General

  • Target

    cb4edb342a3da971a69d4a1cf39175d0_JaffaCakes118

  • Size

    85KB

  • Sample

    240830-vz5gyawbke

  • MD5

    cb4edb342a3da971a69d4a1cf39175d0

  • SHA1

    eff2200d4301abae9e4b17f35bd5fab150f6cce1

  • SHA256

    cc5d048942af05983d2f2495d36c63164ac1ef6eeca86ce7835eae706dab476b

  • SHA512

    5bc82c1c2fdf88f0e93c0bb4825058c8e2f7316b506dece23c70fc2f9b7c2b3eacddc82682cbaae028dcfd4851b0c37322a7bf513bf30411eb2bcc4ee4abaecf

  • SSDEEP

    1536:8W27RutYPWEBJYSzIvYVdmUqkbv49FusLTut1B:E0vadCkbvCFnTuV

Malware Config

Extracted

Family

blacknet

Version

v3.5 Public

Botnet

HacKed_ATID

C2

https://nicurb.com/blacknet

Mutex

BN[GwnCMuth-7347262]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    df7427b5e05183e625345c3c37ef31c0

  • startup

    true

  • usb_spread

    true

Targets

    • Target

      cb4edb342a3da971a69d4a1cf39175d0_JaffaCakes118

    • Size

      85KB

    • MD5

      cb4edb342a3da971a69d4a1cf39175d0

    • SHA1

      eff2200d4301abae9e4b17f35bd5fab150f6cce1

    • SHA256

      cc5d048942af05983d2f2495d36c63164ac1ef6eeca86ce7835eae706dab476b

    • SHA512

      5bc82c1c2fdf88f0e93c0bb4825058c8e2f7316b506dece23c70fc2f9b7c2b3eacddc82682cbaae028dcfd4851b0c37322a7bf513bf30411eb2bcc4ee4abaecf

    • SSDEEP

      1536:8W27RutYPWEBJYSzIvYVdmUqkbv49FusLTut1B:E0vadCkbvCFnTuV

    • BlackNET

      BlackNET is an open source remote access tool written in VB.NET.

    • BlackNET payload

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks