General

  • Target

    b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9

  • Size

    6.1MB

  • Sample

    220215-hn9lasbhh8

  • MD5

    d17ddf62b40c19e794160069d3e970ae

  • SHA1

    d0371179c03af231a8b07d175141944cb32a5115

  • SHA256

    b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9

  • SHA512

    5b1a40e9a2399c6bb7dffd4340859a91a3acc6b8f28e7cafdc1d8df74be1f8a2bb63e76f14305788654f862f3247805cbcf3a94059496e154b5bd239e4eebc7f

Malware Config

Targets

    • Target

      b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9

    • Size

      6.1MB

    • MD5

      d17ddf62b40c19e794160069d3e970ae

    • SHA1

      d0371179c03af231a8b07d175141944cb32a5115

    • SHA256

      b543353168aed0d8f97bf242c27cebcae520a36aabbd5feddf3331611ec5afc9

    • SHA512

      5b1a40e9a2399c6bb7dffd4340859a91a3acc6b8f28e7cafdc1d8df74be1f8a2bb63e76f14305788654f862f3247805cbcf3a94059496e154b5bd239e4eebc7f

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

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Command and Control

Web Service

1
T1102

Tasks