Resubmissions

14-05-2023 23:14

230514-28eq7sgb8z 10

Analysis

  • max time kernel
    1194s
  • max time network
    1202s
  • 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 12:07

General

  • Target

    bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe

  • Size

    1.5MB

  • MD5

    695a0d416cdccad008acb2369b0165a2

  • SHA1

    c9002f65273ac587f5753f50cf61911885d92521

  • SHA256

    bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb

  • SHA512

    e92a53c963f5aacf94cbbda3da097d1f29140459ff552d5659ecca3f6c33aec6063c13ce16d3ff6c0046ee88400c6bc5bf410aa9fbc4513c478c0bc0423de051

  • SSDEEP

    24576:kcDD3THmsmB7K1k52fzgtv0HqIYG3yC3Q1KbeRho7KWU8RKDyAlAY:bTHmsq72zgtv0HYG37bD7KWU8UhV

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 9 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 3 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\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.exe
    "C:\Users\Admin\AppData\Local\Temp\bf32e333d663fe20ab1c77d2f3f3af946fb159c51b1cd3b4b2afd6fc3e1897bb.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:1800
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3592
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:828
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:1400
  • 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=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3668
    • 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=5140 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3356
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1064
      • 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:1720

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\System32\xfs

        Filesize

        65KB

        MD5

        9d1756ea0d91c4732f127fb0fb37ca61

        SHA1

        0c92e89f74ec6936c1f0c6243b913f66c978c728

        SHA256

        0ef383fef5fb5877d12bb99b70a565fdffc9d7721913a5f00e1401beb024828b

        SHA512

        486780fbe5f00b1d2377451ee34e3941db1576253d34a41db2c1110b3bdc02b578f819b99277ab9898991dcbbfa5e37875dca231cb7ae76fd652027cbaf67cdf

      • memory/1800-0-0x0000000002440000-0x0000000002515000-memory.dmp

        Filesize

        852KB

      • memory/1800-1-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-2-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-3-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-4-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-6-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-8-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-9-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-12-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-13-0x0000000002440000-0x0000000002515000-memory.dmp

        Filesize

        852KB

      • memory/1800-14-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-15-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-16-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-17-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-18-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-21-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-22-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-23-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-24-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-25-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-26-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-27-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-28-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-29-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-30-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-31-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-32-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-33-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-34-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-35-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-36-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-37-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-38-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-39-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-40-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-41-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-42-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-43-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-44-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-45-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-46-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-47-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-48-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-49-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-50-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-51-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-52-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-53-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-54-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-55-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-56-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-57-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-58-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-59-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-60-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-61-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-62-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-63-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-64-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-65-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-66-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-67-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-68-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-69-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-70-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-71-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB

      • memory/1800-72-0x0000000000400000-0x0000000000608000-memory.dmp

        Filesize

        2.0MB