General

  • Target

    fb07db551c31c17ef048f04628cb49f400cf3b5d671b90c3334326755e709afa

  • Size

    1.4MB

  • Sample

    220725-d5z1zadaf4

  • MD5

    652ab99bb0d38c2b096919ad9827cca6

  • SHA1

    9604c9fb9c777f70c4911f575180da9db090ca0e

  • SHA256

    fb07db551c31c17ef048f04628cb49f400cf3b5d671b90c3334326755e709afa

  • SHA512

    b8f7ab53ce6360665158d4a8944483bfdcf2c7baf7e03bbd5cc53944e8b3cafdf8eacf105e5851f1cf3a200fadfe52ee24230d08ffacbd9ac74be0e76d005c9d

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://loddd01.info/

https://loddd02.info/

Targets

    • Target

      fb07db551c31c17ef048f04628cb49f400cf3b5d671b90c3334326755e709afa

    • Size

      1.4MB

    • MD5

      652ab99bb0d38c2b096919ad9827cca6

    • SHA1

      9604c9fb9c777f70c4911f575180da9db090ca0e

    • SHA256

      fb07db551c31c17ef048f04628cb49f400cf3b5d671b90c3334326755e709afa

    • SHA512

      b8f7ab53ce6360665158d4a8944483bfdcf2c7baf7e03bbd5cc53944e8b3cafdf8eacf105e5851f1cf3a200fadfe52ee24230d08ffacbd9ac74be0e76d005c9d

    Score
    10/10
    • Buer

      Buer is a new modular loader first seen in August 2019.

    • Buer Loader

      Detects Buer loader in memory or disk.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks