General

  • Target

    1bd241a838e2a5c6a90fbb18c7df6872_JaffaCakes118

  • Size

    2.4MB

  • Sample

    240701-vqhltatdjj

  • MD5

    1bd241a838e2a5c6a90fbb18c7df6872

  • SHA1

    c2e201a59b4e5596b30471636d6a39ff5eb20863

  • SHA256

    3b2f71e5570d5c609bebf61fd2e9975fb1e5f3243013284fc6cb3a04b763d704

  • SHA512

    8366159cab9e990628630a88ea3f07a43b7f670c2b58838a3f7a2da92d5fc3d6227cbcc19b8a18af08c65f63b288181dd4aae585650d669c324d156418dfc0e4

  • SSDEEP

    49152:HkbHiSRFfrG+palCHHvZgWe7UoJJeIS3e:

Malware Config

Targets

    • Target

      1bd241a838e2a5c6a90fbb18c7df6872_JaffaCakes118

    • Size

      2.4MB

    • MD5

      1bd241a838e2a5c6a90fbb18c7df6872

    • SHA1

      c2e201a59b4e5596b30471636d6a39ff5eb20863

    • SHA256

      3b2f71e5570d5c609bebf61fd2e9975fb1e5f3243013284fc6cb3a04b763d704

    • SHA512

      8366159cab9e990628630a88ea3f07a43b7f670c2b58838a3f7a2da92d5fc3d6227cbcc19b8a18af08c65f63b288181dd4aae585650d669c324d156418dfc0e4

    • SSDEEP

      49152:HkbHiSRFfrG+palCHHvZgWe7UoJJeIS3e:

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Tasks