Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 16:15

General

  • Target

    JaffaCakes118_6ddbbee529f55507472f0a44501426a1.exe

  • Size

    4.0MB

  • MD5

    6ddbbee529f55507472f0a44501426a1

  • SHA1

    845c8c0cb90e41508f7ed1506f7a5fd6dd97a8fb

  • SHA256

    88ff325dfeb10ba3c1d78b75aeda4b2ceb78dfc2a73f70966920a45f4936afbb

  • SHA512

    3f78f952bfaf4e1a39db6f9fcc4f3c30a84f3995d9a43ddebb247ea25090f0098216bf6d3ec90b2f3694beab35f22c84f8895127530ae0972723a06d542af414

  • SSDEEP

    49152:RetyLOvpahlo9G6NWlFLy9m9atfz4HH6RtObxDHHHnLT8ow5Wq4qY21+FDAWmh:XLOglo9tElFdatZL

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_6ddbbee529f55507472f0a44501426a1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ddbbee529f55507472f0a44501426a1.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:3748
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ddbbee529f55507472f0a44501426a1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ddbbee529f55507472f0a44501426a1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2960

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_6ddbbee529f55507472f0a44501426a1.exe

    Filesize

    4.0MB

    MD5

    0a02e31e963da8b2ab111d8481590450

    SHA1

    c6cd1d5cf8f1b46b3d8d73db51563d91aecd76a5

    SHA256

    2d8dd1be15f07ca0da88fda5478e3bb1c77c44dc537ef155aa623e77e81b65b3

    SHA512

    e1f2149888683a66a0cfe5677a71aec43d3ed6977417da7663a5582f1e8ae488e444a89809a139133c7044670a49999e9751cd3fae33342220c3da059503013a

  • memory/3748-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3748-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3748-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB