Resubmissions

17/04/2024, 15:10

240417-skjktade4510

17/04/2024, 15:10

240417-skhzaade4410

17/04/2024, 15:10

240417-skhcrafa4s10

17/04/2024, 15:10

240417-skgq8ade4210

17/04/2024, 15:10

240417-skgffsde3910

15/04/2024, 12:57

240415-p6157shb6w10

15/04/2024, 12:56

240415-p6n6mshb5y10

15/04/2024, 12:56

240415-p6ft9seh3710

15/04/2024, 12:56

240415-p6exzaeh3610

15/04/2024, 12:56

240415-p6d1nseh3410

Analysis

  • max time kernel
    1197s
  • max time network
    1200s
  • 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, 15:10

General

  • Target
    02e8c7af3724ff535da627197920ad14.exe
  • Size 1.2MB
  • Sample240417-skhzaade44
  • SHA256 ed801a3e54843afe989aadd69cdab5e6fbf00e8e02742f354519b4b16de8f31c
  • 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 40 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 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\02e8c7af3724ff535da627197920ad14.exe
    "C:\Users\Admin\AppData\Local\Temp\02e8c7af3724ff535da627197920ad14.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:3432
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4040
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:1700
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4112
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4236
  • 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:3080
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4812
    • 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:2912
  • 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:3580
  • 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:1208
  • 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:2840
  • 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:4068
  • 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:3504
  • 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:2832
  • 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:5092

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xfs

        • Path C:\ProgramData\System32\xfs
        • Size 156KB
        • SHA256 4588013f951d84a2680ac986a88fd902aab5768353a3e04e404253241bcd9e93
        • 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 3b98b6841cdfa251ce8e2dbdd31b2931dd1d4d57595fdfd02dcb1fda44b7507e
        • 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 dc4f638dd449ca5a74cc54b4b78a1e140c4034c204f16a59c673a62f84bc67e6
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 55f8b73688a9c768be951257d25dab0c71cb30de14a93d8ce413195b524386ca
        • 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 96f64cdaa3f208951044ada192bd23c6c5f6f1fbf2ab5858af4e5cc543223d3c
        • 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 4de67e45648bdb5d51954b88c8be147f56c1f35126a80e6f777047026b71dbcd
        • 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 fe824b3fcefe95a0227cb022e2f2a27e2ec09dff9fa11fc37472ba6a34b91f14
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 6845c677c7cf551beef4f597da838a1ef4e14260c92645514eb8aa1b7f4c8467
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 7KB
        • SHA256 cbdcedbe605c9b53e95f595530cf8b86cecbc3f46d67fc96d9ffdd13517768cc
        • MD5 SHA1 SHA512 SSDEEP

        StartUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
        • Size 11KB
        • SHA256 5fc933f94563ff2f469bc9c861a9236bdcaa0f141c7eb2840977b3b93d3d7444
        • MD5 SHA1 SHA512 SSDEEP

        AppCache133578637693493923.txt

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133578637693493923.txt
        • Size 3KB
        • SHA256 52a063daf69b4056e4b76a86dced05e443b849835bec32f022ae707a7ff34872
        • MD5 SHA1 SHA512

        SearchUnifiedTileModelCache.dat

        • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchUnifiedTileModelCache.dat
        • Size 3KB
        • SHA256 327107d514c4946f8ab7404027fdd73e4032cc5e620f3a03b11aa5c0fda45136
        • MD5 SHA1 SHA512

        D4177500D4177500.bmp

        • Path C:\Users\Admin\AppData\Roaming\D4177500D4177500.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/3432-43-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-53-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-22-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-23-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-24-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-25-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-26-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-27-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-28-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-29-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-30-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-31-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-32-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-33-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-34-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-35-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-36-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-37-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-38-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-39-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-40-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-41-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-42-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-18-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-44-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-45-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-46-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-47-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-48-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-49-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-50-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-51-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-52-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-19-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-54-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-55-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-56-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-57-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-58-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-59-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-60-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-61-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-62-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-63-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-64-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-65-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-66-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-67-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-17-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-16-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-15-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-14-0x0000000002340000-0x0000000002415000-memory.dmp

        memory/3432-13-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-12-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-11-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-8-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-5-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-3-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-4-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-2-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-1-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-0-0x0000000002340000-0x0000000002415000-memory.dmp

        memory/3432-68-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-69-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-70-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-71-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3432-72-0x0000000000400000-0x0000000000608000-memory.dmp