Analysis

  • max time kernel
    1198s
  • max time network
    1172s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14/04/2024, 11:47

General

  • Target
    ce7104bc850c5a07a867cadb8f4bfa59.exe
  • Size 1.1MB
  • Sample240414-nx1mmsbc21
  • SHA256 cd2bc2ceb0e1b7d7c31f7a2aec7e838d3a90767ed3d02e1720170875e4a23cb6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 64 IoCs

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

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

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

  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 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).

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 12 IoCs
  • Interacts with shadow copies 2 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 58 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 45 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce7104bc850c5a07a867cadb8f4bfa59.exe
    "C:\Users\Admin\AppData\Local\Temp\ce7104bc850c5a07a867cadb8f4bfa59.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:892
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1092
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3456
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:224
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2952
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4300
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4296
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1056
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4928
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1204
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1756
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4852
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3156

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xfs

        • Path C:\ProgramData\System32\xfs
        • Size 125KB
        • SHA256 fcf589e4476848ee6f40f8d1a9279a6e0305a12ec1d74326e3cd3b694df22905
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_32.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_32.db
        • Size 1024KB
        • SHA256 7fe307ad61856ee8dd10cb90b2930d21605f757acebeb60d2c67e09542d0aa4c
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
        • Size 1024KB
        • SHA256 751bb02ddffafce04230550655eb738d861ee4787fe7971a3757516fee41773a
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 876e87ae2d94ec57b5080030439ab5bb55b3a41ea2224430a25e1f31aadef6e1
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 3885f6ba2c4c4298195b037daa4b5ceaa2e59fc44793dbff812762658910d07e
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_16.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
        • Size 24B
        • SHA256 c48e42e9ab4e25b92c43a7b0416d463b9ff7c69541e4623a39513bc98085f424
        • MD5 SHA1 SHA512

        thumbcache_16.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
        • Size 1024KB
        • SHA256 07e090ca24a221f60f1e99c6e9830af99e9d1213592c86f8906f24511644ec6d
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db
        • Size 24B
        • SHA256 d3c9d1ff7b54b653c6a1125cac49f52070338a2dd271817bba8853e99c0f33a9
        • MD5 SHA1 SHA512

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 93013c9daba885c1283a51c5f0ea20436407770237f8b90ebd95ab60ccf26366
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 f9777f3937075dca41c3d3f3db18532dcbfa61a5aeb7348f53560af1012d1791
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 7137d3ed20f0ddaf62ee41b2deb2f5f14ebc21067d00465592a6b5b069fe751d
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 6KB
        • SHA256 608b722958bd499b5d1ed13b131b273dcd5356a9a0a658a37f065a390f06630e
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 10KB
        • SHA256 5058b3657d465002c7d338e8de78781a700e9fde5a7427100b4d6fa266653cb4
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133575700601600666.txt

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133575700601600666.txt
        • Size 2KB
        • SHA256 e7abcd543a39be760c610fb1cd8a101abfffc6002e47aaf7dea39b31f94a3531
        • MD5 SHA1 SHA512

        AppCache133575700699837823.txt

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133575700699837823.txt
        • Size 67KB
        • SHA256 7763b4a38f77350aa9b514115b30f03f4e842e32278e013989d9addcfa5eae5d
        • MD5 SHA1 SHA512 SSDEEP

        SearchUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchUnifiedTileModelCache.dat
        • Size 2KB
        • SHA256 9cd63dc230be39802a2064cbf77649d1a5b7c80598a18c68dca90744af06c2dd
        • MD5 SHA1 SHA512

        www.bing[1].xml

        • Path C:\Users\Admin\AppData\Local\Packages\microsoftwindows.client.cbs_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\JNTZF06Q\www.bing[1].xml
        • Size 13B
        • SHA256 b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db
        • MD5 SHA1 SHA512

        DF2F9F46DF2F9F46.bmp

        • Path C:\Users\Admin\AppData\Roaming\DF2F9F46DF2F9F46.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/4872-43-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-52-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-19-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-22-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-23-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-24-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-25-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-26-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-27-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-28-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-29-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-30-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-31-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-32-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-33-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-34-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-35-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-36-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-37-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-38-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-39-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-40-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-41-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-42-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-17-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-44-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-45-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-46-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-47-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-48-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-49-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-50-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-51-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-18-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-53-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-54-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-55-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-56-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-57-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-58-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-59-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-60-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-61-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-62-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-63-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-64-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-65-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-66-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-67-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-16-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-15-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-14-0x0000000002450000-0x0000000002525000-memory.dmp

        memory/4872-13-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-12-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-11-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-8-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-5-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-4-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-3-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-2-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-1-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-0-0x0000000002450000-0x0000000002525000-memory.dmp

        memory/4872-68-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-69-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-70-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-71-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4872-72-0x0000000000400000-0x0000000000608000-memory.dmp