Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 19:09

General

  • Target

    JaffaCakes118_67847cede9714c4330eba9e84af232d0.exe

  • Size

    573KB

  • MD5

    67847cede9714c4330eba9e84af232d0

  • SHA1

    f31aff7bc4efb8ca56c0c5057c06b4dbf22c42cc

  • SHA256

    8f2cd020a7721993256a44fac339290eb9483be6492bccb5266b02fc4a87795c

  • SHA512

    e23b989e97a4ba2cf7a55179763ba19ea26c9557f97889d28fe0d694318114c436bdfe077f3bc3dcecdf61e2dc0ec10e535201a76c195fb77e9e93001d1278ee

  • SSDEEP

    12288:RoDkZmi7qj2Gc5RbtRPt1oO9QR+NxVg0oQ5q6NxVg0oQ5qq:RoYZmp2LRDV1T9Q0N/NJ

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\JaffaCakes118_67847cede9714c4330eba9e84af232d0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67847cede9714c4330eba9e84af232d0.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:4412
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_67847cede9714c4330eba9e84af232d0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_67847cede9714c4330eba9e84af232d0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3164

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\JaffaCakes118_67847cede9714c4330eba9e84af232d0.exe

    Filesize

    532KB

    MD5

    b52460a7f33c7d94a65a6a076265c635

    SHA1

    ea89061913775147a4a7b1708f3776f097ab618e

    SHA256

    d747e8604c0518f9a3d5840d065aeb273fede59d5839327b077b8beff8b13961

    SHA512

    22e7d76c536c2a66ebc340df87fcb4c5f8e8ad32ab66f7642614d66b305ab9d47916327f20457bca9a94a72844042b1aef28d2bf41a38ebb77c83e23698c0a41

  • memory/3164-9-0x0000000000400000-0x00000000004D7000-memory.dmp

    Filesize

    860KB

  • memory/4412-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4412-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4412-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB