Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 08:10

General

  • Target

    JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe

  • Size

    1.7MB

  • MD5

    a904074909010cf6dfc214697e6a3c1a

  • SHA1

    72ff03c6b3c8ebcbe5a70233b010340f04ff9480

  • SHA256

    35a88493460a356438d1232431aba9b9074b55a52356786b2682a972d7971064

  • SHA512

    844ba2b38019d78d62bc86f8fbb7904e15e2e423fd124418766d4d2d55e5583744231990beab2003541f0e68413544093340fe70cba4ee75849ea673928f9882

  • SSDEEP

    49152:rHeM7+gpUTJPWTyKWtvCcaOSjFk70BsCev:rHeMH6+TyDtvC2it+

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_a904074909010cf6dfc214697e6a3c1a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.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:2900
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_a904074909010cf6dfc214697e6a3c1a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4232

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_a904074909010cf6dfc214697e6a3c1a.exe

    Filesize

    1.7MB

    MD5

    b7c507232384dda71a34edb3464a7259

    SHA1

    6d7c3c9327302d2c027d98c04eb23bbd6789d4af

    SHA256

    000da1c05768419deb55e4e1e2b6fb047a76a048ecc60687608699dc0a445f87

    SHA512

    b74807f0a40c2d67a5395c648ffbc34eb116d02de65b46dc948b780e50f88eeead619263be7854e6ae4b7d4dc8631dbabd98623ba9b905ebf2113625f6adfbdd

  • memory/2900-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2900-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2900-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB