General

  • Target

    322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813

  • Size

    1.6MB

  • Sample

    230506-z3m5aafb42

  • MD5

    08e3930a42197a422d064569c4778997

  • SHA1

    74832aa332b48422e5d448f5099b397e84c18712

  • SHA256

    322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813

  • SHA512

    b70952bc3cd54abcc2c7c1c71b1f16d96a001900574237263a210512a348542e6ec7a05e7fcc0ff5831a200db23fae06f2bbb0f0bb249599fed0fa1761516368

  • SSDEEP

    24576:mzE0vhwHbExPyG6Ci5KqGxgxvgwEL3h3z1MKiA9iS888PXmNkAZvrdt/kFPXjdpr:mtaEpGcqmtwEbhD1ViA9/PjPwPXj3VV

Malware Config

Extracted

Family

systembc

C2

185.161.248.16:4440

Targets

    • Target

      322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813

    • Size

      1.6MB

    • MD5

      08e3930a42197a422d064569c4778997

    • SHA1

      74832aa332b48422e5d448f5099b397e84c18712

    • SHA256

      322626ca37f3929c517b4c0ceeb130836be5f36a1eb68ab0adb00c0f4a3f3813

    • SHA512

      b70952bc3cd54abcc2c7c1c71b1f16d96a001900574237263a210512a348542e6ec7a05e7fcc0ff5831a200db23fae06f2bbb0f0bb249599fed0fa1761516368

    • SSDEEP

      24576:mzE0vhwHbExPyG6Ci5KqGxgxvgwEL3h3z1MKiA9iS888PXmNkAZvrdt/kFPXjdpr:mtaEpGcqmtwEbhD1ViA9/PjPwPXj3VV

    • SystemBC

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

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

    • 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.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks