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
    02-01-2025 06:09

General

  • Target

    JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe

  • Size

    795KB

  • MD5

    63217690b18591567f21edbd5c7a4fd2

  • SHA1

    f0bfe15791aae91805eff3e86f0d91c3175373a7

  • SHA256

    8021817db6f26ad03bf6fbc0527fe665831b14fc4437d275535ed03866d6ce0e

  • SHA512

    8cd26eebe07adf74c5c98a1efd32388112325080ce88c329bb4c95d7c77bcc500a196072c1c45d18483491f95f385c7cca9b73a2194895805caa255d2a6273e0

  • SSDEEP

    24576:NKvtYQ1xcr3NjJNyW5QyDmp7zahdzMtXWeP:NxhFmZGhdzkXWy

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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.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:1004
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63217690b18591567f21edbd5c7a4fd2.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1980

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_63217690b18591567f21edbd5c7a4fd2.exe

    Filesize

    755KB

    MD5

    84ed2b31a17481a7ebcf7c917272597a

    SHA1

    29c2381c9f7edee4dd3c65dae66c00ef962fb5a6

    SHA256

    6a8e57c4cebbb2461eca4021529e5b3265b4a91a39a679278a6d07156b727ddf

    SHA512

    d05700cf68cd5d490de058ef0c6140b13ce7416c3d3d2632e48ab085c841be907a9d36d26b440bbe00ba710373c3e70a39b1c5e053f6071eead171d63cac049e

  • memory/1004-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1004-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1004-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1980-101-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-103-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-97-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-95-0x0000000000C70000-0x0000000000C71000-memory.dmp

    Filesize

    4KB

  • memory/1980-100-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-9-0x0000000000C70000-0x0000000000C71000-memory.dmp

    Filesize

    4KB

  • memory/1980-102-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-94-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-104-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-105-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-106-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-107-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-108-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-109-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-110-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB

  • memory/1980-111-0x0000000000400000-0x00000000004C8000-memory.dmp

    Filesize

    800KB