Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 00:58

General

  • Target

    JaffaCakes118_4179967ea2a4863b7fc4637f72eaa970.exe

  • Size

    1.2MB

  • MD5

    4179967ea2a4863b7fc4637f72eaa970

  • SHA1

    624d03bde0dc263f77946d6addfaec788ced24cd

  • SHA256

    777c3230e6002b043b3bb22a2c3fd4b70ac9917d833d9820e3a1d888e68f2a03

  • SHA512

    1a8ec2d8e8f970a3c575788bc0ca5524c54f8ed51268909f1b546464d21ef232d22dd2caa188287d1e4f03008c3a45a6c5d1932475836078565d11c0d1ad704c

  • SSDEEP

    24576:opSGP3ZEgRhuRKOODz6HY1SC9s6WcREFydry9uJHx9F8h+yh+C:ca+P6HpcTdnvU

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_4179967ea2a4863b7fc4637f72eaa970.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4179967ea2a4863b7fc4637f72eaa970.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:2204
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_4179967ea2a4863b7fc4637f72eaa970.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_4179967ea2a4863b7fc4637f72eaa970.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1548

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_4179967ea2a4863b7fc4637f72eaa970.exe

    Filesize

    1.2MB

    MD5

    bf7f855fecec9bb923240045b02d9cd3

    SHA1

    3f156008dcf16696251ffb33f66323442e4ec8db

    SHA256

    7c6d822fbb7d16058fa5d55a2674ff04e14af671148eaed79e81e2cd38342443

    SHA512

    fa3336a5cbf2f156b0a41f9a80403b8a780c870848a57ed2924f89db11576f4923384632313b9737003100957d8fc5ca7a99696b17aeba43ac4c9948ffa37870

  • memory/1548-12-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/1548-96-0x0000000000400000-0x000000000052B000-memory.dmp

    Filesize

    1.2MB

  • memory/2204-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2204-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2204-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB