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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
    25/09/2024, 18:22

General

  • Target

    f698c6d2b73741768a2b930fbb0b7540_JaffaCakes118.exe

  • Size

    157KB

  • MD5

    f698c6d2b73741768a2b930fbb0b7540

  • SHA1

    5b7932a703b2e66548922f87a01397c43655eb1a

  • SHA256

    2e2c4f0b86fad63954a35b6ddcf7904dffac25e3b7d547fb0c393b73620b4dc1

  • SHA512

    72b319ad1c6b7b0d7cd6c51c7ecf1bb9bde30dbd161d3a981e96161a8df76bba1e3bdf7617104e74ad9108dcf56a70fe25742df2315735a7e28f579698680f96

  • SSDEEP

    3072:sr85CHkBY9bHb5gLQpBKel6pFLXjIavJA:k9HkB8HdgMp8ZpFLXMb

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 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\f698c6d2b73741768a2b930fbb0b7540_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f698c6d2b73741768a2b930fbb0b7540_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:4848
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f698c6d2b73741768a2b930fbb0b7540_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f698c6d2b73741768a2b930fbb0b7540_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3976

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\f698c6d2b73741768a2b930fbb0b7540_JaffaCakes118.exe

    Filesize

    117KB

    MD5

    34ab8835a7cf0cd91c87c0b9bce7a554

    SHA1

    c84c10d76812cdd777399a8b216955dbf9486de8

    SHA256

    27436462632c2d27c7fd8bae937917ca3ec4926a7db525fe3e8fcd3b235bbbce

    SHA512

    8e6795fdf90b0bb942c67e9253670b79b79f0380b99428a5ab8123687ebe24281ca3dc2348afae1dbc24b7093bb98454347df7985c683fe820e46ac5b1bc2798

  • memory/4848-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4848-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4848-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB