General

  • Target

    a16b7edf235f5232ce5b0fe08d958bdf_JaffaCakes118

  • Size

    4.8MB

  • Sample

    240817-gltlmatdkn

  • MD5

    a16b7edf235f5232ce5b0fe08d958bdf

  • SHA1

    d999a4ccd255614ce9bb6ee27dd045f9e31134eb

  • SHA256

    3c50fdc4adb674163737a2d03c57ebd39e98c20c4e06f2ab7de79716a0279e58

  • SHA512

    c73e970a174ed3a1c77eb8bbf95fff40489aae50645cb56ad76fba169a7e0c631566534987b424ee541fe48074e4d345a00eebe2d4911f74fb5636d33c43872e

  • SSDEEP

    98304:MHNSVGTM7SsVmtk19hCIJmgt3wWJBLsspJ6kekmZLK64x6Vm5BZf7/V3:Mte7S0WYks3wcYw0kmZLKvf3

Malware Config

Targets

    • Target

      a16b7edf235f5232ce5b0fe08d958bdf_JaffaCakes118

    • Size

      4.8MB

    • MD5

      a16b7edf235f5232ce5b0fe08d958bdf

    • SHA1

      d999a4ccd255614ce9bb6ee27dd045f9e31134eb

    • SHA256

      3c50fdc4adb674163737a2d03c57ebd39e98c20c4e06f2ab7de79716a0279e58

    • SHA512

      c73e970a174ed3a1c77eb8bbf95fff40489aae50645cb56ad76fba169a7e0c631566534987b424ee541fe48074e4d345a00eebe2d4911f74fb5636d33c43872e

    • SSDEEP

      98304:MHNSVGTM7SsVmtk19hCIJmgt3wWJBLsspJ6kekmZLK64x6Vm5BZf7/V3:Mte7S0WYks3wcYw0kmZLKvf3

    • Ardamax

      A keylogger first seen in 2013.

    • Ardamax main executable

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • 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

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks