General

  • Target

    3ceaef07d4f1a2a180f823f7ba73c711e9fbcc7fcc2a33d10c83e13501d38d4d

  • Size

    2.7MB

  • Sample

    211227-n4ry3sbbfm

  • MD5

    c3e817c49f32c3cb34d093ec705935a0

  • SHA1

    b78bf6c9412607171d50df4331ecefd8d82482bc

  • SHA256

    3ceaef07d4f1a2a180f823f7ba73c711e9fbcc7fcc2a33d10c83e13501d38d4d

  • SHA512

    9f586dca05f4a37f46dfd4cf9f3e2a9d65fd1cbb7f962796bc502be0f6a65494b689dd4161ae1ff6f18200c30e5a5a468c48257b4e38d7cf01dbaee345e985f8

Malware Config

Targets

    • Target

      3ceaef07d4f1a2a180f823f7ba73c711e9fbcc7fcc2a33d10c83e13501d38d4d

    • Size

      2.7MB

    • MD5

      c3e817c49f32c3cb34d093ec705935a0

    • SHA1

      b78bf6c9412607171d50df4331ecefd8d82482bc

    • SHA256

      3ceaef07d4f1a2a180f823f7ba73c711e9fbcc7fcc2a33d10c83e13501d38d4d

    • SHA512

      9f586dca05f4a37f46dfd4cf9f3e2a9d65fd1cbb7f962796bc502be0f6a65494b689dd4161ae1ff6f18200c30e5a5a468c48257b4e38d7cf01dbaee345e985f8

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks