Analysis

  • max time kernel
    136s
  • 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
    02/11/2024, 13:40

General

  • Target

    85ba0cf808369a2fb2793eeda0c32166_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    85ba0cf808369a2fb2793eeda0c32166

  • SHA1

    36156802fc8e0547e682d41de98abb29521da64f

  • SHA256

    a999000c28d29b30df66380aec03a3aa102ace5bde95fc902feb8a061ba11e6a

  • SHA512

    c897d67eedce3ad0947870a2a47528b6d0ca231e99440302e8902e71a6f77debca0eea342d71776b11338611c23ff9be9a28c5f5a564ded7e04e6a55bc1a4d74

  • SSDEEP

    3072:kr85Cfh9A4uZmNYemkGug3gsdTJOtZJsoKQfc3Yb5v6tJOTuf:c9fD1ukYBvgMTe2QfEYv6tJp

Malware Config

Signatures

  • 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\85ba0cf808369a2fb2793eeda0c32166_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85ba0cf808369a2fb2793eeda0c32166_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:916
    • C:\Users\Admin\AppData\Local\Temp\3582-490\85ba0cf808369a2fb2793eeda0c32166_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\85ba0cf808369a2fb2793eeda0c32166_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3868

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\85ba0cf808369a2fb2793eeda0c32166_JaffaCakes118.exe

    Filesize

    148KB

    MD5

    affd7aa9326cb5865db61fb260690bc6

    SHA1

    61536f5710e27718df6fcfcccaced30776167cdd

    SHA256

    55a710b0998185a3172b23621acd96208cdb4a891f8962d904cef193fb8c51a6

    SHA512

    e9fa71266ca6796073a41fe21c1821134bad1849861ce98d91b93a18f5694891c3ba204df023cff8adc02ed024c4eadbc740fab98e20fe72660e7300776db036

  • memory/916-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/916-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/916-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB