Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 10:27

General

  • Target

    3f53d646dac6bb85377b4fc336985d9a_JaffaCakes118.exe

  • Size

    960KB

  • MD5

    3f53d646dac6bb85377b4fc336985d9a

  • SHA1

    f4a863af69b32aca3fd6b363b9891cae1bbab779

  • SHA256

    d6fe14f9ad1982af85a80ad2f22d5b8a4a37cdfe5e93c9236389b593808b5702

  • SHA512

    19fa9a7bc1fa9ee59f5037faaec6728809c2b9778655d8db7924d63512c77fb437e6e3df8c2a9e6aff1f236fd3eb0b48dbe3850c5b60bf93b7fcf25c7b80b30b

  • SSDEEP

    12288:X6Wq4aaE6KwyF5L0Y2D1PqLb6Wq4aaE6KwyF5L0Y2D1PqLx6Wq4aaE6KwyF5L0Yc:1thEVaPqLBthEVaPqLHthEVaPqLTthq

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f53d646dac6bb85377b4fc336985d9a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3f53d646dac6bb85377b4fc336985d9a_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\svhost.exe
      C:\Windows\svhost.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\PerfLogs.exe

          Filesize

          960KB

          MD5

          a784ffa86d44059b286eb898dbe23f24

          SHA1

          0b090b914d6f465e5165e07797af76ae09536797

          SHA256

          f9661248d4741590f4147fef6b8d72ea19229311704a1c49aa98743b9bff8448

          SHA512

          e392813eb7435a4fb4fdc14291d4b7ccac7b0fb3deadeb82e952db7b443a74089cad47dde51ead908ac12587eb32b5ff26a3bfe0b604f794c5d5f002d36fc478

        • C:\Windows\Driver.db

          Filesize

          82B

          MD5

          c2d2dc50dca8a2bfdc8e2d59dfa5796d

          SHA1

          7a6150fc53244e28d1bcea437c0c9d276c41ccad

          SHA256

          b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960

          SHA512

          6cfdd08729de9ee9d1f5d8fcd859144d32ddc0a9e7074202a7d03d3795bdf0027a074a6aa54f451d4166024c134b27c55c7142170e64d979d86c13801f937ce4

        • C:\Windows\svhost.exe

          Filesize

          960KB

          MD5

          168da93ae3e56c600264226b0c3d9d7d

          SHA1

          511d163ab599575aa48b454a8930307178943729

          SHA256

          95e76cafa80f2622f57f38b22f87d1b2c82b67a3d56a7f0487cce866da670427

          SHA512

          530228fe37c6d46b94beca06874d9c5b0ef7a37af0b43b1d0cc67510de4c4a261566f56cc7efc6a01aea11d05174a387e73739d76976df6b3319258d6237f482

        • memory/868-0-0x0000000000400000-0x0000000000523000-memory.dmp

          Filesize

          1.1MB

        • memory/868-745-0x0000000000400000-0x0000000000523000-memory.dmp

          Filesize

          1.1MB

        • memory/4984-5-0x0000000000400000-0x0000000000523000-memory.dmp

          Filesize

          1.1MB

        • memory/4984-1104-0x0000000000400000-0x0000000000523000-memory.dmp

          Filesize

          1.1MB