Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 15:36

General

  • Target

    f218bd818d6ed55f2db6d7907d8c03040d1c8f71841e5b5a46e90531cc77f5d6.exe

  • Size

    515KB

  • MD5

    83848a20f22e2db86b700520b5c3af69

  • SHA1

    71c1d23dd905ae91183d61d6f703fb803b5c3926

  • SHA256

    f218bd818d6ed55f2db6d7907d8c03040d1c8f71841e5b5a46e90531cc77f5d6

  • SHA512

    b1f9cd195e3ec3144efdf132a2a34bc59ad41309cd29cfc7625b8fcf30f18e5a540a203b6f17c75332c25af70019c4f3a7619e4db3b0ad2e7d7743a2a6233876

  • SSDEEP

    3072:uPaYEBc2jrORnQssIJkP52+JKY8/d7epmB98g89QP2EKO0+5Wk29YKvaEAJ:zYEBc2jMQsdJkQ+J+/dB9rP2v+5RS

Malware Config

Extracted

Path

C:\ProgramData\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.xyz/ YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- ec5sSORrGN3JYtjUtK7QvDv7ZtnFwgcUnCEmqJITc9YfyoAPydlyCoE1FHyB8wCq ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.xyz/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Drops file in Program Files directory 44 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • 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\f218bd818d6ed55f2db6d7907d8c03040d1c8f71841e5b5a46e90531cc77f5d6.exe
    "C:\Users\Admin\AppData\Local\Temp\f218bd818d6ed55f2db6d7907d8c03040d1c8f71841e5b5a46e90531cc77f5d6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9B1C0B51-DF9F-4F59-949C-517E6288FE02}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{9B1C0B51-DF9F-4F59-949C-517E6288FE02}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4572 -s 2024
      2⤵
      • Program crash
      PID:2492
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5028
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4572 -ip 4572
    1⤵
      PID:2652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\readme.txt

      Filesize

      1KB

      MD5

      d030c401512051cf275eb9d2b61f327e

      SHA1

      eaf4022b5b6cd27b9e4a833d4863a3de6f65b819

      SHA256

      7d6b2b2e67b72d46d10f8dbf0233bd3fa94ac11d839148e305d0190268ca6edb

      SHA512

      e4d6864c785da9d703cc298b31f94887b914950fdb2ed635232e35baa6c4d8674fe8d327c1cde2808cbceb922136fcfe46d6591d6988125a09f414c2ec07df9d