiapjuK

Malware Config

Extracted

Family

redline

Botnet

gruha

C2

77.91.124.55:19071

Attributes
  • auth_value

    2f4cf2e668a540e64775b27535cc6892

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

http://77.91.68.78/help/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain
rc4.plain

Targets

    • Target

      e285cdb49dde88ce2720d40646a17520d959dd10613016fdadf93ac42c2d40fc_JC.exe

    • Size

      1.0MB

    • MD5

      a7fca5e75d2675826518bccb69750b5d

    • SHA1

      b9b9740c4df08e2a2132541d461950e1503bcc8b

    • SHA256

      e285cdb49dde88ce2720d40646a17520d959dd10613016fdadf93ac42c2d40fc

    • SHA512

      b985c637823c0be07beed5f7137109447b8ca3b604978df650d0c23aaf1d28666f63c9f8367ac9ebefaa1989692a85137346759247bcfb883a7fa7c6dfc10d38

    • SSDEEP

      24576:Tyk8gI1yw3QduoVyXKhExnfWYbtdYqzapSE7xBodsg0:mk8gCp3Q00yXKhkfWiapjuK

    • Amadey

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

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • 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

1
T1012

System Information Discovery

2
T1082

Tasks