Analysis

  • max time kernel
    91s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 08:43

General

  • Target

    JaffaCakes118_986b0c9a177e0bcccb22b65514e95403.exe

  • Size

    199KB

  • MD5

    986b0c9a177e0bcccb22b65514e95403

  • SHA1

    e0339e7b84c726a61b8ca71aac5fe2968121ba84

  • SHA256

    ed003bb5d41b65c07c8d693fe324a58ac1b5ef76332c761aa82d8fb09b7b0dec

  • SHA512

    5e2d1b07f11bd01cecd243bd40047dd64f12929148deedb07d3bc1fb82e65432dbfab3e8898bfff2b8d7ed6845c7c59373de405ba89d00089a4c8a063c9f2535

  • SSDEEP

    3072:sr85CqaYrj+Eu9ztm1F8wW74oVLS+PMB+iVw92w3LiBkKVE1VTdsefLZtKVXDH+R:k9qaYrj+//w8nUB+JZ6rhf8

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 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_986b0c9a177e0bcccb22b65514e95403.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_986b0c9a177e0bcccb22b65514e95403.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:3588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_986b0c9a177e0bcccb22b65514e95403.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_986b0c9a177e0bcccb22b65514e95403.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2908

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_986b0c9a177e0bcccb22b65514e95403.exe

    Filesize

    158KB

    MD5

    2f9374067f820487ac0556c5b5a8c68a

    SHA1

    a96e9c23642e3101fc0ce9d4c9165c44e037f5ce

    SHA256

    18fcf6c969388af403a78f44d55efe2bc4f9a03444bfd481c398a6634cd3c42b

    SHA512

    c1e5bcade88f80b96d12a18264aa8df00c6f3efac4f51d4ff5e995f0553e1532eeb1ce26c866229f0eda253e34672cbf99e1d5df358ca70ba95b0d45c451170f

  • memory/3588-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3588-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3588-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB