Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 14:48

General

  • Target

    0f397d96b9ecd59d515cbd026072b7db_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    0f397d96b9ecd59d515cbd026072b7db

  • SHA1

    d78f136263f3cef3b0a435b4c337a1791192b589

  • SHA256

    8bfd41bfcf5372dfa4eeab274d9f49c507d627011a245750c022a78cea7bd30e

  • SHA512

    d93d2d865292a6742a7744f5149b7247d59aff713951eb01a8622d6242e412656d9f0021e392e34661439a48fe66bded8811a33dc090a191bf2291900f844054

  • SSDEEP

    1536:RxqjQ+P04wsmJCN3yziOboHsCRERCsjSAhTmevq1C+FC0LoHCP:kr85CYiqobKgqhhhvCC+NMCP

Malware Config

Signatures

  • 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\0f397d96b9ecd59d515cbd026072b7db_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0f397d96b9ecd59d515cbd026072b7db_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:4516
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0f397d96b9ecd59d515cbd026072b7db_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0f397d96b9ecd59d515cbd026072b7db_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4700

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

    46a879cd36559e3ba4a19a6f8e2de104

    SHA1

    86ddd4b1cd1757f5919041879eda69549a484550

    SHA256

    da15fa855ce150b1cf3b500312bf153267b7c4109e9962904a1212ec725a084d

    SHA512

    a58c002301657c4165fc77864aa3ad69a501fd037e82d42c72b1d687544dbdc8fd6d356fb7341c868caaafc449048aa0d3eff912395d1782ab585e4ef883fbab

  • C:\Users\Admin\AppData\Local\Temp\3582-490\0f397d96b9ecd59d515cbd026072b7db_JaffaCakes118.exe

    Filesize

    72KB

    MD5

    9d88d538ea044cff3c8fd817ede5af2e

    SHA1

    e9079299726f7b7a76844085ad0d2b1383c92aea

    SHA256

    3fda205c1c2f0dd7efe8dae17a2db6b19be5a8fd49e17669a30d28747b272ce3

    SHA512

    3c4ff28f3dc6707ba78d193eecc074127e2f7796958c72920e1845497b65561e62727622dd7a28b0793ba478d401be9b3a82e38527dcca405e2178d7fb055e0e

  • memory/4516-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4516-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4516-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB