General

  • Target

    cfee2d1e4e8cac29ba1304e2c6639b7bdf8dc5a111f5a6cfc94981c89060d367

  • Size

    1.7MB

  • Sample

    220520-rq9hragcb5

  • MD5

    fde7ae84cb218ddabbfbbffeac0cce14

  • SHA1

    251f033a47407fac551802866b8a2c829ed7b9c1

  • SHA256

    cfee2d1e4e8cac29ba1304e2c6639b7bdf8dc5a111f5a6cfc94981c89060d367

  • SHA512

    64fbd447595176955733a740df01deb45898123c50524146b869793bb358f17eeaba43d2182f5c16fb6cdd2e2848f30b8883ff7fda4348d047d5e8e0f3cdc730

Malware Config

Targets

    • Target

      cfee2d1e4e8cac29ba1304e2c6639b7bdf8dc5a111f5a6cfc94981c89060d367

    • Size

      1.7MB

    • MD5

      fde7ae84cb218ddabbfbbffeac0cce14

    • SHA1

      251f033a47407fac551802866b8a2c829ed7b9c1

    • SHA256

      cfee2d1e4e8cac29ba1304e2c6639b7bdf8dc5a111f5a6cfc94981c89060d367

    • SHA512

      64fbd447595176955733a740df01deb45898123c50524146b869793bb358f17eeaba43d2182f5c16fb6cdd2e2848f30b8883ff7fda4348d047d5e8e0f3cdc730

    • Looks for VirtualBox Guest Additions in registry

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

Bootkit

1
T1067

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Query Registry

8
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Tasks