Analysis

  • max time kernel
    104s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 17:15

General

  • Target

    JaffaCakes118_8c83a5ebf252d471a884ba54091b2a51.exe

  • Size

    450KB

  • MD5

    8c83a5ebf252d471a884ba54091b2a51

  • SHA1

    c9edc475e6ed11e42ab69cb7951d96d3f87b1d05

  • SHA256

    cc8e804e6e4d8862aae2dca25e96818a8eb63d8804d4583101435f7c77cd1f9b

  • SHA512

    1d497a9291e96c533ee7403084d964689d7a8c7e6a4e5b8ca66ab704c549661997069f0f73396ab8371b4593477372ac3ede45bcb1a13eb59e3ab5f4ac65700b

  • SSDEEP

    6144:k9fz3Q7O6c2SqT5416LGZmvujzKNVibv2fjbv2fQ:Kz3QP14i4mvunk4bv27bv2o

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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c83a5ebf252d471a884ba54091b2a51.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c83a5ebf252d471a884ba54091b2a51.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
    PID:3852
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8c83a5ebf252d471a884ba54091b2a51.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_8c83a5ebf252d471a884ba54091b2a51.exe"
      2⤵
      • Executes dropped EXE
      PID:456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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_8c83a5ebf252d471a884ba54091b2a51.exe

    Filesize

    409KB

    MD5

    d19c199458fe1301c507875278bd883d

    SHA1

    2af124ae1efb906cb875242bfde355e41865f858

    SHA256

    d9490c5014ff0779a5fbfc3dc221120a9f26a68072e357480b5a88fe4e56d80f

    SHA512

    f039f43a9f0f28edde2da76c69f67ec582e26cd46288446e1e90663794cbae7405c3da40b49b33eeeafc7008abb1227851897309fae08351f9cab798ef8a2602

  • memory/3852-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3852-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3852-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB