General

  • Target

    BandicamScreenRecorder.exe

  • Size

    52.6MB

  • Sample

    230322-x1c57aah37

  • MD5

    d740f2075e4e5138d81379da576f1ec9

  • SHA1

    3c916466753ef155c7cd64ae90ed987cb04f7385

  • SHA256

    745085510ff4431bb1427bdce3f1eb8396d42175fb66fb28220851a8aadddf54

  • SHA512

    b911c2f7c935518e5befc8d53eab0ff6bd52379a51500f7213a3eeee7a20d9443913dc9c538839a92918d412acbf97d1f9f85abe990908e1fa338cb9f6c77b24

  • SSDEEP

    1572864:Xxte3/h4OwmO9z/NfdTCCsl0KvqqoVWiI17zdNAx:XxM3Gn/N5tsFvqxVO17zdNAx

Malware Config

Targets

    • Target

      BandicamScreenRecorder.exe

    • Size

      52.6MB

    • MD5

      d740f2075e4e5138d81379da576f1ec9

    • SHA1

      3c916466753ef155c7cd64ae90ed987cb04f7385

    • SHA256

      745085510ff4431bb1427bdce3f1eb8396d42175fb66fb28220851a8aadddf54

    • SHA512

      b911c2f7c935518e5befc8d53eab0ff6bd52379a51500f7213a3eeee7a20d9443913dc9c538839a92918d412acbf97d1f9f85abe990908e1fa338cb9f6c77b24

    • SSDEEP

      1572864:Xxte3/h4OwmO9z/NfdTCCsl0KvqqoVWiI17zdNAx:XxM3Gn/N5tsFvqxVO17zdNAx

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

    • Modifies Windows Firewall

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks