General

  • Target

    1f65ab4da30e9b04d84b7915db39f4a1.exe

  • Size

    891KB

  • Sample

    231011-3v5wxacc7s

  • MD5

    1f65ab4da30e9b04d84b7915db39f4a1

  • SHA1

    f96ec434ae23935d5162ac498cc33345c1da0694

  • SHA256

    fcf8b3334a4c5863aa1006ca4674c344f1f39c2ca19a010722671494c14e985b

  • SHA512

    a381f4389b98da13e9fc4fe68cf80d059b4e014bbadb1329738717051d9c0fc1b4dc4915354b8cbb5728363e553a891b62522b8e66083ad3bc656d552eaa3af9

  • SSDEEP

    24576:iyxdq0OlRqWXozrUOk61DBg82gwNVuPcV:JxdElRGPUJ6fg82g/c

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

      1f65ab4da30e9b04d84b7915db39f4a1.exe

    • Size

      891KB

    • MD5

      1f65ab4da30e9b04d84b7915db39f4a1

    • SHA1

      f96ec434ae23935d5162ac498cc33345c1da0694

    • SHA256

      fcf8b3334a4c5863aa1006ca4674c344f1f39c2ca19a010722671494c14e985b

    • SHA512

      a381f4389b98da13e9fc4fe68cf80d059b4e014bbadb1329738717051d9c0fc1b4dc4915354b8cbb5728363e553a891b62522b8e66083ad3bc656d552eaa3af9

    • SSDEEP

      24576:iyxdq0OlRqWXozrUOk61DBg82gwNVuPcV:JxdElRGPUJ6fg82g/c

    • Amadey

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

    • 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.

    • 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