General

  • Target

    03061448_4

  • Size

    26.4MB

  • Sample

    220805-b3yzsadeb4

  • MD5

    07a394784eab50e67d2c92a98991f9c9

  • SHA1

    311cc1843681a9b05b941a760b0c2c3dac27adb7

  • SHA256

    070460c8124939b1756262d215ec61f69b3b83cc5329c0376b5079be390a876b

  • SHA512

    4f9f9a87fcfc31d1163b444bac10d56a27b3507f1ad780a6b7433632b527221ba27b9472069e5fe1e415e0ba865fc6177b19479d5ded5dc7db38b722171b91c9

Malware Config

Targets

    • Target

      03061448_4

    • Size

      26.4MB

    • MD5

      07a394784eab50e67d2c92a98991f9c9

    • SHA1

      311cc1843681a9b05b941a760b0c2c3dac27adb7

    • SHA256

      070460c8124939b1756262d215ec61f69b3b83cc5329c0376b5079be390a876b

    • SHA512

      4f9f9a87fcfc31d1163b444bac10d56a27b3507f1ad780a6b7433632b527221ba27b9472069e5fe1e415e0ba865fc6177b19479d5ded5dc7db38b722171b91c9

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Tasks