General

  • Target

    LagoFast_windows_1.exe

  • Size

    49.0MB

  • Sample

    230317-2xm87sac77

  • MD5

    3a2d039e39fe4edd9e209b9f1851ff6f

  • SHA1

    5718b94431224c7b6534bb94aa4bfa1342da91be

  • SHA256

    6c5177985854d84de4673899f81c676cae65955bcded636f7affadd1b08b078e

  • SHA512

    9c863857d7cac99333dddd5c62be0fbb5ce9f3ea9f81a72fe66ac51908404bf08f41b1bf978dda389d6c376444882b3e7e6d3ae795096901b64ff668acce57e0

  • SSDEEP

    1572864:AEThfq5a4IoIX2xDVhHbxc4/uya0JN/ctiXuU:+QXoIX85dK42yz+U

Malware Config

Targets

    • Target

      LagoFast_windows_1.exe

    • Size

      49.0MB

    • MD5

      3a2d039e39fe4edd9e209b9f1851ff6f

    • SHA1

      5718b94431224c7b6534bb94aa4bfa1342da91be

    • SHA256

      6c5177985854d84de4673899f81c676cae65955bcded636f7affadd1b08b078e

    • SHA512

      9c863857d7cac99333dddd5c62be0fbb5ce9f3ea9f81a72fe66ac51908404bf08f41b1bf978dda389d6c376444882b3e7e6d3ae795096901b64ff668acce57e0

    • SSDEEP

      1572864:AEThfq5a4IoIX2xDVhHbxc4/uya0JN/ctiXuU:+QXoIX85dK42yz+U

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks