General

  • Target

    31e3fb9f538ac8e99c37516e1fdbb39ecefa156fb351d1f3c7b1769630502554

  • Size

    2.5MB

  • Sample

    220212-kp8fqsacb6

  • MD5

    a6026b1816d99fddc64093331fbbcb06

  • SHA1

    8882f31a568642bbc68294001187a90166c188a0

  • SHA256

    31e3fb9f538ac8e99c37516e1fdbb39ecefa156fb351d1f3c7b1769630502554

  • SHA512

    4ebc406781d91601ba3277aa21737d6e434c21bd42f2d3260ce7d90bfb1458d140e2842efc85866f5c330847a71dfe302f842b782238d6422fa160e5047ada00

Malware Config

Targets

    • Target

      31e3fb9f538ac8e99c37516e1fdbb39ecefa156fb351d1f3c7b1769630502554

    • Size

      2.5MB

    • MD5

      a6026b1816d99fddc64093331fbbcb06

    • SHA1

      8882f31a568642bbc68294001187a90166c188a0

    • SHA256

      31e3fb9f538ac8e99c37516e1fdbb39ecefa156fb351d1f3c7b1769630502554

    • SHA512

      4ebc406781d91601ba3277aa21737d6e434c21bd42f2d3260ce7d90bfb1458d140e2842efc85866f5c330847a71dfe302f842b782238d6422fa160e5047ada00

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

    • Blocklisted process makes network request

    • 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.

    • 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