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
    1196s
  • max time network
    1198s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/04/2024, 14:30

General

  • Target
    94b88650ebf3fe56877d27316b51a4ddf27b4182892b167b5b03b35d84c95d02.exe
  • Size 1.5MB
  • Sample240417-rt4fxade5v
  • 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 1 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 26 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 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 1 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 45 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • 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:2768
    • 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:4564
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:1500
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:2704
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:2296
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5080
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:256
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        iconcache_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
        • Size 1024KB
        • SHA256 a66091414683d3c6b2379b7d4daf43fd7f5419cbf2eebdda80a890e5412a8c93
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 76c2fb11312934c8a8e0d355119770e4874018634f2b4341dabfe8ae20631426
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_256.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db
        • Size 1024KB
        • SHA256 e0d48d51beb23724062e92cfd9907d9d0de52fe0d320923959639ae710097e49
        • 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 799c464b6b675b7d1979a5b4ffda48faf5f95adb08d329a991832ab1d7331159
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 7331aa54dfcbf15c51c9bd8f0ab401aba6ce4ae797321691d91f0079b6a1bdf4
        • MD5 SHA1 SHA512 SSDEEP

        microsoft.windows[1].xml

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Cortana_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\TA9PW42K\microsoft.windows[1].xml
        • Size 97B
        • SHA256 01117b8e52792b6c29357873c3644dd78d7cc8d0be8ae8c52e4b89bb4ac6c20c
        • MD5 SHA1 SHA512

        B773F55BB773F55B.bmp

        • Path C:\Users\Admin\AppData\Roaming\B773F55BB773F55B.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/2768-0-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2768-10-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/2768-12-0x0000000000C40000-0x0000000000C74000-memory.dmp

        memory/2768-7-0x0000000000C40000-0x0000000000C74000-memory.dmp

        memory/2768-3-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/4564-45-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-53-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-20-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-21-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-22-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-25-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-26-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-27-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-28-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-29-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-30-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-31-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-32-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-33-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-34-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-35-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-36-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-37-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-38-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-39-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-40-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-41-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-42-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-43-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-44-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-18-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-46-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-47-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-48-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-49-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-50-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-51-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-52-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-19-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-54-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-55-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-56-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-57-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-58-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-59-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-60-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-61-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-62-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-63-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-64-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-65-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-66-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-67-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-68-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-69-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-70-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-71-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-72-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-73-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-74-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-75-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-76-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-17-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-16-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-11-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-9-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-8-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-77-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-78-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/4564-79-0x0000000000400000-0x0000000000608000-memory.dmp