Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2025 06:42

General

  • Target

    JaffaCakes118_6ad8fdfda7bf534a257b94bc65ebdce0.exe

  • Size

    378KB

  • MD5

    6ad8fdfda7bf534a257b94bc65ebdce0

  • SHA1

    963f46143517598e2b3a50391fae8154f173f8d1

  • SHA256

    0daf153a481c9e8a9b8a6194320a68798afd9dec7d6c66b5d9065a85b3596017

  • SHA512

    6f7172f15f5ebb780f83fba22f75cf1fff6597db88503e275a2bd46f0641ff652a783b65ea225eb22cdd06e7e5226f281d9597ef3ec3af45f34114994750b3b7

  • SSDEEP

    6144:k9ddnD2gHgLeNW8PH3swQbhIcRDm5Rjfs+ue34gue34gH:yD7HXNJP3sXNHDm5R7sA1H

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
  • Loads dropped DLL 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.

  • NSIS installer 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ad8fdfda7bf534a257b94bc65ebdce0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ad8fdfda7bf534a257b94bc65ebdce0.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:4384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ad8fdfda7bf534a257b94bc65ebdce0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6ad8fdfda7bf534a257b94bc65ebdce0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:980

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_6ad8fdfda7bf534a257b94bc65ebdce0.exe

    Filesize

    338KB

    MD5

    555daedec3877c005bc6147bd1f523ac

    SHA1

    542675db6ffd4dbd6b2f576e805abbf3f0a95619

    SHA256

    b3e43f202a1337a3ba4e46f3e0aa692d1041d1355c46465af6a1c5cc154beb1a

    SHA512

    3bfb3186d0cb27db7cdcab12295a674857d366e69a476ded14552f034bd118e68b8a956c28cc5bee70d19ccafb6ec8ed121782fdb52aab585bbdff2c5284318c

  • C:\Users\Admin\AppData\Local\Temp\nsjB680.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • memory/4384-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4384-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4384-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB