General

  • Target

    9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

  • Size

    2.8MB

  • Sample

    211225-wnazmaagf5

  • MD5

    1f1248d5b199d9f25878f17d07dc7b94

  • SHA1

    46eea0b5d5d448ecc9d6a172efa620d46c5f6403

  • SHA256

    9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

  • SHA512

    452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

Malware Config

Targets

    • Target

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

    • Size

      2.8MB

    • MD5

      1f1248d5b199d9f25878f17d07dc7b94

    • SHA1

      46eea0b5d5d448ecc9d6a172efa620d46c5f6403

    • SHA256

      9b5b14675edb065f1c9a148a736e1673f2b8e77b4b1b66263e76f6ddbb766a12

    • SHA512

      452f61e02d216b793081b846144ca2808a2dd65211b737c1f036350f0c615231fb67a33686fd8960dd050813e5abd2b313da10268eab3dfe5d2c8e1463cc09bc

    • 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