Analysis

  • max time kernel
    94s
  • max time network
    96s
  • 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 19:29

General

  • Target

    JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe

  • Size

    749KB

  • MD5

    6effaa1896f29d8b4b8068b285d9e910

  • SHA1

    23eaad79793a6147f3dc6926a9e63d318f0a4e23

  • SHA256

    8bd35fdbfaf998adc9018206bc509142671273d39f9a4846212625927ff02ee1

  • SHA512

    170f79358b3722a7aaaff46192738eb9c1e7f05ea9e7b54ecb504861124849b375a287d97359b713d518f28f34375beb49cd78f30e33a99e6742ae2e567d4149

  • SSDEEP

    12288:NxYiCW5X6O/m+50T6AgomBtt6Wvzcapvwli9u3ou3kG7/7mEmab9xBzV:NsWU6p6WvoalKi50zZ7zV

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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.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:1788
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6effaa1896f29d8b4b8068b285d9e910.exe"
      2⤵
      • Executes dropped EXE
      PID:1328

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_6effaa1896f29d8b4b8068b285d9e910.exe

    Filesize

    708KB

    MD5

    6fca1ca9e481540f707faf2322324f1b

    SHA1

    f78b89f1e12fd3b1e32612516c0b42daf7f9f8e4

    SHA256

    9858fd1f48d4544dcb7ef432ead193121440c10307493436b9546d7d52555bbd

    SHA512

    8b9c1aa91844d1c8dfc2fbdf5883372ddb55afa9992f5f6d45c18ab8dba2717b5d4f46e817d302bda032d140fcd27c5ad49992749dc1ef96e334cd7d7f1f6222

  • memory/1788-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1788-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1788-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB