Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 18:11

General

  • Target

    49470f740385ba5db554c0975f10b746_JaffaCakes118.exe

  • Size

    155KB

  • MD5

    49470f740385ba5db554c0975f10b746

  • SHA1

    f2bb8f28800f7ec6f9e748a5133790765bcca74d

  • SHA256

    e3127d7775fa25d525e194d50ebdaff0e2ee07958a785f459362fae9ca804bce

  • SHA512

    546b689f3283b642c48178c7b3acd302551ba1467d82c8f1899bf71cbf9c97735250db3cc31c235bbb1e85e728fde6021026b82ef64c10587b6f6d1420efd11a

  • SSDEEP

    1536:JxqjQ+P04wsmJCFXPXbgwICjPEfeHUkIII0KDD8Xbs0RlSjMJ6NVKtmF/dBe10oh:sr85CFXPbgdCLfIjdD9cSRyGbhfUt

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.

  • 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\49470f740385ba5db554c0975f10b746_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\49470f740385ba5db554c0975f10b746_JaffaCakes118.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:1568
    • C:\Users\Admin\AppData\Local\Temp\3582-490\49470f740385ba5db554c0975f10b746_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\49470f740385ba5db554c0975f10b746_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2248

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\49470f740385ba5db554c0975f10b746_JaffaCakes118.exe

    Filesize

    115KB

    MD5

    90cc0f0070ef9529336dece47770c22e

    SHA1

    ed0a3874f09909d20b0dce3310620401204c8f03

    SHA256

    74e2a04d276c65ed5002ba36a6d394e7a14034572f9a27455fd9579dced1971d

    SHA512

    710b6e91e0d9b594d3fc6e17f9f31fde1383122e4e3e47eb13b057ec13c9c847773fac55f0e8004b613501ba47fd5ead71b8f792c424e685e7f6b53dfcd79ad8

  • memory/1568-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1568-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1568-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB