General

  • Target

    VirtualBox_Windows XP_05_04_2023_20_39_32.png

  • Size

    514KB

  • Sample

    230406-bjq5tsae46

  • MD5

    d5691c8c26d810e2f66e738a459dc46a

  • SHA1

    0bb23f9615082aef142a5e53014179e2d3f9f108

  • SHA256

    13fc9c8ff624f7b62e9e8281678bc4dd4ae35112e437eff0a32f18049eaf564a

  • SHA512

    ec6ef3c42fa717bb9abd7c6d4d4fa0cb3f016fdec0dcbcf31cf22a0de3f1f743ff9c407c8311cdb695b622a1fc852417d39505dafa002559b2552e6f339b3b7d

  • SSDEEP

    12288:jJsTBUcsEaUZBvNjJhl1QaAB8JhKwqtJsmOEYNZ91Lgon2RIadYq7:jJubq+BvNt1QFk5qz3YN+IoYq7

Malware Config

Targets

    • Target

      VirtualBox_Windows XP_05_04_2023_20_39_32.png

    • Size

      514KB

    • MD5

      d5691c8c26d810e2f66e738a459dc46a

    • SHA1

      0bb23f9615082aef142a5e53014179e2d3f9f108

    • SHA256

      13fc9c8ff624f7b62e9e8281678bc4dd4ae35112e437eff0a32f18049eaf564a

    • SHA512

      ec6ef3c42fa717bb9abd7c6d4d4fa0cb3f016fdec0dcbcf31cf22a0de3f1f743ff9c407c8311cdb695b622a1fc852417d39505dafa002559b2552e6f339b3b7d

    • SSDEEP

      12288:jJsTBUcsEaUZBvNjJhl1QaAB8JhKwqtJsmOEYNZ91Lgon2RIadYq7:jJubq+BvNt1QFk5qz3YN+IoYq7

    • Modifies Installed Components in the registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks