General

  • Target

    dc0b3b9b3bdc64d5074f2126ed397258effa721601c645428bcc653b8cdf2f4e

  • Size

    2.4MB

  • Sample

    220215-f8tz8sbcf5

  • MD5

    2ca1fa563d961e96561622edcab5d864

  • SHA1

    d9fcd898fe5ddc4a19ae97a6c4ff1f2664a808ac

  • SHA256

    dc0b3b9b3bdc64d5074f2126ed397258effa721601c645428bcc653b8cdf2f4e

  • SHA512

    916443f39a0e14431b369a6b9c8d37ab12689559f39f3bbd0f9988aa17db2a914c01c9e14cbf7be92146427046e81c76e3dc91f1e767428079c60956e1414b7d

Malware Config

Targets

    • Target

      dc0b3b9b3bdc64d5074f2126ed397258effa721601c645428bcc653b8cdf2f4e

    • Size

      2.4MB

    • MD5

      2ca1fa563d961e96561622edcab5d864

    • SHA1

      d9fcd898fe5ddc4a19ae97a6c4ff1f2664a808ac

    • SHA256

      dc0b3b9b3bdc64d5074f2126ed397258effa721601c645428bcc653b8cdf2f4e

    • SHA512

      916443f39a0e14431b369a6b9c8d37ab12689559f39f3bbd0f9988aa17db2a914c01c9e14cbf7be92146427046e81c76e3dc91f1e767428079c60956e1414b7d

    • 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