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
    1803s
  • max time network
    1603s
  • 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-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 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 63 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 23 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:5088
    • 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:3292
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:4892
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:3980
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe List Shadows
        3⤵
        • Interacts with shadow copies
        PID:3628
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4164
  • 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:2488
  • 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:3444

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xfs

        • Path C:\ProgramData\System32\xfs
        • Size 250KB
        • SHA256 d8caebb5ceb75cedc4d2677b995ad1a8936fe5e9e696d9387ac8ae8c85e1ddb7
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
        • Size 1024KB
        • SHA256 68431ab4b4a76a1a635df107e402a68d272c88729c157e5de0fbdf84523b879e
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_48.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
        • Size 1024KB
        • SHA256 0d33335e6c68e79d757546686988e0c34e9f10b40ae2bd6ca6635557e668b34b
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 39a780d6a9729f61a05bec79ae999168eaab1a60ad23ba6e63387fc084f1f142
        • MD5 SHA1 SHA512 SSDEEP

        iconcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
        • Size 7KB
        • SHA256 ae5d02600316a7ab4bb5a62a68dc0168d9f52c1743c976ae7f148ca5b3c65314
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_16.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db
        • Size 1024KB
        • SHA256 958dace4d84fd42bcd03b42555384ef4f3f0243ebf234a402470ce6913432190
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_256.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db
        • Size 1024KB
        • SHA256 be4c85781e9f49a256f5765758ebed9b79cd80bb4381b0c06a8afc04414b93d1
        • 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 a2217c7cd4035accbbbd9ae962db7b30e20bbe08b044b3262c3e9bff560b6474
        • MD5 SHA1 SHA512 SSDEEP

        thumbcache_idx.db

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db
        • Size 7KB
        • SHA256 44a2e81c9fdd22765e7dd395b68f8ece015c3ea5f67a10b5b3f033f6df3885c9
        • MD5 SHA1 SHA512 SSDEEP

        0AEC3A620AEC3A62.bmp

        • Path C:\Users\Admin\AppData\Roaming\0AEC3A620AEC3A62.bmp
        • Size 2.6MB
        • SHA256 4aa6cdb9ce95410f85a05b21967d224cfd49cf8c7fa18d9998304a16d4e4b5d8
        • MD5 SHA1 SHA512 SSDEEP

        memory/3292-49-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-55-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-79-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-78-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-77-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-20-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-21-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-76-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-75-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-23-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-28-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-29-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-30-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-31-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-32-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-33-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-34-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-37-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-38-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-39-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-40-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-41-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-42-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-43-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-44-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-45-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-46-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-47-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-48-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-74-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-50-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-51-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-52-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-53-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-54-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-73-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-56-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-57-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-58-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-59-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-60-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-61-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-62-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-63-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-64-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-65-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-66-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-67-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-68-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-69-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-70-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-71-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/3292-72-0x0000000000400000-0x0000000000608000-memory.dmp

        memory/5088-10-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-8-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-24-0x00000000024E0000-0x0000000002514000-memory.dmp

        memory/5088-22-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-19-0x00000000024E0000-0x0000000002514000-memory.dmp

        memory/5088-16-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-13-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-11-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-0-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-12-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-9-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-7-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-6-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-5-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-4-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-3-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-2-0x0000000000400000-0x000000000062A000-memory.dmp

        memory/5088-1-0x0000000000400000-0x000000000062A000-memory.dmp