Overview

overview

10

Static

static

10

2023-06-05...ry.exe

windows7-x64

10

2023-06-05...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2023, 08:04

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2023-06-05_ce4d848ee4e9ee23e18e4626b25a7498_wannacry.exe

  • Size

    149KB

  • MD5

    ce4d848ee4e9ee23e18e4626b25a7498

  • SHA1

    45b1256b93ab60ed3dde2bf1612071921904b225

  • SHA256

    35325664cfe08afe2a183b9b842f55ad3bc13012ea59f9a619095e820ae8e1d4

  • SHA512

    0e1a29de12de473b5b619480a4785ace44c056770034f93fa04182dc264330d795beaf7da9322bb21ef61c915da81a9e2a74e449c6be806b7518b79f09bc54f4

  • SSDEEP

    3072:qh6Eq91e4b8ITQljm0wiVT0LcdE6F01ydbNXmx3xIqpknFFbRQVqcoW5suIDc:+6Eq94cQ1YQbFw3+K8

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Default\read_it.txt

Ransom Note
---------------Attention--------------- Your All Files Have been Encrypted! Your personal files (documents, databases, jpeg, docx, doc, etc.) we re encrypted. But don't worry about your files,You can take back all of them, to decrypt your all files need to buy a software With your unique private key. Only our software well allow decrypt your files. Remember if you try to recovery your files through any third-party software, it's can cause premature damage to your files, and we can't help you either. -----------------Note!------------------ You have only 72 hours from the moment when an encryption was done to buy our software at $600 for the payment, your all files will get Automatic deleted after the lapse of 72 hours. BTC Address:33j4JbAEzZwWGgA2MxBARD7zprJuNDP2hP And if you Payment complete then Send me proof. Use the following ID as the title of your email: 07BE93F447C8DB132C49 Use these emails to contact us and receive instructions: Main email: [email protected] Also, you can send up to 2 test files to see if we can decrypt your files. After paying, the decryptor software and your private key will be given to you.

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 4 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • 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
  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • 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 registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 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.

    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\2023-06-05_ce4d848ee4e9ee23e18e4626b25a7498_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-06-05_ce4d848ee4e9ee23e18e4626b25a7498_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Modifies extensions of user files
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • 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:852
      • 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:492
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:212
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1244
      • 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:5004
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3636
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4572
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:768
      • 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:5012
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3928
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2624
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:4872
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4080

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2023-06-05_ce4d848ee4e9ee23e18e4626b25a7498_wannacry.exe.log
      Filesize

      1KB

      MD5

      baf55b95da4a601229647f25dad12878

      SHA1

      abc16954ebfd213733c4493fc1910164d825cac8

      SHA256

      ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

      SHA512

      24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

      Download Submit

    • C:\Users\Admin\AppData\Roaming\read_it.txt
      Filesize

      1KB

      MD5

      18f3b64de68b4922b674afaa0f666690

      SHA1

      986fd9c82135218bef8eb6717cb7c2885dd75d7e

      SHA256

      5e2ea25430584ad221a0892fd835ed75adda27c9eb89af719a4aa134d5f0c739

      SHA512

      3ff0a610ff7dce5d467fcaf19f7da33320974806c55d21ced4117efcc69ad693e75bc62f2ea95e727c541d845b30c5bba0648a084914e161f91c358abc3b8dee

      Download Submit

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

      149KB

      MD5

      ce4d848ee4e9ee23e18e4626b25a7498

      SHA1

      45b1256b93ab60ed3dde2bf1612071921904b225

      SHA256

      35325664cfe08afe2a183b9b842f55ad3bc13012ea59f9a619095e820ae8e1d4

      SHA512

      0e1a29de12de473b5b619480a4785ace44c056770034f93fa04182dc264330d795beaf7da9322bb21ef61c915da81a9e2a74e449c6be806b7518b79f09bc54f4

      Download Submit

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

      149KB

      MD5

      ce4d848ee4e9ee23e18e4626b25a7498

      SHA1

      45b1256b93ab60ed3dde2bf1612071921904b225

      SHA256

      35325664cfe08afe2a183b9b842f55ad3bc13012ea59f9a619095e820ae8e1d4

      SHA512

      0e1a29de12de473b5b619480a4785ace44c056770034f93fa04182dc264330d795beaf7da9322bb21ef61c915da81a9e2a74e449c6be806b7518b79f09bc54f4

      Download Submit

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

      149KB

      MD5

      ce4d848ee4e9ee23e18e4626b25a7498

      SHA1

      45b1256b93ab60ed3dde2bf1612071921904b225

      SHA256

      35325664cfe08afe2a183b9b842f55ad3bc13012ea59f9a619095e820ae8e1d4

      SHA512

      0e1a29de12de473b5b619480a4785ace44c056770034f93fa04182dc264330d795beaf7da9322bb21ef61c915da81a9e2a74e449c6be806b7518b79f09bc54f4

      Download Submit

    • C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Window Switcher.lnk
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

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

      1KB

      MD5

      18f3b64de68b4922b674afaa0f666690

      SHA1

      986fd9c82135218bef8eb6717cb7c2885dd75d7e

      SHA256

      5e2ea25430584ad221a0892fd835ed75adda27c9eb89af719a4aa134d5f0c739

      SHA512

      3ff0a610ff7dce5d467fcaf19f7da33320974806c55d21ced4117efcc69ad693e75bc62f2ea95e727c541d845b30c5bba0648a084914e161f91c358abc3b8dee

      Download Submit

    • memory/4852-133-0x0000000000450000-0x000000000047C000-memory.dmp

      Filesize

      176KB

      Download

    • memory/4852-134-0x000000001B040000-0x000000001B050000-memory.dmp

      Filesize

      64KB

      Download