Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 20:25

General

  • Target

    2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe

  • Size

    27KB

  • MD5

    aca8806bba5c35c898f430b485cc52f7

  • SHA1

    c16b16c59aae7b4c460a42478aecfd0612b6178f

  • SHA256

    ccf5526630d3e73ac6d41b6c57f01a07013100b7f2bcb9b96c7a9c275a9c9c0a

  • SHA512

    179fa0119d743ad3fab011e22d7119c4da1c1a2147f7067da69b1a0762d45d6716bbbedef5d0ed9959db2e24d4de2c4c489c816a88baf6c2e38116480c8a7459

  • SSDEEP

    384:VtWZPzzxAm1vw5OPB5n8N7dIaPVfwMWBi3slQOy5o91QpR1M682v/:c7zxAmAOPMZfwMDBho961L82H

Malware Config

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
  • 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 6 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_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_aca8806bba5c35c898f430b485cc52f7_destroyer_wannacry.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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)
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2840
      • 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:2588
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2648
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1964
      • 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:3040
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2960
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2116
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:308
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:2028
      • 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:1796
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2616
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2856
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2912
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2268

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2KB

        MD5

        cb0520fc5cf2e983ce6004a51de31153

        SHA1

        734237d9002579ba3f9327f799bf75958f3ac324

        SHA256

        38ce287602548c5e128b13f8ee9b793edb69cd699bc3cb8e5c31c4376b16da8a

        SHA512

        dc1cea1f7f65554ab532001a7878a6a5c1c0309add12d554a6c1bd0f07479ecfca47aeeccae3a97457c320d7622c8dfa56bcc7ca1b78b052d1f0c404067db20f

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

        Filesize

        27KB

        MD5

        aca8806bba5c35c898f430b485cc52f7

        SHA1

        c16b16c59aae7b4c460a42478aecfd0612b6178f

        SHA256

        ccf5526630d3e73ac6d41b6c57f01a07013100b7f2bcb9b96c7a9c275a9c9c0a

        SHA512

        179fa0119d743ad3fab011e22d7119c4da1c1a2147f7067da69b1a0762d45d6716bbbedef5d0ed9959db2e24d4de2c4c489c816a88baf6c2e38116480c8a7459

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

        Filesize

        1B

        MD5

        d1457b72c3fb323a2671125aef3eab5d

        SHA1

        5bab61eb53176449e25c2c82f172b82cb13ffb9d

        SHA256

        8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

        SHA512

        ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      • memory/2720-0-0x000007FEF4E83000-0x000007FEF4E84000-memory.dmp

        Filesize

        4KB

      • memory/2720-1-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

        Filesize

        56KB

      • memory/2720-2-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

        Filesize

        9.9MB

      • memory/2720-871-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

        Filesize

        9.9MB

      • memory/2840-8-0x00000000013A0000-0x00000000013AE000-memory.dmp

        Filesize

        56KB

      • memory/2840-9-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

        Filesize

        9.9MB

      • memory/2840-10-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

        Filesize

        9.9MB

      • memory/2840-872-0x000007FEF4E80000-0x000007FEF586C000-memory.dmp

        Filesize

        9.9MB