Analysis

  • max time kernel
    96s
  • max time network
    146s
  • 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 11:25

General

  • Target

    JaffaCakes118_64bba5834ef5776fe5c4983888315ed0.exe

  • Size

    229KB

  • MD5

    64bba5834ef5776fe5c4983888315ed0

  • SHA1

    cebadd241ab42f9dbc55644833aa70a6c78b9f81

  • SHA256

    249aa506f8993087e5813dc01c4e3287facb8359d796355d509d05b0f2be3c58

  • SHA512

    46f34542a5563bd20406b51e038a3cb743033b618b9742d29bb33a52a6289dd12c80485ded9ee2890550b4a4135a2f5d267a4b8674f93f93d4a41e51903a9946

  • SSDEEP

    3072:sr85CmuZnUFc0OFl6XQce00SkQgnRVTyOqCXHlMtW3yKRp4HgvyOqCXHlMtW3yKP:k9eC85sTrq2kWC6p4Anq2kWC6p4A5

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64bba5834ef5776fe5c4983888315ed0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64bba5834ef5776fe5c4983888315ed0.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:384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_64bba5834ef5776fe5c4983888315ed0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_64bba5834ef5776fe5c4983888315ed0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4088

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_64bba5834ef5776fe5c4983888315ed0.exe

    Filesize

    188KB

    MD5

    f5e96409196b805e7e3859772523ba86

    SHA1

    27967e284e5d7dbeec71119c87dfc8962319ae97

    SHA256

    db4e7748ed4ae97577c1758fa05f40671c4d59a7519b7fd00faee8c2ddb8fbdc

    SHA512

    837e181f92b5be6fdddd126febb6a0a8ccd3ec5fcc85e6a24981d28e88d5b38e50753daeabac4c81ccfa10b12273484eb2e8e562499195274f8f6b6d286b8cff

  • memory/384-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/384-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/384-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB