Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 00:43

General

  • Target

    JaffaCakes118_b1182ef5bd664ac8bf092b6efcbf917a.exe

  • Size

    1.5MB

  • MD5

    b1182ef5bd664ac8bf092b6efcbf917a

  • SHA1

    3cf4aac990cc0da789cfb9d9d0c36eb2d5c66b08

  • SHA256

    09ed3084429d2e754a45e46ca23bc2a9ad2e3e9c8e02a565fd1b3b9a5d24f8a6

  • SHA512

    ec81d48b0c299fa54eb96b02c06b0f7b67d01dd5faef4f885561fdcd53c24cd8619d8b52f7088bc25e0839d0c3ece44877a895b6b949555d2c6af78534806289

  • SSDEEP

    24576:vCDccTchS5VFdOPdEFs7yhsQ+zR467cN0QhTuAPndPBDK4/+nx+n0:vsccIhS5V6EFiyhsQ+zICyTBPndPU4q

Malware Config

Signatures

  • 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_b1182ef5bd664ac8bf092b6efcbf917a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1182ef5bd664ac8bf092b6efcbf917a.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:4716
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b1182ef5bd664ac8bf092b6efcbf917a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b1182ef5bd664ac8bf092b6efcbf917a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_b1182ef5bd664ac8bf092b6efcbf917a.exe

    Filesize

    1.5MB

    MD5

    bd2208875608970cb2a582b81400ed61

    SHA1

    fa1d978ef4676ac378e0f6813dfbb5a22747a9ae

    SHA256

    1196b00201e1ec264c6dde061b36c44c0932857cfcdf82de41e3eb163c8234cc

    SHA512

    d759fbc90574fd4912588d917b55fdf81e326b38c04b07e983e141bbf21c2a730a341f1019a26232659f82274ff49049bad8673277d594528743b4e78733b3d2

  • memory/4716-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4716-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4716-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB