General

  • Target

    213c5947e50b9edd68412d2850e08e32bd41c1473cba614f78c396a63be40013

  • Size

    3.4MB

  • Sample

    220215-seg5sshdhp

  • MD5

    97a1f8d3a08336c5eb1b64ed37bc7427

  • SHA1

    ffb3c8454c58f93ce8fa4c8c81202e7f327193f6

  • SHA256

    213c5947e50b9edd68412d2850e08e32bd41c1473cba614f78c396a63be40013

  • SHA512

    84fd0b819c232ed860b209317b379e618bdbefac188f9f68059b7cf51ceac242fee6e08b0d8aaa9209fc5e39953f1161b895eb25660784792826d1e1bde3a564

Malware Config

Targets

    • Target

      213c5947e50b9edd68412d2850e08e32bd41c1473cba614f78c396a63be40013

    • Size

      3.4MB

    • MD5

      97a1f8d3a08336c5eb1b64ed37bc7427

    • SHA1

      ffb3c8454c58f93ce8fa4c8c81202e7f327193f6

    • SHA256

      213c5947e50b9edd68412d2850e08e32bd41c1473cba614f78c396a63be40013

    • SHA512

      84fd0b819c232ed860b209317b379e618bdbefac188f9f68059b7cf51ceac242fee6e08b0d8aaa9209fc5e39953f1161b895eb25660784792826d1e1bde3a564

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • 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

3
T1082

Tasks