Analysis

  • max time kernel
    93s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 04:31

General

  • Target

    JaffaCakes118_77a564dabcbe0e399ea58217ad892980.exe

  • Size

    158KB

  • MD5

    77a564dabcbe0e399ea58217ad892980

  • SHA1

    d0ba2a33df2928eb4f0607ad22d324159af21040

  • SHA256

    18d16ff3b0c950777bbab0b8aac652101c20bb64b2940cce4cddf66b0e78b5fd

  • SHA512

    2a9ae185b253effcd9793873124dc347f17ffdf135f3c188b6b7f124606f09ff216fb91fb9a46992f9f888ca05e0390305fa7e39d8e262f4231003044ffc2aad

  • SSDEEP

    3072:sr85CE7ORbK3526lh32LRHJT2UXrdPsxMBMLn:k9TOp21HrXrkMBMr

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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77a564dabcbe0e399ea58217ad892980.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77a564dabcbe0e399ea58217ad892980.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:2488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_77a564dabcbe0e399ea58217ad892980.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_77a564dabcbe0e399ea58217ad892980.exe"
      2⤵
      • Executes dropped EXE
      PID:636

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_77a564dabcbe0e399ea58217ad892980.exe

    Filesize

    118KB

    MD5

    f9dc81db5e2883b8058bedb0c38d9144

    SHA1

    e3268a21cb1365569d018b1d381a7978caa75756

    SHA256

    64b598a1efeef157db6202b9ac8c8e7c74ad8d62db98fca15887c6206fe9a7cf

    SHA512

    1b41dcf811d15226387c3cc020e49f203e70634c84f0a5f3e056f9895271c5949abae5f59708e774bdbf80e9d51eee3ead21447efb7ca1e83b0f22810b404fef

  • memory/2488-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2488-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB