Analysis

  • max time kernel
    92s
  • max time network
    94s
  • 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 16:35

General

  • Target

    JaffaCakes118_6685ef2968c44a5ff2922a577afa916e.exe

  • Size

    193KB

  • MD5

    6685ef2968c44a5ff2922a577afa916e

  • SHA1

    cef995d8d2194397b58917562130469d4bc198f5

  • SHA256

    3d0b4527974e06dbbc9cd307940d3c1a7ceace2d39ccfd26ddef94bdd75721ec

  • SHA512

    613c75f7bef956ce5eabf52f8bd6024fbf9d4ca489880a15962a811231d7a7ad5b4bec466168a74a9c58e140f73b734643a14b5a8b32ddf89894f57f44e978ff

  • SSDEEP

    3072:sr85CPbhbfNaf/dmIMMHstoqmskG+SzLEhA32LEhA3T:k9lbfNaf/7j5C4AO4AD

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_6685ef2968c44a5ff2922a577afa916e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6685ef2968c44a5ff2922a577afa916e.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:3472
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6685ef2968c44a5ff2922a577afa916e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6685ef2968c44a5ff2922a577afa916e.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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_6685ef2968c44a5ff2922a577afa916e.exe

    Filesize

    152KB

    MD5

    437fe3c0eedc036d44dfe4c220053416

    SHA1

    019410d5812ef9f086aee2dcfadce5eabc9e0460

    SHA256

    7423861d5f1dd878aff7649db513825f3b68f0c27e3c8be7d2cfb43666b98ca6

    SHA512

    bf98801f29e486bd39586b273f95df17417ae38a6cb0739b2c4413420bd98f3e4b5e7594ea107f51fbd3521e0fe45f458b380808330cbba6aa4d8de057dd755f

  • memory/3472-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3472-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3472-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB