Analysis

  • max time kernel
    148s
  • 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 07:54

General

  • Target

    JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe

  • Size

    225KB

  • MD5

    63a2c2325c460b5a244237a24def7450

  • SHA1

    4b862266c142582cfdc0bdd472925f10f1ca578d

  • SHA256

    407ae4d5f5bed6deb4aede4392d1f1d99956eea308a1965d8de7449e792d3bc7

  • SHA512

    3a674cb8a9ae5918a51f2d4e704d3158cee356c734f636f00d999373bf89d6d3916db2b550c18c9265070cf458452a449123358af278ee508dde614938de57d8

  • SSDEEP

    3072:sr85C/qoo7zQTXb4apSL7Nt5FRmBTBfusBQfFBYIjZqMNds1fpDMtkAy8i3ro/gZ:k9/JoQTX5pS9t7RmBTBjEbvy1YkssroI

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_63a2c2325c460b5a244237a24def7450.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63a2c2325c460b5a244237a24def7450.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:3116
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_63a2c2325c460b5a244237a24def7450.exe"
      2⤵
      • Executes dropped EXE
      PID:2832

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_63a2c2325c460b5a244237a24def7450.exe

    Filesize

    184KB

    MD5

    aa2f3d9f789f071f90b398cc7d40330e

    SHA1

    4589fbd61132d47222c29ebd227c45760a44d608

    SHA256

    94da735d7675816f9f338f4db1800648d36e5ea6154ac8975cdc7e9691a10a03

    SHA512

    39c2e6dc8f6b83bcc99c6b8e1a80d4f36effaf0edcd11d493c54228a5cb605d8d61af8f8ddbc9e65f2d5a02fc0e69cfbedec09c54eb8413251d711394b6acd0a

  • memory/3116-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3116-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3116-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB