General

  • Target

    3bef58fef596df43e5b3ca9da3615fb32b211684a86cce0a9948fb39da456bd7

  • Size

    942KB

  • Sample

    220703-k4rfrsfch2

  • MD5

    8c83a4dd0844ec6f31761656276cd6dc

  • SHA1

    ae6f4465021b0f63b78835f7fa03a22d2fd856b5

  • SHA256

    3bef58fef596df43e5b3ca9da3615fb32b211684a86cce0a9948fb39da456bd7

  • SHA512

    f50f7c33830ba561276d02db9edd33cbde85850379f24b456b69a3d100354a9d64623a2e0535e782444f8f71b19da7c4245f4cebe4146383afc7d10dd8ecd1c0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    billionkilos@yandex.com
  • Password:
    billion123

Targets

    • Target

      3bef58fef596df43e5b3ca9da3615fb32b211684a86cce0a9948fb39da456bd7

    • Size

      942KB

    • MD5

      8c83a4dd0844ec6f31761656276cd6dc

    • SHA1

      ae6f4465021b0f63b78835f7fa03a22d2fd856b5

    • SHA256

      3bef58fef596df43e5b3ca9da3615fb32b211684a86cce0a9948fb39da456bd7

    • SHA512

      f50f7c33830ba561276d02db9edd33cbde85850379f24b456b69a3d100354a9d64623a2e0535e782444f8f71b19da7c4245f4cebe4146383afc7d10dd8ecd1c0

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks