Resubmissions

Analysis

  • max time kernel
    1794s
  • max time network
    1802s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 11:58

General

  • Target

    inf.exe

  • Size

    1.3MB

  • MD5

    73dea1a75637e14f6fcd012fe2815636

  • SHA1

    f1edca0d6464b76bc4956352571d8941c02d2c4e

  • SHA256

    fd03dd58aa7cb5236f4df8cde3fb07af304c6f402cd48b86eefcecb8e7b86883

  • SHA512

    f6dc462194037a5c4e0b186088f1fd75befe4cb88bf1dcc7477987951332fc18f8aa66389d567e01677990b022fea6849a66a24510027794e12e2a517edde8d0

  • SSDEEP

    24576:SkMiDApH5iholXZFFqn14hhzk8wncu0Z9Ml+5PkjyDs5U2cuC:tApsolXTF8mhC1c9WCkjMs5Uq

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 1 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).

  • Interacts with shadow copies 2 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\inf.exe
    "C:\Users\Admin\AppData\Local\Temp\inf.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:3372
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1888
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:2344
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3376
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3580 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3584
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3632 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3376
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:948
      • 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:2436

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\System32\xfs

        Filesize

        109KB

        MD5

        e8d347f18827ba38456b0e1bcb913f31

        SHA1

        49e1d14d7ac3f8c0adf190a2f3fc4705bf9a3504

        SHA256

        f557b9266ac6e7a76924da6c992003c16f97d34e727bfb87e6a0b6a12a316213

        SHA512

        fb72efe24b4dfcfb471681e786296db78b35f8481007a630acbcad8f6ceb797323c3b72dc67d0a2baa8618b30f1cc19540124af3f3f5eaadf482360b5304d1a8

      • memory/3372-0-0x00000000023C0000-0x0000000002495000-memory.dmp

        Filesize

        852KB

      • memory/3372-1-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-2-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-3-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-4-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-5-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-8-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-11-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-12-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-13-0x00000000023C0000-0x0000000002495000-memory.dmp

        Filesize

        852KB

      • memory/3372-14-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-15-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-16-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-17-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-18-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-21-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-22-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-23-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-24-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-25-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-26-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-27-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-28-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-29-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-30-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-31-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-32-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-33-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-34-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-35-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-36-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-37-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-38-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-39-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-40-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-41-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-42-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-43-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-44-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-45-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-46-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-47-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-48-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-49-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-50-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-51-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-52-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-53-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-54-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-55-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-56-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-57-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-58-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-59-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-60-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-61-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-62-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-63-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-64-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-65-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-66-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-67-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-68-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-69-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-70-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-71-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/3372-72-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB