Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 16:24

General

  • Target
    a67b1993186041776a15ae97fcc99d36_JaffaCakes118.exe
  • Size 1.6MB
  • Sample240613-twmmaazfml
  • SHA256 8c6118146bda7b7f51946083e365ef66f122602eeca7b44559bbcf9f3e33c0f4
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 15 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 48 IoCs
  • Suspicious behavior: EnumeratesProcesses 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a67b1993186041776a15ae97fcc99d36_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a67b1993186041776a15ae97fcc99d36_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Program Files (x86)\picview_202406131624\202406131624\picview.exe
      "C:\Program Files (x86)\picview_202406131624\202406131624\picview.exe" -tuopan
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Program Files (x86)\picview_202406131624\202406131624\OKS.exe
        "C:\Program Files (x86)\picview_202406131624\202406131624\OKS.exe" -W
        3⤵
        • Looks for VirtualBox Guest Additions in registry
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        PID:2280
      • C:\Program Files (x86)\picview_202406131624\202406131624\picbus.exe
        "C:\Program Files (x86)\picview_202406131624\202406131624\picbus.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1304
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        FrmAdvert.xml

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\Data\FrmAdvert.xml
        • Size 185B
        • SHA256 28e029c2f5fa029d277a7f91d4919900ba5bafa2e8608c3e74aa0c0b15cb97d5
        • MD5 SHA1 SHA512

        FrmTrayWebAD.xml

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\Data\FrmTrayWebAD.xml
        • Size 682B
        • SHA256 a224f80f0554104d29e43627413a65bcd01c02eab10404da93bb593120012d48
        • MD5 SHA1 SHA512

        WinMainFrame.xml

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\Data\WinMainFrame.xml
        • Size 2KB
        • SHA256 ee8e4b02157b8176a56c358285f82ee36a12be29eaaf6c9dd77efc30b1674a62
        • MD5 SHA1 SHA512

        tongjiData.ini

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\Data\tongjiData.ini
        • Size 112B
        • SHA256 960fa9cc7df516ee5184f8e03edd55cbe3f4ca85fac4f12064c8db2c78848d84
        • MD5 SHA1 SHA512

        DuiLib_u.dll

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\DuiLib_u.dll
        • Size 401KB
        • SHA256 c919175dfc6ad57f8b0b38e2c3f8958bfe1ff257cfb356ea0e6613011ab57498
        • MD5 SHA1 SHA512 SSDEEP

        MSVCP100.dll

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\MSVCP100.dll
        • Size 410KB
        • SHA256 d2f6b30e507bfa6294cd588abcb52645fee069d5f38fedc1bce93e2a06056274
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR100.dll

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\MSVCR100.dll
        • Size 754KB
        • SHA256 6f0ce2263db465bd4443534cee1c647dfe86e2684dd5609755d7d330788e733c
        • MD5 SHA1 SHA512 SSDEEP

        OKS.exe

        • Path C:\Program Files (x86)\picview_202406131624\202406131624\OKS.exe
        • Size 373KB
        • SHA256 b998495310e3d81eeaf3a9d5d1edd686810a6927c6acec7ed19f570cffcb6f9c
        • MD5 SHA1 SHA512 SSDEEP

        picbus.exe

        • Path \Program Files (x86)\picview_202406131624\202406131624\picbus.exe
        • Size 171KB
        • SHA256 d3a4c6cd6652f48be4f08b3fc82f1351aeb9b9665a4bf84afc20fc8f5155a021
        • MD5 SHA1 SHA512 SSDEEP

        picview.exe

        • Path \Program Files (x86)\picview_202406131624\202406131624\picview.exe
        • Size 582KB
        • SHA256 50aaaebe0b360b059534e5a6c7f8fea34357a9ce6dff07851a07a7015df45855
        • MD5 SHA1 SHA512 SSDEEP

        memory/2280-112-0x0000000000400000-0x00000000004F0000-memory.dmp

        memory/2280-114-0x0000000000400000-0x00000000004F0000-memory.dmp

        memory/2680-96-0x0000000000380000-0x0000000000381000-memory.dmp

        memory/2680-105-0x0000000004310000-0x0000000004400000-memory.dmp

        memory/2680-102-0x0000000004310000-0x0000000004400000-memory.dmp