Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2024, 22:08

General

  • Target

    8809d4517a68f3e78efd1612d14b27d6_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    8809d4517a68f3e78efd1612d14b27d6

  • SHA1

    1808dd8b62dd58fa35797a84bdb53528ce3a2836

  • SHA256

    eca7d930b7b7412fdb9fb2b15de407f6a74b49253eabc738134034ac141ad588

  • SHA512

    4640037dc7407c1f634e43d074291dca7d0baf4fdaec538c7bacc68797b921c703d85a97fa6b64a52e84085aa7b266b3c7147508d0e8ef7f3621c524cb4e9c69

  • SSDEEP

    1536:JxqjQ+P04wsmJCevP2iIf+sreomgPHA5kG9mQ7N6wMkNaAYG5n8scO/eyM/WN6Yn:sr85C+P2B+srxPxQZDFcZIZcqbdXXd

Malware Config

Signatures

  • Detect Neshta payload 5 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\8809d4517a68f3e78efd1612d14b27d6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8809d4517a68f3e78efd1612d14b27d6_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:4408
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8809d4517a68f3e78efd1612d14b27d6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8809d4517a68f3e78efd1612d14b27d6_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2588

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\8809d4517a68f3e78efd1612d14b27d6_JaffaCakes118.exe

    Filesize

    127KB

    MD5

    70f20fb785e3726aa9215fbf843e6d9a

    SHA1

    d6f31f4a866b4c8d4fc17877926352dd7f1a83f7

    SHA256

    e3b353e3802e3115a5c9f98c6158113a713ed6c1ce8eb3427d13727a31847b39

    SHA512

    2caf3d3ce6d7984cf35c2c0015794fa7dc5dc7ab53e7978fa7cd546315c32bc076e397a0f097ce2f4e30a91aaf7b02bcfdb18221e3150e89cb189096e684971e

  • memory/4408-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4408-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4408-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4408-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB