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Overview

overview

10

Static

static

10

2024-06-12...ry.exe

windows10-1703-x64

2024-06-12...ry.exe

windows7-x64

10

2024-06-12...ry.exe

windows10-2004-x64

10

2024-06-12...ry.exe

windows11-21h2-x64

10

Resubmissions

12/06/2024, 08:21

240612-j8zghawarr 10

12/06/2024, 06:29

240612-g9dkbashkj 10

Analysis

  • max time kernel
    7s
  • max time network
    9s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/06/2024, 08:21

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    2024-06-12_b7b74da48d473d1a497bd07321d74681_destroyer_wannacry.exe

  • Size

    27KB

  • MD5

    b7b74da48d473d1a497bd07321d74681

  • SHA1

    a22e1b0e2c1e0056f582649c98b61615eeb5b1ee

  • SHA256

    a6e8c8b8b78a9606c39ea6d55543c13893cb0a7c6e957c7de4ef65abd9e42666

  • SHA512

    6815bec17791420e8b19835bec111c14b505510cb0c1bee7c911f20a7473c7cd51dc5a5795472527ad043872ef497003ce572000da22673d1424aa15adc9f50c

  • SSDEEP

    384:TftWZPzzxAm1vp5ZRoDCFKW6pAnAQ51MlEOy5o91EnVpX82vy:TW7zxAmpfyCz6pVQ5Tho90Z82a

Score
10/10
chaosdefense_evasionevasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Default\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.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Disables Task Manager via registry modification
    evasion
  • Drops startup file 2 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 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.

    ransomware
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 1 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.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-12_b7b74da48d473d1a497bd07321d74681_destroyer_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_b7b74da48d473d1a497bd07321d74681_destroyer_wannacry.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4448
      • 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:1960
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:4260
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1596
      • 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:4256
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:596
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1836
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:912
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1424
      • 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:4424
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3232
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2884
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4208
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4248
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0 /state0:0xa3af6055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:1636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-06-12_b7b74da48d473d1a497bd07321d74681_destroyer_wannacry.exe.log
      Filesize

      1KB

      MD5

      d63ff49d7c92016feb39812e4db10419

      SHA1

      2307d5e35ca9864ffefc93acf8573ea995ba189b

      SHA256

      375076241775962f3edc08a8c72832a00920b427a4f3332528d91d21e909fa12

      SHA512

      00f8c8d0336d6575b956876183199624d6f4d2056f2c0aa633a6f17c516f22ee648062d9bc419254d84c459323e9424f0da8aed9dd4e16c2926e5ba30e797d8a

      Download Submit

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

      27KB

      MD5

      b7b74da48d473d1a497bd07321d74681

      SHA1

      a22e1b0e2c1e0056f582649c98b61615eeb5b1ee

      SHA256

      a6e8c8b8b78a9606c39ea6d55543c13893cb0a7c6e957c7de4ef65abd9e42666

      SHA512

      6815bec17791420e8b19835bec111c14b505510cb0c1bee7c911f20a7473c7cd51dc5a5795472527ad043872ef497003ce572000da22673d1424aa15adc9f50c

      Download Submit

    • C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\Magnify.lnk
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

    • C:\Users\Default\read_it.txt
      Filesize

      582B

      MD5

      ed5cc52876db869de48a4783069c2a5e

      SHA1

      a9d51ceaeff715ace430f9462ab2ee4e7f33e70e

      SHA256

      45726f2f29967ef016f8d556fb6468a577307d67388cc4530295a9ca10fdfa36

      SHA512

      1745aefb9b4db4cdd7c08ee3a7d133db08f35a336fd18b598211519b481ef25ac84a3e8a3da3db06caef9f531288d1cf0ca8d4b2560637945e7953e8b45421f5

      Download Submit

    • memory/1900-1-0x00007FFC76193000-0x00007FFC76194000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1900-0-0x0000000000690000-0x000000000069E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1900-2-0x00007FFC76190000-0x00007FFC76B7C000-memory.dmp

      Filesize

      9.9MB

      Download

    • memory/1900-9-0x00007FFC76190000-0x00007FFC76B7C000-memory.dmp

      Filesize

      9.9MB

      Download

    • memory/4448-10-0x00007FFC76190000-0x00007FFC76B7C000-memory.dmp

      Filesize

      9.9MB

      Download

    • memory/4448-11-0x00007FFC76190000-0x00007FFC76B7C000-memory.dmp

      Filesize

      9.9MB

      Download

    • memory/4448-1152-0x00007FFC76190000-0x00007FFC76B7C000-memory.dmp

      Filesize

      9.9MB

      Download