Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 23:03

General

  • Target

    fd76949039461524f1941d6286ebc186_JaffaCakes118.exe

  • Size

    214KB

  • MD5

    fd76949039461524f1941d6286ebc186

  • SHA1

    2f27af0e618cc1973627ab9f0219483c485a757e

  • SHA256

    693cbf578b98fd96bb751d7c6e735e8b004d2f041580f2110d75159ddc08f779

  • SHA512

    780470a7335f4e178e7720370a014559b532a8347235ca1c9ff16c5b4fac1687f8b1ee5eef41d81e374fbc2116b9231f36ea64f4bea7743cf338ee8364c0a977

  • SSDEEP

    3072:sr85CLunTeCLMnrzt45drTfrHjzJG55nGpi0NW3avFMZ:k9Lu654rrTLjE55GEAxF2

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\fd76949039461524f1941d6286ebc186_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd76949039461524f1941d6286ebc186_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:388
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fd76949039461524f1941d6286ebc186_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fd76949039461524f1941d6286ebc186_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4000

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\fd76949039461524f1941d6286ebc186_JaffaCakes118.exe

    Filesize

    174KB

    MD5

    d28774ba03593a46edd5745b179676fc

    SHA1

    3bb4da25be765820957f29288e2e1fdf97ae4860

    SHA256

    baa4652cd7bbd817084f7eb65640271b61828e82badbaab2221c6c3756db5418

    SHA512

    81cd433732f9113f1f8d860cff476e57dab17b17ac4e99d27744bac986317e9400d6c62c568fedfbe35dd95e315f6c75af208e03406ce474dfe84dc0e2a9abee

  • memory/388-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/388-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/388-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB