Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 04:22

General

  • Target

    d5384c18ef7de0763d90cab185912a3e_JaffaCakes118.exe

  • Size

    668KB

  • MD5

    d5384c18ef7de0763d90cab185912a3e

  • SHA1

    397bc059fe4dd48c972d64dcfd2759b31ac42230

  • SHA256

    da24591c956431be4be74218ff61d0b29f210740b58c9e9d65588c7aedf55e86

  • SHA512

    6d129c8da31a025fa98800f3fd55b69f3adb83957c01711cc104f57fd2da0d6e7468a80ec11cd575b4c5aac0935b18d901fc5872cf603c18dc5e4a34cab79869

  • SSDEEP

    12288:zT7JFdB3lWxhE7YBkn3aAUJ05WL6fXsKXEWRgSGEeCBpsTp0owwZpjp/N0D:H7JHWxqUmnNUJYW2fX1UWRVGExQp/yD

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\d5384c18ef7de0763d90cab185912a3e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5384c18ef7de0763d90cab185912a3e_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:1100
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d5384c18ef7de0763d90cab185912a3e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d5384c18ef7de0763d90cab185912a3e_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2512

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\d5384c18ef7de0763d90cab185912a3e_JaffaCakes118.exe

    Filesize

    628KB

    MD5

    1a434c44355b2f53977e7bc15dab31f8

    SHA1

    f6f7092993f2e19487c4dacf7f03c79564ff5cfa

    SHA256

    3037fb2db1e7005237702b31c1be8a9643e211c45287bc8256cd0addb71d3227

    SHA512

    d9f142618351337e3113aea2a9753a59caa912f96e188644b63e78738880065037c72ed5b08bcc94422aa3981f7b27e4ebd6dc7fe8344e66527f7beb366811da

  • memory/1100-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1100-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB