Analysis

  • max time kernel
    95s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 03:09

General

  • Target

    JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe

  • Size

    137KB

  • MD5

    774313bee805db5ec6d28ff2f58c67b0

  • SHA1

    13e1189be9ee841a6d54cb69a9c8839b67dd3d40

  • SHA256

    7618ae26912da9f1a4f87159916aa78d5f271199e34811334a741b28f805339a

  • SHA512

    2b4b6a0ca5ce4168b98e0eef09d4663a475a272847645506de5f811bafaca544236cc08e3899b5fbca0b6bb06714c32f3e7ce4e2ca47825b092e8eb58d34ddaf

  • SSDEEP

    1536:JxqjQ+P04wsmJC45dzSB3fCViShtxT41IjEf822PC8oqbto1qK:sr85C45dzSB3fCVXh3T41IjEf8QbqO

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_774313bee805db5ec6d28ff2f58c67b0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.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:3460
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_774313bee805db5ec6d28ff2f58c67b0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1416

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_774313bee805db5ec6d28ff2f58c67b0.exe

    Filesize

    97KB

    MD5

    15527a04088cfb9ef4b052e6b9ff600d

    SHA1

    bc7b5710f174065c810145564f1016d9c129ee2d

    SHA256

    7845eb710d513e5987b4c259064697c2c5860a0a3690cd1d3161826df7ec308b

    SHA512

    849e0ff5f0d15977471f32c0ab39a77578e0d6746f945225f1d238bc488761f3ac29084e9663c7261fe8c082f6e08d22674da0c72d41dca0661f5e61c8243514

  • memory/1416-14-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/1416-13-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/1416-15-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/1416-16-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/1416-12-0x0000000073982000-0x0000000073983000-memory.dmp

    Filesize

    4KB

  • memory/1416-100-0x0000000073982000-0x0000000073983000-memory.dmp

    Filesize

    4KB

  • memory/1416-101-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/1416-102-0x0000000073980000-0x0000000073F31000-memory.dmp

    Filesize

    5.7MB

  • memory/3460-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3460-104-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3460-106-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB