Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 07:11

General

  • Target

    ead2b784eea46d7d5e999e7210235b89_JaffaCakes118.exe

  • Size

    90KB

  • MD5

    ead2b784eea46d7d5e999e7210235b89

  • SHA1

    e16382b1b6c54a884229abb30d805217fd848a73

  • SHA256

    1ee475daf6daf3fff7d50e978d750be538e57dab9df2cfe0e4fd096c7eb7b64c

  • SHA512

    b48aabe120da2d3356f9a69543d66d713e3ad3ef03770d9075333239825415abf9abd98f397868167ca00e047b2f1b1fccef614423f2732f21326eea4ace5e2c

  • SSDEEP

    1536:JxqjQ+P04wsmJCsen7+vfppdtAwD5TrBkrG3C4tk8MXZJ5cc:sr85Cn7+XAwYrGSwk8MXZJGc

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.

  • 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 2 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\ead2b784eea46d7d5e999e7210235b89_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ead2b784eea46d7d5e999e7210235b89_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:4340
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ead2b784eea46d7d5e999e7210235b89_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ead2b784eea46d7d5e999e7210235b89_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3012

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\ead2b784eea46d7d5e999e7210235b89_JaffaCakes118.exe

    Filesize

    50KB

    MD5

    61b0e09c6d17ec22ad575e956ecabaa3

    SHA1

    50da76660659de21da20834e45ef8858f549221c

    SHA256

    03f73530c48a3ce01cb05c3f5daff9b1b7c8ca69ba7cca0ed4b06740fb7c3fac

    SHA512

    c1d4d4f1be2425a9c00d2cfc54db543c5c43d81d8648cd180e54a6cb597ea00f85fac4343effd9aecb4a24d474e3764648abeb390189e88eca6ff248ecc213e7

  • memory/4340-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4340-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4340-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB