Overview

overview

8

Static

static

3

3b66a29bba...18.exe

windows7-x64

7

3b66a29bba...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 18:05

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General

  • Target
    3b66a29bba9005dd9f796ef74be3c641_JaffaCakes118.exe
  • Size 985KB
  • Sample240512-wpjm6acd68
  • SHA256 ff2000e413fb9150443032b73db4fa651e7f8996d37e9ce95c102f5de4ff3e28
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 6 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 33 IoCs

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

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

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

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b66a29bba9005dd9f796ef74be3c641_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3b66a29bba9005dd9f796ef74be3c641_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\ProgramData\defender.exe
      C:\ProgramData\defender.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2612
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3448
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3764
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4892
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1032
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SendNotifyMessage
      PID:4176
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SendNotifyMessage
      PID:2128
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4564
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4052
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4400

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        defender.exe
        • Path C:\ProgramData\defender.exe
        • Size 858KB
        • SHA256 6faac37c0bffe19fcfbeb5304e62a73af9b5cff030b981b255c2d3d466b94a91
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        IconCache.db
        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 17KB
        • SHA256 f0433ec627b98f012fabd7dce91e1d91eb98accb5bbfc93f4230b1e47e7307ac
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1022B
        • SHA256 c81411286e5464575446e3bc6225c74dc349fbb4950e52f82e26b7d26cb080d1
        • MD5 SHA1 SHA512
        Submit Download

        {2347D99C-B4EA-47A1-8B94-F78E112057E2}.png
        • Path C:\Users\Admin\AppData\Local\Temp\{2347D99C-B4EA-47A1-8B94-F78E112057E2}.png
        • Size 6KB
        • SHA256 8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        Malware Protection.lnk
        • Path C:\Users\Public\Desktop\Malware Protection.lnk
        • Size 679B
        • SHA256 3e786fe16cda6321b65744833eac836c5635754fe93399cf2e423f6c6ca2160a
        • MD5 SHA1 SHA512
        Submit Download

        memory/2396-26-0x0000000000400000-0x00000000006E7000-memory.dmp
        Download

        memory/2396-1-0x0000000000740000-0x0000000000750000-memory.dmp
        Download

        memory/2396-2-0x0000000000400000-0x00000000006E7000-memory.dmp
        Download

        memory/2396-9-0x0000000000404000-0x0000000000405000-memory.dmp
        Download

        memory/2396-0-0x0000000000400000-0x00000000006E7000-memory.dmp
        Download

        memory/2612-81-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-71-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-19-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-95-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-18-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-94-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-15-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-43-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-93-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-55-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-17-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-70-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-69-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-25-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-72-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-79-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-80-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-14-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-82-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-87-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-88-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-89-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/2612-92-0x0000000000400000-0x0000000000A26000-memory.dmp
        Download

        memory/3448-30-0x00000000045A0000-0x00000000045A1000-memory.dmp
        Download

        memory/4052-54-0x00000000032A0000-0x00000000032A1000-memory.dmp
        Download

        memory/4892-33-0x0000000004560000-0x0000000004561000-memory.dmp
        Download