Overview

overview

7

Static

static

1

8a42e83613...18.exe

windows7-x64

7

8a42e83613...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 10:57

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General

  • Target
    8a42e836131fa2ba1fd7b3d6f66f053d_JaffaCakes118.exe
  • Size 4.1MB
  • Sample240601-m2fycsae5w
  • SHA256 0f26bd9872ac6d503ac68a65b344a34011782938689bd72d82b2ce3def0a21be
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
adwarebootkitdiscoveryevasionpersistencestealertrojan

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 8 IoCs
  • 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
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

    stealeradware
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a42e836131fa2ba1fd7b3d6f66f053d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a42e836131fa2ba1fd7b3d6f66f053d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Roaming\SogouGameDownload\SogouGameDownload.exe
      "C:\Users\Admin\AppData\Roaming\SogouGameDownload\SogouGameDownload.exe" &sp=docid:11883053521021790060;category:5;title:《国际象棋》 欧版;local:1;
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Users\Admin\AppData\Roaming\SogouGameDownload\sggamedlupdate.exe
        "C:\Users\Admin\AppData\Roaming\SogouGameDownload\sggamedlupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of SetWindowsHookEx
        PID:4928
    • C:\Users\Admin\AppData\Roaming\SogouGameDownload\bin\download\MiniTPFw.exe
      "C:\Users\Admin\AppData\Roaming\SogouGameDownload\bin\download\MiniTPFw.exe" -n C:\Users\Admin\AppData\Roaming\SogouGameDownload\bin\download\MiniThunderPlatform.exe
      2⤵
      • Executes dropped EXE
      PID:2744
    • C:\Users\Admin\AppData\Roaming\SogouGameDownload\SogouGameDownload.exe
      "C:\Users\Admin\AppData\Roaming\SogouGameDownload\SogouGameDownload.exe" -installprotocol
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:3604
    • C:\Users\Admin\AppData\Roaming\SogouGameDownload\DownloadCom.exe
      "C:\Users\Admin\AppData\Roaming\SogouGameDownload\DownloadCom.exe" /regserver
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      PID:4740
    • C:\Program Files (x86)\sogoufinder\findermateupdate.exe
      "C:\Program Files (x86)\sogoufinder\findermateupdate.exe" -killBD
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:4092
    • C:\Users\Admin\AppData\Roaming\SogouGameDownload\sggamedlupdate.exe
      "C:\Users\Admin\AppData\Roaming\SogouGameDownload\sggamedlupdate.exe" -setupfinish
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4416

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        CloudSetIcon.dll
        • Path C:\Program Files (x86)\sogoufinder\CloudSetIcon.dll
        • Size 166KB
        • SHA256 ba887d772ab6fbb7549fb28070351e6db86b54a0b8218f865c7b9f5c83b245d0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SiteList.dll
        • Path C:\Program Files (x86)\sogoufinder\SiteList.dll
        • Size 134KB
        • SHA256 391977bb90ae6c535d59acecf9754bdc78aef184fa8c1cc2134a58d42d8fedc2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        findermate.dll
        • Path C:\Program Files (x86)\sogoufinder\findermate.dll
        • Size 284KB
        • SHA256 af11a593f6363bc21e59570efad378c112b6538ab52410a7556e08453b35d633
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        findermateupdate.exe
        • Path C:\Program Files (x86)\sogoufinder\findermateupdate.exe
        • Size 738KB
        • SHA256 35023c00453270b16931790bb3cba69873e9f285490bfa350d54b1f94a7f8dd4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        AuxModdl.dll
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\AuxModdl.dll
        • Size 63KB
        • SHA256 3167617f1272fae624d6a7018e759a2e7a17c84df865d0f1566e8b82417a1b70
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        CloudSetIcon.dll
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\CloudSetIcon.dll
        • Size 166KB
        • SHA256 40215ed1038276585f6543c46a521cf7fef9d49abb738fb7262fc18df3bf882c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        DownloadCom.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\DownloadCom.exe
        • Size 127KB
        • SHA256 cb2fc22c471e42c1b1f80fb3d3c455502e1880f837a230c44e6be50e7347ee88
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SGlibDUI.dll
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\SGlibDUI.dll
        • Size 308KB
        • SHA256 da0848687b309fa00e5e685c072c0b99a12dc1f2b10a613a19c119243f6f30d2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SogouGameDownload.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\SogouGameDownload.exe
        • Size 602KB
        • SHA256 cc8d61cc32e5e955840e613fd73ad63cca21e56f957aa597882a9e607d658fa6
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        MiniTPFw.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\bin\download\MiniTPFw.exe
        • Size 58KB
        • SHA256 f02fa7ddab2593492b9b68e3f485e59eb755380a9235f6269705f6d219dff100
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        dl.skn
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\dl.skn
        • Size 78KB
        • SHA256 88d63877c38b36a8d6af3b96b4a31331a5f8e849744501dc0bceca29b54fe603
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        sggamedlupdate.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\sggamedlupdate.exe
        • Size 720KB
        • SHA256 a34a0d1dde5f941741a5fc3823522644b696a0d40e03585b36adb4e36bf693dd
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ExceptionReport.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\sogoufinder\ExceptionReport.exe
        • Size 90KB
        • SHA256 eee8c647f3960031c3cbcb59745198379268ca388df9454ff05b115743e1326c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        uninst.exe
        • Path C:\Users\Admin\AppData\Roaming\SogouGameDownload\sogoufinder\uninst.exe
        • Size 118KB
        • SHA256 02d6e4bc880d97644de1b844477d8791c77038ca9f8ae3777e866e0e3b3543c0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2892-0-0x000000006FFF0000-0x0000000070000000-memory.dmp
        Download

        memory/2892-2-0x0000000003B90000-0x0000000003B91000-memory.dmp
        Download

        memory/2892-142-0x0000000003B90000-0x0000000003B91000-memory.dmp
        Download