Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 21:38

General

  • Target

    JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.exe

  • Size

    570KB

  • MD5

    685fd3ee66ed888d8067d5cf8f3f0b90

  • SHA1

    c483f9719c6aa4042e74abc572a02fcc80eb4e28

  • SHA256

    9f9b75628369da6f730effc4f67d5e453c33402960e898af90ee75b53a4e6004

  • SHA512

    9a9c22e149ee04550f4e3c3f6ac16682a08e7e059208c1fddd1f132691f83c28d6e3c6b8a054cb425f75153ac44f57775ea0cf3e06e07424c9563becfcd57b71

  • SSDEEP

    6144:k9paoYNDnNqdpQ+aoQYmwplhAzYloNVv6lYDSEdjFedCYo2HMzUPhmmlw70Yz3G7:GAnNmpQ+aoQY7FAEloNVv6NQjuM5mSC

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\JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.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:1372
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3884

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\JaffaCakes118_685fd3ee66ed888d8067d5cf8f3f0b90.exe

    Filesize

    530KB

    MD5

    ed1c7bd2bf7f1d519ced81589b2d548a

    SHA1

    81916f89d2a178802435c8abd88751638605b313

    SHA256

    f16d1ddb62aad791fbd6d60b7eea042922ac95764c3cbfcb3b39b0cb9d238b92

    SHA512

    c97fb7565b286df89a5bf7a423135fcedddca612e7fcb5e47c320a27edc241c4fc7ff05310283d98a400e44df7e7ddf4ddd79513a9441e9d5de7d9e66f3ac5e7

  • memory/1372-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1372-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1372-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3884-12-0x0000000000E90000-0x0000000000F1B000-memory.dmp

    Filesize

    556KB