General

  • Target

    4592c6b5f38f82e9c50fcd6c4b5f2c33b925c57933fcaeb400979dce7cf04454

  • Size

    163KB

  • Sample

    221117-j6b87adh97

  • MD5

    bb8e86a3fc33caae318aab15fc4d5aeb

  • SHA1

    02f9c735807fb78f7a5fade3bf6c0cf34396fe95

  • SHA256

    4592c6b5f38f82e9c50fcd6c4b5f2c33b925c57933fcaeb400979dce7cf04454

  • SHA512

    c7739f21b200393995b5e3e6b9ab8df59110b0f54ee33285ab6c8e385db1ad30aa652d0335080e95124ef8caab5600b013d748cb809fa7a32806766e024e831c

  • SSDEEP

    3072:TrJlWRnGCoMOTjt5wimxSYrF+eeo/yS5Z6pr4QpBh6JnlgPD:HyZHpi1YrF+TOL6pkEh

Malware Config

Extracted

Family

systembc

C2

89.248.165.79:443

Targets

    • Target

      4592c6b5f38f82e9c50fcd6c4b5f2c33b925c57933fcaeb400979dce7cf04454

    • Size

      163KB

    • MD5

      bb8e86a3fc33caae318aab15fc4d5aeb

    • SHA1

      02f9c735807fb78f7a5fade3bf6c0cf34396fe95

    • SHA256

      4592c6b5f38f82e9c50fcd6c4b5f2c33b925c57933fcaeb400979dce7cf04454

    • SHA512

      c7739f21b200393995b5e3e6b9ab8df59110b0f54ee33285ab6c8e385db1ad30aa652d0335080e95124ef8caab5600b013d748cb809fa7a32806766e024e831c

    • SSDEEP

      3072:TrJlWRnGCoMOTjt5wimxSYrF+eeo/yS5Z6pr4QpBh6JnlgPD:HyZHpi1YrF+TOL6pkEh

    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Downloads MZ/PE file

    • Executes dropped EXE

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks