Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 08:49

General

  • Target

    edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.exe

  • Size

    594KB

  • MD5

    edf7184f9f45fb18c12b2b198aa16c45

  • SHA1

    33695158a4c91e10fa78b3bc863403ed50035b6e

  • SHA256

    0db7f43a51aeb290bf21c1e29092525236852a3a146c33d3ffe62dd5dcb49223

  • SHA512

    432c8fef8fbbf1bc3ce988c563f500c6f62f3b2174d98ed773e5cd1067058ba5c58525e1943dc29c2d7154bb7ae1fc4a46027b2dc51b14fa18c42cb7994f7de9

  • SSDEEP

    12288:UggTSWAJR0p/StdpxHHF/XWs3KI/IDdFCPXIDdFCPn:mTjAJR0JStdpxHHF/r/IDdEXIDdEn

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\edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.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:4120
    • C:\Users\Admin\AppData\Local\Temp\3582-490\edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2992

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\edf7184f9f45fb18c12b2b198aa16c45_JaffaCakes118.exe

    Filesize

    554KB

    MD5

    5d67b793e7b7d3a254e925f78f1eec6a

    SHA1

    f58356df45b6a591681cbfb81646b124c7c67855

    SHA256

    3a128111fd0683247c38ac231c42a882cf25730511af39df50faf3e2f7bca4d0

    SHA512

    b0ae95c9446a6d3d3de6e7efe4e70ef183bbf031b7598daa3158932eff6f5dc10e944b8ca5cf00df0a2ec16e45a08480ba565259fcaba0aed29cec05373e7060

  • memory/2992-10-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/4120-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4120-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4120-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB