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Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 20:26

General

  • Target

    2025-02-01_ae3d912081d1ed9e0e103290d2aa14a5_destroyer_wannacry.exe

  • Size

    72KB

  • MD5

    ae3d912081d1ed9e0e103290d2aa14a5

  • SHA1

    ca0b14020a16a418e9480d557c7f6f009210f3d7

  • SHA256

    4954b1413717c7e81ad5e75f68b9eba2f4bc5e30b2647b7725828170a0988efa

  • SHA512

    3e335153f2872733ad733d45c8a00d94a2b5c924e2f2b8149a84b3abdfbde1257dd21c9af4c4d8f6c49400fbffdf3319759fbf2bdfd805a4ef5725c031aba4f6

  • SSDEEP

    1536:4NoPN267q90a6XLX3ixLklrvmPzYxAfcwBgpGWshaqFcQRbHF49Z:f17q90a6TSdklyrRcyusNzNHo

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Updater6\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail : [email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected] ) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 3 IoCs
  • Chaos family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Disables Task Manager via registry modification
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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\2025-02-01_ae3d912081d1ed9e0e103290d2aa14a5_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_ae3d912081d1ed9e0e103290d2aa14a5_destroyer_wannacry.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2824
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2644
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2448
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2244
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2588
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1164
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:3028
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2096
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3044
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2752
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:3008
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2468

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\ProgramData\Adobe\Updater6\read_it.txt

        Filesize

        595B

        MD5

        4c78be4a1a58fd1a9c578ec2764088b0

        SHA1

        669a8573027e15fb74eeb931faaf969453694f83

        SHA256

        41af7386cf53609d4ced48c1f69e23fb9ac5c5973f97e4288d871eafb6b93f83

        SHA512

        3b66766f9e246ee9424e36888d409ba6b2676b917140060f4735ae1a32fa331559e6478f7d3285eaaf72b72da4925dba9410ed2831f8aa14cc9e177da6cb5b04

      • C:\Users\Admin\AppData\Roaming\svchost.exe

        Filesize

        72KB

        MD5

        ae3d912081d1ed9e0e103290d2aa14a5

        SHA1

        ca0b14020a16a418e9480d557c7f6f009210f3d7

        SHA256

        4954b1413717c7e81ad5e75f68b9eba2f4bc5e30b2647b7725828170a0988efa

        SHA512

        3e335153f2872733ad733d45c8a00d94a2b5c924e2f2b8149a84b3abdfbde1257dd21c9af4c4d8f6c49400fbffdf3319759fbf2bdfd805a4ef5725c031aba4f6

      • C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Notepad.lnk

        Filesize

        1B

        MD5

        d1457b72c3fb323a2671125aef3eab5d

        SHA1

        5bab61eb53176449e25c2c82f172b82cb13ffb9d

        SHA256

        8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

        SHA512

        ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      • memory/1996-0-0x000007FEF5DE3000-0x000007FEF5DE4000-memory.dmp

        Filesize

        4KB

      • memory/1996-1-0x0000000001130000-0x0000000001148000-memory.dmp

        Filesize

        96KB

      • memory/1996-3-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB

      • memory/1996-9-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB

      • memory/2804-8-0x0000000000CD0000-0x0000000000CE8000-memory.dmp

        Filesize

        96KB

      • memory/2804-10-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB

      • memory/2804-11-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB

      • memory/2804-349-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB

      • memory/2804-903-0x000007FEF5DE0000-0x000007FEF67CC000-memory.dmp

        Filesize

        9.9MB