Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 09:27

General

  • Target

    2025-01-12_3c97c62c8d17b8afa1c67791b101ac1f_wannacry.exe

  • Size

    132KB

  • MD5

    3c97c62c8d17b8afa1c67791b101ac1f

  • SHA1

    b426fcd8a1258346949f2bcd3fdf997e93b9b3a4

  • SHA256

    7edc963b7d439ffe6f659b5aaa4c511446a7fc4eb0aca7ec2010e43686807103

  • SHA512

    09556f4f9e7de7e319c5be661eebcf925670fe736a84804457855eceeedfcd821091054183edc11ee7b94fa75e9f10bead2e96fd71e36d3c69614fa4b0d05094

  • SSDEEP

    3072:Ao/apr9lf9wIe3330+hbC7rOwyXS6XNmnqCbU47rrm:Yr9lfqIenf6LYNQv

Malware Config

Extracted

Path

C:\Users\Admin\Documents\Warning.txt

Ransom Note
Your files has been encrypted By SatanCDD and you won't be able to decrypt them without our help What can I do to get my files back You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer The price for the software is $5,981 Dollars can be made in Bitcoin only Please Contact Us At Gmail: [email protected] Or if you want Join us in Private Group here is link: http://mzg4llxp4kaf4qq5s4hlentf45rjda3mzev3j6hlh2endarc2k6z6oyd.onion/satancd-room PIN: 3699 But First off Please Install Tor Browser: https://www.torproject.org/ja/download/ Payment informationAmount: 0.064 BTC Bitcoin Address: bc1qmxj6genhefmsqjntu8239j0evxr7z7zm0dhqqm
URLs

http://mzg4llxp4kaf4qq5s4hlentf45rjda3mzev3j6hlh2endarc2k6z6oyd.onion/satancd-room

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 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.

  • Drops desktop.ini file(s) 34 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 20 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\2025-01-12_3c97c62c8d17b8afa1c67791b101ac1f_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-12_3c97c62c8d17b8afa1c67791b101ac1f_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Roaming\SatanCDD.exe
      "C:\Users\Admin\AppData\Roaming\SatanCDD.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2132
      • 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:8
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:3160
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4212
      • 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:1524
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4548
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2648
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4388
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1160
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\Warning.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:2256
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:612
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2908
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4980
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      132KB

      MD5

      3c97c62c8d17b8afa1c67791b101ac1f

      SHA1

      b426fcd8a1258346949f2bcd3fdf997e93b9b3a4

      SHA256

      7edc963b7d439ffe6f659b5aaa4c511446a7fc4eb0aca7ec2010e43686807103

      SHA512

      09556f4f9e7de7e319c5be661eebcf925670fe736a84804457855eceeedfcd821091054183edc11ee7b94fa75e9f10bead2e96fd71e36d3c69614fa4b0d05094

    • C:\Users\Admin\Documents\Warning.txt

      Filesize

      747B

      MD5

      0e0b48c5f86752229e1dd5dff7b9dab1

      SHA1

      97859476a3971222a50b696d40e950704e5df272

      SHA256

      92255629912994ab639f295f50d0633071940555654c88a72d1dc6d7dd52bae8

      SHA512

      565094353ee18e3a7aa87d6842889ee878f1b4a71d765ce10e7d80052b23e401ce97c01ede56c43da4864529424d8d4de96a52774b3b984bf4de4cd4dfd91bff

    • memory/2132-15-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp

      Filesize

      10.8MB

    • memory/2132-23-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp

      Filesize

      10.8MB

    • memory/2132-434-0x00007FFFFBD70000-0x00007FFFFC831000-memory.dmp

      Filesize

      10.8MB

    • memory/4520-1-0x00007FFFFBD73000-0x00007FFFFBD75000-memory.dmp

      Filesize

      8KB

    • memory/4520-0-0x0000000000B30000-0x0000000000B58000-memory.dmp

      Filesize

      160KB

    • memory/4520-2-0x00007FFFFBD73000-0x00007FFFFBD75000-memory.dmp

      Filesize

      8KB