Resubmissions

17/04/2024, 14:30

240417-rt43faca4910

17/04/2024, 14:30

240417-rt4fxade5v10

17/04/2024, 14:29

240417-rtyknaca4410

17/04/2024, 14:29

240417-rtsz6sde3z10

17/04/2024, 14:29

240417-rtspeade3y10

31/07/2022, 05:21

220731-f17w5aade210

Analysis

  • max time kernel
    1799s
  • max time network
    1516s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/04/2024, 14:30

General

  • Target
    94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
  • Size 1.5MB
  • Sample240417-rt43faca49
  • SHA256 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 12 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 WMI provider

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

  • 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\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
    "C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
      C:\Users\Admin\AppData\Local\Temp\94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
      2⤵
      • 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:2356
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:4776
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:2288
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:3156
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1156
  • 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:3016
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2236
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4416
  • 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:3032
  • 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:3068
  • 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:1852
  • 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:5112
  • 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:1956
  • 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:3664
  • 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:1632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xfs

        • Path C:\ProgramData\System32\xfs
        • Size 265KB
        • SHA256 fa1337a2f7dc2f2feb59ff839347f61b21c21c6c59da97be8adbe8f294e2f3b2
        • MD5 SHA1 SHA512 SSDEEP

        csrss.exe

        • Path C:\ProgramData\Windows\csrss.exe
        • Size 1.5MB
        • SHA256 94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02
        • 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_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
        • Size 1024KB
        • SHA256 0d119fb83a6f22252a4c27de88734bc062441813fb7f7603357c73cf81aad1dc
        • 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 ec4ddc686321e3de541c44e7cf07042ce86043794b910b7abdec5da13e41e6d6
        • 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 0959d359562b69758e43602c8915bbe11383f0d842574f44425f287295103c24
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_256.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db
        • Size 1024KB
        • SHA256 37ab05149f1ee0370b5770f856dbebf41ae4d597d9ad3379f7fa8ffa8a21398a
        • 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 6a65b566a92fb4bdfb1c1707c79e8575c3e8a3d60ed219a07c1bf4bb40d51911
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 6KB
        • SHA256 d9906bd55f73e473e5b819d421f26421e5f4c8811f95003f970dee30ae964c3c
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 10KB
        • SHA256 07f31cc4386167f2f01fcee8345d7a2b99fa347c1a4dc7c470ce1d411d058694
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133578603745668128.txt

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133578603745668128.txt
        • Size 2KB
        • SHA256 e7abcd543a39be760c610fb1cd8a101abfffc6002e47aaf7dea39b31f94a3531
        • MD5 SHA1 SHA512

        SearchUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchUnifiedTileModelCache.dat
        • Size 2KB
        • SHA256 6cec6efc1c0d59bd8208bcaf08e176537aad59f38a68534fe4142905429733e6
        • MD5 SHA1 SHA512

        9ED057A69ED057A6.bmp

        • Path C:\Users\Admin\AppData\Roaming\9ED057A69ED057A6.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2356-56-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-65-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-30-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-31-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-32-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-33-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-36-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-37-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-38-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-39-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-40-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-41-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-42-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-43-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-44-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-45-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-46-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-47-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-48-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-49-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-50-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-51-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-52-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-53-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-54-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-55-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-20-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-57-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-58-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-59-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-60-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-61-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-62-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-63-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-64-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-29-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-66-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-67-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-68-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-69-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-70-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-71-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-72-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-73-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-74-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-75-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-76-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-77-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-78-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-79-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-28-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-22-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-18-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-26-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2356-27-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/2484-0-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-9-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-6-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-5-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-4-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-3-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-7-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-2-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-8-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-1-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-10-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-11-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-14-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-17-0x0000000003370000-0x00000000033A4000-memory.dmp

        memory/2484-19-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2484-21-0x0000000003370000-0x00000000033A4000-memory.dmp