Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2025 11:20

General

  • Target

    JaffaCakes118_e5cc1c64443f6da32dfe827b83f40e45.exe

  • Size

    344KB

  • MD5

    e5cc1c64443f6da32dfe827b83f40e45

  • SHA1

    36df79c4b57f68952f742c4d5cb6a7789d967ca4

  • SHA256

    17cd5344c9d581a824f63c4164bbc16305dd59fdab982ece82dc40a91bb744d1

  • SHA512

    9cb24626f7fd6eb0b7b233f073d81170fc020cbb6a84b1bda687c7630ab8de863de390d91987ab1cc5c261f0ac9df255fb022c1e34748962662a409ad2c0e607

  • SSDEEP

    3072:zr8WDrCWNgjn+qHtzcIM+Amn9qg2SSGf417ffxOXFKUnTp5sNokC:PuWKj+UcFODKUT8NokC

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
  • Downloads MZ/PE file 1 IoCs
  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5cc1c64443f6da32dfe827b83f40e45.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e5cc1c64443f6da32dfe827b83f40e45.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:2664
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_e5cc1c64443f6da32dfe827b83f40e45.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_e5cc1c64443f6da32dfe827b83f40e45.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1512
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDI2MTA0MzAzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2332

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_e5cc1c64443f6da32dfe827b83f40e45.exe

    Filesize

    304KB

    MD5

    d15da6f8300318c3be7ce40558672269

    SHA1

    c67104d5adecad782288dedd92fdf92715b67e10

    SHA256

    33a6cc8e1f4ad2eb74ef10fcabe5831511fb722b5b40ebe63f8ef46b3e9ffc7c

    SHA512

    998201d843f7770ae3209d64d03f9269d17406a37ea186cf1247c2adc7783b925bf3f789e814b5d11631543dfc8af9c814b8924eef9b77925aeabcc8cee429ea

  • memory/2664-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2664-126-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2664-128-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB