Analysis

  • max time kernel
    93s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 05:01

General

  • Target

    fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe

  • Size

    516KB

  • MD5

    fe8a2ef1fd5cb7c61619bc1f21da36bc

  • SHA1

    572c56230dfd2adca5f24a3728fb8d2e4a076246

  • SHA256

    3321a7c09d3f7926b8b26139a8c347eb72c58ee4a23a375f8b06870cfe67f39c

  • SHA512

    eafe5bc41e514a5973f942c74c6488f864b3c6f809322a772c4b779bdca92673f6c30d20d3fe8522352e38e19da507390653ee47cf2f6ba26021f5dcbadd304e

  • SSDEEP

    6144:k9q5+zgcgeW8uzIyuMudhvppjRSBU7l4l5r/2NIBJom8Mw/RoAdmnRA:yHgeB8SJjRSq7l4l5r/2SnoBBp4A

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\fe8a2ef1fd5cb7c61619bc1f21da36bc_JaffaCakes118.exe

    Filesize

    476KB

    MD5

    08ea7cd12fdc42fe1d7228eca73715af

    SHA1

    72ef1c6ccba0ab21d1d0b0703f2737f2d54f8b52

    SHA256

    d24de70b8fcc2d50d7cc28548e4a36d9c8baa19e01edfa1e0e43f63ee9eaba42

    SHA512

    464d4ae37f3c25496a32510d0d979f16955d7f536870d22d33c7335533313044e27f115b29a4e09535284cdc06faa16393b3cd799609c16213d2cb41ac763d14

  • memory/2588-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2588-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB