Overview

overview

7

Static

static

3

JaffaCakes...d5.exe

windows7-x64

7

JaffaCakes...d5.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    147s
  • 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
    21/01/2025, 16:25

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General

  • Target
    JaffaCakes118_05e3d56441c737393d2487b3ddaac0d5.exe
  • Size 2.1MB
  • Sample250121-tw4wkasraq
  • SHA256 d9e5e3375d594e424af934e76e3082f4ddb10e0a6a97bcb64efd85312d2754fc
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
adwarediscoverypersistencespywarestealer

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 17 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 55 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05e3d56441c737393d2487b3ddaac0d5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05e3d56441c737393d2487b3ddaac0d5.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe" /d
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4028
    • C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe
      "C:\PROGRA~2\MYWEBS~1\bar\1.bin\mwsoemon.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        MWSOEMON.EXE
        • Path C:\PROGRA~2\MYWEBS~1\bar\1.bin\MWSOEMON.EXE
        • Size 28KB
        • SHA256 68ea0e8582cdc685bce23a12792b8d40af17cbeb92c151478a814bc23e0a4770
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3CJPEG.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3CJPEG.DLL
        • Size 128KB
        • SHA256 239c0a341a817f5490573634e34f2b94ba92584b0489f86a4568e465490954b2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3HISTSW.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3HISTSW.DLL
        • Size 244KB
        • SHA256 b5caad4e6c5839d16f264d80548943e82013bc42fbe3315553861b5dd6d4bd4d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3HTMLMU.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3HTMLMU.DLL
        • Size 124KB
        • SHA256 d8ed9fc2b26994154766bb1d6579e0077db4248a306afb50d5ed819744957dd3
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3POPSWT.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3POPSWT.DLL
        • Size 112KB
        • SHA256 0beddac0219e93a80c976be0ae7f5aa77ae1184dc387050e2b13e955fbb34763
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3REPROX.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3REPROX.DLL
        • Size 84KB
        • SHA256 0a0d3c3a1cfa23ea9ae73100c38fcded73abfd9d0a3e2fa61deaceb62e8c8f62
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3RESTUB.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3RESTUB.DLL
        • Size 24KB
        • SHA256 a3bbeab90b9e056fce5f35fe8a5aa11ccf564a695b23a3b75fa22d9edf436035
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3SCRCTR.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3SCRCTR.DLL
        • Size 276KB
        • SHA256 97770b85780667d51e934684773d9ff794e51d8c11cb4f4f461cf1ba78d1f77c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        F3WPHOOK.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\F3WPHOOK.DLL
        • Size 20KB
        • SHA256 2cf54c47ddbc69ebc4e199e11c15c202844645aa97aed823ad2ac2df54df92f3
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        M3HTML.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\M3HTML.DLL
        • Size 80KB
        • SHA256 8df81d6f54f977420d4f7532aaceeb8d8aebe461541e4eecbf0f3a3173f3707f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        M3OUTLCN.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\M3OUTLCN.DLL
        • Size 56KB
        • SHA256 c1881164bb57b58c5fa1a52fe1521c4bd77a6eb5a65713cb88a43735a3eee115
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        M3PLUGIN.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\M3PLUGIN.DLL
        • Size 44KB
        • SHA256 53b75141252729bb8143cb39e5977630808b746b8458669fcdb4019da4de9ca6
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        M3SKIN.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\M3SKIN.DLL
        • Size 44KB
        • SHA256 132e0b24e2a6a2733707d315fbc06bcd8dd8d1f82c176505a1accd64f388318e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MWSBAR.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\MWSBAR.DLL
        • Size 252KB
        • SHA256 a8df7feaaa0219ef161aa3e3ae5fc41ff268d3ef5fab6b30e6bfa4f3144e88a7
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MWSOEPLG.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\MWSOEPLG.DLL
        • Size 190KB
        • SHA256 880946bd4a907dea1f50ec47699b360da228fef547dbfc10c976d4220f6316a6
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MWSOESTB.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\MWSOESTB.DLL
        • Size 40KB
        • SHA256 364dc793fa1e7f201e60d68e83370b454695f9346fd4d55302e51d839b2ea475
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        NPMYWEBS.DLL
        • Path C:\Program Files (x86)\MyWebSearch\bar\1.bin\NPMYWEBS.DLL
        • Size 24KB
        • SHA256 87dc1ea3d9109aa23dc521291499beeb1aa55d7d3e3a0a20de2c161d4236a4ce
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        f3PSSavr.scr
        • Path C:\Windows\SysWOW64\f3PSSavr.scr
        • Size 28KB
        • SHA256 0e7652b9c9d03b9f3a6ecdc18d60c69fa419b06bcdc3712f992a6a27d89e6e9f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download