Analysis

  • max time kernel
    96s
  • max time network
    144s
  • 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 19:20

General

  • Target

    JaffaCakes118_679b1f15258c01d0d7aa8590ce0d6730.exe

  • Size

    120KB

  • MD5

    679b1f15258c01d0d7aa8590ce0d6730

  • SHA1

    bef27a61f3749ff533f4c6410974e2f2c12c3cba

  • SHA256

    d09b14a52242341d454b3d78c0e50425c464906122c7e998d459595553b57a21

  • SHA512

    3cab4fd0489b4673f40d47146e9471172ee254878d7fca52aab7ba7c671dadbbb499f85ca03c1d90af07623faebc2531a921a2b0008ea32dba57a761dcb8eb6e

  • SSDEEP

    1536:JxqjQ+P04wsmJCIn5aDdvmMLj85vDyV127Dh94VeKLnL6gDEbtNyZIvPw:sr85Cjvmqj85vDyGULnOEj

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_679b1f15258c01d0d7aa8590ce0d6730.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_679b1f15258c01d0d7aa8590ce0d6730.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:3876
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_679b1f15258c01d0d7aa8590ce0d6730.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_679b1f15258c01d0d7aa8590ce0d6730.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4512

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_679b1f15258c01d0d7aa8590ce0d6730.exe

    Filesize

    80KB

    MD5

    e97845d49e80750f84490615cc1888c8

    SHA1

    9c4188b8509d6ce18ed06c635ff4c60f24a9b0df

    SHA256

    8ec6d38a01ea6d346e486390dce5708b90609ce3f798456840eecf5fb0971a54

    SHA512

    23a99f6133b3d8980874d0f09745869b3b738b0ea61dbd3de771a99459ffff2a4c5cee2cbcb37d5f4473de02b32e4f354c1e1f9c62e795e3cfd9f3b5e3f502f5

  • memory/3876-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3876-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3876-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB