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Overview

overview

10

Static

static

10

2024-04-03...ry.exe

windows7-x64

10

2024-04-03...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • 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
    03/04/2024, 15:49

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General

  • Target

    2024-04-03_d6ff005837ddd51800c690a4f3d2bb1c_wannacry.exe

  • Size

    101KB

  • MD5

    d6ff005837ddd51800c690a4f3d2bb1c

  • SHA1

    1e124e594c3dcaeb796870764c5058e7396b8979

  • SHA256

    3ef443961db229c2dd9b90ef7db82eaac674f6da81e43e1d70cad06a0b3a8173

  • SHA512

    8d68f941a0cfc8386f18b59e0123b0dc82a1673e4536f4e250c1be2c6fa732e2117183c1e60f860496e2d303ed97bdc12c8be9687d69a6e0d41a7c73bbf216cc

  • SSDEEP

    3072:Uh0Qq9r+U/AW8OguUhP+CpiB+BGN4E/TsmSXx:Uh0Qq9Xh8OgRmCpiYQe

Score
10/10
chaosevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\3D Objects\read_it.txt

Ransom Note
All your files, such as documents, photos, databases, and other important files, are encrypted. But Don't worry, you can return all your files! You must follow these steps to decrypt your files Message us on tox download is below Toxid:D188F8E65CE16E832EA090D1628F531FD15F78CF751F8BEF0E0B3CBCCA4FD050F243343C2D5A Obtain 200 euros worth of Bitcoin or XMR (You have to pay for decryption in Bitcoins or Xmr. If you don't pay in the first 24 hours it will cost 400 euros and after 3 days it will cost 600 euros. If you don't pay the ransom we will leak or sell your data if it is interesting enough What guarantees do we give to you. You can send one of your encrypted files, and we will decrypt it for free. where you can install tox 'https://tox.chat/download.html' where you can buy bitcoin 'https://www.coinbase.com/'
URLs

https://tox.chat/download.html

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

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

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Detects command variations typically used by ransomware 2 IoCs
  • Detects executables containing many references to VEEAM. Observed in ransomware 2 IoCs
  • 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
  • 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 50 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\2024-04-03_d6ff005837ddd51800c690a4f3d2bb1c_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-03_d6ff005837ddd51800c690a4f3d2bb1c_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:368
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • 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:3304
      • 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:4816
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:3532
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1104
      • 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:2068
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3764
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3136
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4440
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:4072
      • 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:1060
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:400
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:644
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:824
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\3D Objects\read_it.txt
      Filesize

      843B

      MD5

      f5ff3541b9165f1816dd64cbc432e2e6

      SHA1

      8bd1031d2bf65a93cfed279c6f18918a66f130ec

      SHA256

      decc72ed1856b76ad90725031179b26f0e488c6b717c4c19b83f511783936bb5

      SHA512

      33eed7a421cae26dc200c7728442253f33f6784c3c60bb0745494640cff66ac2ea0af847b3f8adb2dbfa87a9a8b722a651e86c5408765e6d6fc9025c3c0537e7

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\2024-04-03_d6ff005837ddd51800c690a4f3d2bb1c_wannacry.exe.log
      Filesize

      1KB

      MD5

      baf55b95da4a601229647f25dad12878

      SHA1

      abc16954ebfd213733c4493fc1910164d825cac8

      SHA256

      ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

      SHA512

      24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

      Download Submit

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

      101KB

      MD5

      d6ff005837ddd51800c690a4f3d2bb1c

      SHA1

      1e124e594c3dcaeb796870764c5058e7396b8979

      SHA256

      3ef443961db229c2dd9b90ef7db82eaac674f6da81e43e1d70cad06a0b3a8173

      SHA512

      8d68f941a0cfc8386f18b59e0123b0dc82a1673e4536f4e250c1be2c6fa732e2117183c1e60f860496e2d303ed97bdc12c8be9687d69a6e0d41a7c73bbf216cc

      Download Submit

    • C:\Users\Public\Desktop\Google Chrome.lnk
      Filesize

      1B

      MD5

      d1457b72c3fb323a2671125aef3eab5d

      SHA1

      5bab61eb53176449e25c2c82f172b82cb13ffb9d

      SHA256

      8a8de823d5ed3e12746a62ef169bcf372be0ca44f0a1236abc35df05d96928e1

      SHA512

      ca63c07ad35d8c9fb0c92d6146759b122d4ec5d3f67ebe2f30ddb69f9e6c9fd3bf31a5e408b08f1d4d9cd68120cced9e57f010bef3cde97653fed5470da7d1a0

      Download Submit

    • memory/368-0-0x0000000000DB0000-0x0000000000DD0000-memory.dmp

      Filesize

      128KB

      Download

    • memory/368-1-0x00007FFA5F780000-0x00007FFA60241000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/368-2-0x000000001BA10000-0x000000001BA20000-memory.dmp

      Filesize

      64KB

      Download

    • memory/368-15-0x00007FFA5F780000-0x00007FFA60241000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3304-16-0x00007FFA5F780000-0x00007FFA60241000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3304-1167-0x00007FFA5F780000-0x00007FFA60241000-memory.dmp

      Filesize

      10.8MB

      Download