Resubmissions

30-12-2023 09:02

231230-kzgqrsedaj 10

Analysis

  • max time kernel
    1801s
  • 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 13:33

General

  • Target

    13ff5145f905b197eee478e565e30f4e.exe

  • Size

    1.2MB

  • MD5

    13ff5145f905b197eee478e565e30f4e

  • SHA1

    5d983937eeb3ce1455eed52bb478c84d54d64f81

  • SHA256

    df2894b4298be05620b329d27bf0b45314629316fd6a082b6d90bbdfe9bf5a53

  • SHA512

    02a97bcca38b98d481e05bb8216d22bc893594d887b45bb9c87732c0f030dcdcdc40e3f1d3a5954751e888a3056bd44996ea7e36eca37f4977642ef38da417ca

  • SSDEEP

    24576:XHtrdKYVVSrqGDohJ3STZG8vIn/sCBGnWsY0Dy2:XHtV7GwBSTc8An/4YF2

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 11 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 6 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\13ff5145f905b197eee478e565e30f4e.exe
    "C:\Users\Admin\AppData\Local\Temp\13ff5145f905b197eee478e565e30f4e.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:4752
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:3316
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe Delete Shadows /All /Quiet
      2⤵
      • Interacts with shadow copies
      PID:4356
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe List Shadows
      2⤵
      • Interacts with shadow copies
      PID:4768
  • 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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3580
    • 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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4748
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4988
      • 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:3044
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
          PID:2380

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\System32\xfs

          Filesize

          117KB

          MD5

          8c5d737d3018bf2aa4ad4524c60bea24

          SHA1

          12c44b24b1c4d2274e95fd17d5e1a1ddf874b623

          SHA256

          d9436af3c2c0bed3b55cfdaf75499437494041bcde64d89fd236fd7360a98225

          SHA512

          fe5506fad56f5e94af8bb88bbf4d6612f672d5c6e569b775affa1c7fa351358b95b30ac48c8c3af5675d4dad5a6c2f563efce3517b21c41c498664a1edffcdaf

        • memory/4752-0-0x0000000002280000-0x0000000002355000-memory.dmp

          Filesize

          852KB

        • memory/4752-1-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-2-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-3-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-4-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-6-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-7-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-11-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-12-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-13-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-14-0x0000000002280000-0x0000000002355000-memory.dmp

          Filesize

          852KB

        • memory/4752-15-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-16-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-17-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-18-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-21-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-22-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-23-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-24-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-25-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-26-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-27-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-28-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-29-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-30-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-31-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-32-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-33-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-34-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-35-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-36-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-37-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-38-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-39-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-40-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-41-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-42-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-43-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-44-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-45-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-46-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-47-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-48-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-49-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-50-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-51-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-52-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-53-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-54-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-55-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-56-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-57-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-58-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-59-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-60-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-61-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-62-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-63-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-64-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-65-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-66-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-67-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-68-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-69-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-70-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-71-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB

        • memory/4752-72-0x0000000000400000-0x0000000000608000-memory.dmp

          Filesize

          2.0MB