Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 19:33

General

  • Target

    JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe

  • Size

    112KB

  • MD5

    94fa5e88062c7ba7465dc8e1aa85f2f1

  • SHA1

    cce94813c7dd728856bcea452ea2d020a8716464

  • SHA256

    0543ed16dbf27a45b08f9c81befc2766b9d5d6a0998dc13174dcf897b3ff7920

  • SHA512

    5a1f3aaeecc51434aea688361ded4cbafc6afa8be9ed31fbf498044308080c262e09b8c064ea0bf41bde516dc236db46eb3f494cc37555e5ca93ea408986fc36

  • SSDEEP

    1536:JxqjQ+P04wsmJCDd/COqSBAqSk8nZy3p1Jbd/Cy:sr85CB/uSBAtZwp1J5/

Malware Config

Signatures

  • Detect Neshta payload 5 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.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:5792
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_94fa5e88062c7ba7465dc8e1aa85f2f1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:6012

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_94fa5e88062c7ba7465dc8e1aa85f2f1.exe

    Filesize

    72KB

    MD5

    8318ba4052d62740350202a499870b90

    SHA1

    87837c0a4a1714accacb7a997ec454c386587c3c

    SHA256

    f5a5c1f177f204bad3728e3a4c862c52a7a0de0824dc392480377c92587f8213

    SHA512

    5bedad6d639f5053a16a4b1637c733bccfc9d927eaa45b52d150c2e65bf1271a5b2e8ca1d914935f81f9baed4dfe78108bdba12b5615a713f58cb28d8b2e95b7

  • memory/5792-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5792-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5792-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5792-137-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB