General

  • Target

    4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247

  • Size

    5.9MB

  • Sample

    220215-qrj4tagffq

  • MD5

    3919bb58a275715604a36797fce5cc4f

  • SHA1

    60c6d11d0401ecf45b760a6c52b947ccca821d8a

  • SHA256

    4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247

  • SHA512

    8af2d40ee99a7ba9a0b7cc8786cf627cab03a5dd7f85cb12a3dc72de678a33094b16a74fb69f7ad98d29a4ec158b312b3fc2749087268a91f83dc825b40c39a7

Malware Config

Targets

    • Target

      4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247

    • Size

      5.9MB

    • MD5

      3919bb58a275715604a36797fce5cc4f

    • SHA1

      60c6d11d0401ecf45b760a6c52b947ccca821d8a

    • SHA256

      4faac433dc2e0494006797d9888d12bd9a53e0f0492774b8f69ddcf0a5f70247

    • SHA512

      8af2d40ee99a7ba9a0b7cc8786cf627cab03a5dd7f85cb12a3dc72de678a33094b16a74fb69f7ad98d29a4ec158b312b3fc2749087268a91f83dc825b40c39a7

    • 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