Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-03-2024 01:47

General

  • Target

    2024-03-24_8d6cf920922372018823199536ab94b9_wannacry.exe

  • Size

    124KB

  • MD5

    8d6cf920922372018823199536ab94b9

  • SHA1

    c93931bbdda0f4efe54f5eaa7dd04c362d93689a

  • SHA256

    62a1c371bea432fcd5707d25810ab573b6ec269625c59db9539e3939d3fe9554

  • SHA512

    11a4499b072c1dabe61c19acb29da374b4d4979c2581bcc49c3bae43f5bec295d03d9af74158152f95310eb3aedfff3bac92c0d9f3f063fba283caeee5c5f41c

  • SSDEEP

    3072:jo8d30hr9ynxJxaJ3e6ua0g0qcB2f/u80kcmU/C7eJBz4gdw:Bd4r9ynxkbOqguxU6iW

Malware Config

Extracted

Path

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

Ransom Note
All of your files have been encrypted. Your computer was infected with a ransomware virus. Your files have been encrypted, 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 $50. Payment can be made in Bitcoin (Bitcoin Address: bc1qakhl8eu20ely220fxm6d3tjsk2al64vrha4sxa), Ethereum (ETH Address: 0x22D2C1C38b3c26C9E403B34ea5aF42Af00e90d9f), Binance Coin (BNB Address: bnb17CqMQFeuB3NTzJ2X28tfRmWaPyPQgvoHV0205gfc6ykk), or through PayPal (Burner Account: [email protected]). After sent u can also email the email: [email protected] with proof of payment and u will recieve ur decryption key You can make the payment directly by visiting this PayPal site: PayPal Payment Site. How do I pay, where do I get Bitcoin, Ethereum, Binance Coin, or PayPal? Purchasing Bitcoin, Ethereum, or Binance Coin varies from country to country, you are best advised to do a quick Google search yourself to find out how to buy Bitcoin, Ethereum, Binance Coin, or set up a PayPal account. These sites will help you to get fast and reliable Bitcoin, Ethereum, Binance Coin, or PayPal. Coinmama - https://www.coinmama.com/ Bitpanda - https://www.bitpanda.com/ If you will try to seek for help or advice we recommend not to. Why you ask? Because no other software can decrypt this ransomware, only us have the special key to unlock it. So getting other decrypters will be worthless. Don't even think about calling the cops: we will snitch about your pedo activity! You have exactly 12 hours from now to pay up or your PC will be locked for a very long time, approximately 125 Years! Have fun buddy. We monitor every move you make, 👁️‍🗨️ with 8 eyes on you, always one step ahead 👁️, lurking in your devices.
URLs

https://www.coinmama.com/

https://www.bitpanda.com/

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Detects command variations typically used by ransomware 2 IoCs
  • 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 2 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 2 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 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 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\2024-03-24_8d6cf920922372018823199536ab94b9_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-24_8d6cf920922372018823199536ab94b9_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Users\Admin\AppData\Roaming\Private Chat.exe
      "C:\Users\Admin\AppData\Roaming\Private Chat.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:3868
      • 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:2596
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:1996
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2584
      • 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:3952
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4948
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2836
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4076
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\README.txt
        3⤵
        • Opens file in notepad (likely ransom note)
        PID:4564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1320
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1496
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2420
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4352
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:3148
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

        Filesize

        16KB

        MD5

        02067b50f102d655061d9038573c9126

        SHA1

        96f8862b82f073f202a12d5afa51e4acfbd9f371

        SHA256

        bdabf4e16f0ddb6654d45ea7c81c9dbfd66177cc4e98f17e96409c0a55e46005

        SHA512

        36116a6710385d68b7f316b1012cdc03a2f974a2744d870b43fb9177a920cd44b8087694450f5573f7d0862333bf02cb4668c29804e0c7343924cbbdccfa888b

      • C:\Users\Admin\AppData\Roaming\Private Chat.exe

        Filesize

        124KB

        MD5

        8d6cf920922372018823199536ab94b9

        SHA1

        c93931bbdda0f4efe54f5eaa7dd04c362d93689a

        SHA256

        62a1c371bea432fcd5707d25810ab573b6ec269625c59db9539e3939d3fe9554

        SHA512

        11a4499b072c1dabe61c19acb29da374b4d4979c2581bcc49c3bae43f5bec295d03d9af74158152f95310eb3aedfff3bac92c0d9f3f063fba283caeee5c5f41c

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

        Filesize

        1KB

        MD5

        c748d4e5fedf548bc3d2516a68b2055f

        SHA1

        1e3bcd8e55cbc0abb37e8812df4be12a4b19ac3d

        SHA256

        1015fb7b4dc41f629cbcf4875ad83df7d1720ae66b5a099ed39c0bdc205b3258

        SHA512

        e7b744a85a87c3695a9a60761459299f4c1a812030498e8de31d034a2934f49882d0228a6fe50dd4cae2d281d4af96348972267664c9431b629459824356487a

      • memory/2504-492-0x0000025B306D0000-0x0000025B306D1000-memory.dmp

        Filesize

        4KB

      • memory/2504-495-0x0000025B306C0000-0x0000025B306C1000-memory.dmp

        Filesize

        4KB

      • memory/2504-485-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-514-0x0000025B30920000-0x0000025B30921000-memory.dmp

        Filesize

        4KB

      • memory/2504-484-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-513-0x0000025B30810000-0x0000025B30811000-memory.dmp

        Filesize

        4KB

      • memory/2504-446-0x0000025B28390000-0x0000025B283A0000-memory.dmp

        Filesize

        64KB

      • memory/2504-462-0x0000025B28490000-0x0000025B284A0000-memory.dmp

        Filesize

        64KB

      • memory/2504-478-0x0000025B30A80000-0x0000025B30A81000-memory.dmp

        Filesize

        4KB

      • memory/2504-479-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-480-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-486-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-482-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-483-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-512-0x0000025B30810000-0x0000025B30811000-memory.dmp

        Filesize

        4KB

      • memory/2504-510-0x0000025B30800000-0x0000025B30801000-memory.dmp

        Filesize

        4KB

      • memory/2504-481-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-487-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-488-0x0000025B30AB0000-0x0000025B30AB1000-memory.dmp

        Filesize

        4KB

      • memory/2504-489-0x0000025B306D0000-0x0000025B306D1000-memory.dmp

        Filesize

        4KB

      • memory/2504-490-0x0000025B306C0000-0x0000025B306C1000-memory.dmp

        Filesize

        4KB

      • memory/2504-498-0x0000025B30600000-0x0000025B30601000-memory.dmp

        Filesize

        4KB

      • memory/3096-0-0x00000000009E0000-0x0000000000A04000-memory.dmp

        Filesize

        144KB

      • memory/3096-1-0x00007FFB846D0000-0x00007FFB85191000-memory.dmp

        Filesize

        10.8MB

      • memory/3096-14-0x00007FFB846D0000-0x00007FFB85191000-memory.dmp

        Filesize

        10.8MB

      • memory/3868-15-0x00007FFB846D0000-0x00007FFB85191000-memory.dmp

        Filesize

        10.8MB

      • memory/3868-443-0x00007FFB846D0000-0x00007FFB85191000-memory.dmp

        Filesize

        10.8MB

      • memory/3868-17-0x0000000002270000-0x0000000002280000-memory.dmp

        Filesize

        64KB

      • memory/3868-444-0x0000000002270000-0x0000000002280000-memory.dmp

        Filesize

        64KB