General

  • Target

    固定用户锁V2(去除蓝屏关机之类的所有暗装).exe

  • Size

    3.9MB

  • Sample

    220117-s1elssbdaj

  • MD5

    3ca0a601129170828f89a70f63dec5b8

  • SHA1

    8e1f1ac711133e37026468c75f554c56d8441531

  • SHA256

    bb831434dada721f000a29589a4a2354e15b4c1c73191c8bac8638d91481dc8b

  • SHA512

    7958d5da3964f53a18e1c0c13ecf309384cd88441a611f69a378dd478fcd48107847b62e6b8947a8544920c6d9e58e2a3bd01ea0ffc7f62165a9f25297033849

Malware Config

Targets

    • Target

      固定用户锁V2(去除蓝屏关机之类的所有暗装).exe

    • Size

      3.9MB

    • MD5

      3ca0a601129170828f89a70f63dec5b8

    • SHA1

      8e1f1ac711133e37026468c75f554c56d8441531

    • SHA256

      bb831434dada721f000a29589a4a2354e15b4c1c73191c8bac8638d91481dc8b

    • SHA512

      7958d5da3964f53a18e1c0c13ecf309384cd88441a611f69a378dd478fcd48107847b62e6b8947a8544920c6d9e58e2a3bd01ea0ffc7f62165a9f25297033849

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

    • Checks BIOS information in registry

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

    • 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

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Tasks