Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2023, 15:01

General

  • Target

    2023-08-24_768e86ceb8d6d2eb2aa19f2853819d82_destroyer_wannacry_JC.exe

  • Size

    22KB

  • MD5

    768e86ceb8d6d2eb2aa19f2853819d82

  • SHA1

    b36371f518a0f82a7debd4140a3309245819b2da

  • SHA256

    3cf6a9a95f0e4237aa4c80b67922fc3f4d0e2bf9f15830c0333b910df8cbe834

  • SHA512

    c62e29064134ce427cb7a6a8c3eebe12f276107f3fcf5298e06b935e2c301436fd2a931efaf0dcc744fc70e8d255a6362646de50bb63f5899b222f08ccd64dfe

  • SSDEEP

    384:R3MLWHn3kIGPcSxlR2CpkXsQJHdtKXRIJtwr91Czxb5heG:xn3kIF6jpkNRfKXRACr9ixb7eG

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\read_it.txt

Family

chaos

Ransom Note
----> Chaos is multi language ransomware. Translate your note to any language <---- 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 $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 4 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-24_768e86ceb8d6d2eb2aa19f2853819d82_destroyer_wannacry_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-24_768e86ceb8d6d2eb2aa19f2853819d82_destroyer_wannacry_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4256
    • 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
      • Drops desktop.ini file(s)
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4676
      • 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:2560

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          964B

          MD5

          4217b8b83ce3c3f70029a056546f8fd0

          SHA1

          487cdb5733d073a0427418888e8f7070fe782a03

          SHA256

          7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

          SHA512

          2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

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

          Filesize

          22KB

          MD5

          768e86ceb8d6d2eb2aa19f2853819d82

          SHA1

          b36371f518a0f82a7debd4140a3309245819b2da

          SHA256

          3cf6a9a95f0e4237aa4c80b67922fc3f4d0e2bf9f15830c0333b910df8cbe834

          SHA512

          c62e29064134ce427cb7a6a8c3eebe12f276107f3fcf5298e06b935e2c301436fd2a931efaf0dcc744fc70e8d255a6362646de50bb63f5899b222f08ccd64dfe

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

          Filesize

          22KB

          MD5

          768e86ceb8d6d2eb2aa19f2853819d82

          SHA1

          b36371f518a0f82a7debd4140a3309245819b2da

          SHA256

          3cf6a9a95f0e4237aa4c80b67922fc3f4d0e2bf9f15830c0333b910df8cbe834

          SHA512

          c62e29064134ce427cb7a6a8c3eebe12f276107f3fcf5298e06b935e2c301436fd2a931efaf0dcc744fc70e8d255a6362646de50bb63f5899b222f08ccd64dfe

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

          Filesize

          22KB

          MD5

          768e86ceb8d6d2eb2aa19f2853819d82

          SHA1

          b36371f518a0f82a7debd4140a3309245819b2da

          SHA256

          3cf6a9a95f0e4237aa4c80b67922fc3f4d0e2bf9f15830c0333b910df8cbe834

          SHA512

          c62e29064134ce427cb7a6a8c3eebe12f276107f3fcf5298e06b935e2c301436fd2a931efaf0dcc744fc70e8d255a6362646de50bb63f5899b222f08ccd64dfe

        • C:\Users\Admin\Desktop\read_it.txt

          Filesize

          964B

          MD5

          4217b8b83ce3c3f70029a056546f8fd0

          SHA1

          487cdb5733d073a0427418888e8f7070fe782a03

          SHA256

          7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121

          SHA512

          2a58c99fa52f99c276e27eb98aef2ce1205f16d1e37b7e87eb69e9ecda22b578195a43f1a7f70fead6ba70421abf2f85c917551c191536eaf1f3011d3d24f740

        • memory/4256-0-0x00000000008C0000-0x00000000008CC000-memory.dmp

          Filesize

          48KB

        • memory/4256-1-0x00007FF8259B0000-0x00007FF826471000-memory.dmp

          Filesize

          10.8MB

        • memory/4256-2-0x00007FF8259B0000-0x00007FF826471000-memory.dmp

          Filesize

          10.8MB

        • memory/4256-15-0x00007FF8259B0000-0x00007FF826471000-memory.dmp

          Filesize

          10.8MB

        • memory/4676-16-0x00007FF8259B0000-0x00007FF826471000-memory.dmp

          Filesize

          10.8MB

        • memory/4676-72-0x00007FF8259B0000-0x00007FF826471000-memory.dmp

          Filesize

          10.8MB