Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 13:30

General

  • Target

    94fa4ab26e4e3c9f5bbe643d932055b3_JaffaCakes118.exe

  • Size

    130KB

  • MD5

    94fa4ab26e4e3c9f5bbe643d932055b3

  • SHA1

    5e28bfe884c5d516bcca1660b741c0e7382a6fcb

  • SHA256

    67e3cadc333b8cdc93550f988f93bc09c22161b4bdd5dc61e29bbaf78c814aa8

  • SHA512

    c8b1acacb6313e698d98b8884602dc1467591dfa8f6d325af8a679baf7d755172f821b7be7874fc441fca557d0f25c692a3760cfcd61ad94e7a28fb5c95e0ada

  • SSDEEP

    1536:JxqjQ+P04wsmJC2Vloa2rYsbOvZlC/U+Sqkw6nPYa1GYv+8VLpsGD:sr85CFAvZoM+Sq/1WvRLGu

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\94fa4ab26e4e3c9f5bbe643d932055b3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\94fa4ab26e4e3c9f5bbe643d932055b3_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:4468
    • C:\Users\Admin\AppData\Local\Temp\3582-490\94fa4ab26e4e3c9f5bbe643d932055b3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\94fa4ab26e4e3c9f5bbe643d932055b3_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:640

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\94fa4ab26e4e3c9f5bbe643d932055b3_JaffaCakes118.exe

    Filesize

    89KB

    MD5

    d72deac44daeb81dfb7c41bdbee24e29

    SHA1

    6bb7c8732595ab4d30d652f62ca342783a255ad4

    SHA256

    e4395c51ea48018997baaaa2a0292167b7f269ddc6bf0a12e0a780e872e5331a

    SHA512

    1a3450afb770a488db9793bed6b7135a285c8eb5e4f1a44117aa3ab26177cfdb4c8f5a31369f57fef0ee22584e1c04cec066be611d5ba8cbdb3f5f1b79d72a1f

  • memory/4468-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4468-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4468-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB