General

  • Target

    inputexp.exe

  • Size

    1.6MB

  • Sample

    250204-tyqfystmfn

  • MD5

    c3069d373ad7ad584a38a1f8d192d795

  • SHA1

    7622f9ba0222571b132b8cf4170cfbe9ef6c84e5

  • SHA256

    7d6c86e5760cce346c1da56d5be37325370a33166077af261078aa7d32fdee78

  • SHA512

    26dd481a8febddf3eafd7aab249c55440a1106b4250cc296aa0eea383973c7797757235ab3c69c0763361b23f612ffda3a926bab7ddacae777f0c9357682def8

  • SSDEEP

    49152:D69hioTji28jbgm0K9qW8y9vPw3NeGlXKnnzYFplO6Kqe:D6PTTjzUPPZPqNpak5K

Malware Config

Extracted

Family

systembc

C2

wodresomdaymomentum.org:4001

Attributes
  • dns

    5.132.191.104

    ns1.vic.au.dns.opennic.glue

    ns2.vic.au.dns.opennic.glue

Targets

    • Target

      inputexp.exe

    • Size

      1.6MB

    • MD5

      c3069d373ad7ad584a38a1f8d192d795

    • SHA1

      7622f9ba0222571b132b8cf4170cfbe9ef6c84e5

    • SHA256

      7d6c86e5760cce346c1da56d5be37325370a33166077af261078aa7d32fdee78

    • SHA512

      26dd481a8febddf3eafd7aab249c55440a1106b4250cc296aa0eea383973c7797757235ab3c69c0763361b23f612ffda3a926bab7ddacae777f0c9357682def8

    • SSDEEP

      49152:D69hioTji28jbgm0K9qW8y9vPw3NeGlXKnnzYFplO6Kqe:D6PTTjzUPPZPqNpak5K

    • SystemBC

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

    • Systembc family

    • 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.

    • Executes dropped EXE

    • 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 v15

Tasks