General

  • Target

    e063dcb77a9d10b2a1eafc8af5e2a122_JaffaCakes118

  • Size

    5.7MB

  • Sample

    241211-hz3bcsslhv

  • MD5

    e063dcb77a9d10b2a1eafc8af5e2a122

  • SHA1

    65116078fd279a40a6807f2b5db6633b69b4dbd4

  • SHA256

    96ec0b44a4d0f2fa0dac3e5dccd700a6360f04ff4a44a8fbda6b5509ba6358f7

  • SHA512

    064115d06a61ef08c10c0a5c17fa27a539ccc73400f368392b0791a6f4ed40bd4a39a348bb94678a02f492d2dd1011174214add471cc48b48a896e867b93be02

  • SSDEEP

    98304:yDA+zXfW3hs4QBYP0P43lTcyDUDuUdNG65uLp9/KASx5IYM1EmCsrh3tJ7hyde4f:y/vWxrPyGeDuOudhSaYo1xP7hyde8

Malware Config

Extracted

Family

nullmixer

C2

http://watira.xyz/

Targets

    • Target

      e063dcb77a9d10b2a1eafc8af5e2a122_JaffaCakes118

    • Size

      5.7MB

    • MD5

      e063dcb77a9d10b2a1eafc8af5e2a122

    • SHA1

      65116078fd279a40a6807f2b5db6633b69b4dbd4

    • SHA256

      96ec0b44a4d0f2fa0dac3e5dccd700a6360f04ff4a44a8fbda6b5509ba6358f7

    • SHA512

      064115d06a61ef08c10c0a5c17fa27a539ccc73400f368392b0791a6f4ed40bd4a39a348bb94678a02f492d2dd1011174214add471cc48b48a896e867b93be02

    • SSDEEP

      98304:yDA+zXfW3hs4QBYP0P43lTcyDUDuUdNG65uLp9/KASx5IYM1EmCsrh3tJ7hyde4f:y/vWxrPyGeDuOudhSaYo1xP7hyde8

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • Nullmixer family

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Privateloader family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

    • Target

      setup_installer.exe

    • Size

      5.7MB

    • MD5

      0a7b9a3a120d129f53edd0c6fa2564b2

    • SHA1

      062f9ab3533df764cebb4df4e09c15b0a154a977

    • SHA256

      c767c0c438dd1a2bfb6d14e35c30b24971b9a2db90748177ee23959b7b6b22ed

    • SHA512

      fbe42dc44812899e32a09012dd5c590f8fc298aac84ae0e140ab2b53e398707c708267aae6210dc3bad6559859ad0b0ef05dc74064a73586c2fb66903038d7eb

    • SSDEEP

      98304:xRCvLUBsg5qofeZPTS8u5u3hnN0sdnB4cY/TUwHOAU68+ociP88W5BzXq7lB:x6LUCg5qoZsRN0q0xLc+APE5BLq7P

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • Nullmixer family

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Privateloader family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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 Enterprise v15

Tasks