Analysis

  • max time kernel
    95s
  • max time network
    108s
  • 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 16:49

General

  • Target

    b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe

  • Size

    515KB

  • MD5

    a707de664b91d154b941c950986cf6c5

  • SHA1

    003b38f8897911499c02903d8e62d847846e802d

  • SHA256

    b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3

  • SHA512

    c2a1a970ce5a9a40cdb81f4ce740285e678ce1584a2f592f3dcaf14a083ae212dfd7cf014ccbc716bd418613eb0f2a790a7eff16f810d8b6743c707ea8c98f31

  • SSDEEP

    3072:x90uSaZEBc2jrORnQssIJMsaX52NJKY8/d7epmB98g89QP2EKOJjWk29YKvaEAJ:xKnWEBc2jMQsdJMsNNJ+/dB9rP2UjRS

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--- 3E1hCSKyNKBvMOLagh7o4NWP6OEgobzNbxvAi5j7Fhn2e5XHbmjF95MOBU7NCbyG ---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 41 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\b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe
    "C:\Users\Admin\AppData\Local\Temp\b6a686a94338554421eb317735a30245658a6111e41bb33e4c1ba8ebd80ceef3.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8CEAFC9C-1C47-449E-BAA6-0A2B1C9185D1}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{8CEAFC9C-1C47-449E-BAA6-0A2B1C9185D1}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 1000
      2⤵
      • Program crash
      PID:1584
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1688 -ip 1688
    1⤵
      PID:1576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\readme.txt

      Filesize

      1KB

      MD5

      72b95470eda8cc6ec169f6d81ccd795e

      SHA1

      75d4cb61136fc4ac3d99156f2d45422cd8fb3fc9

      SHA256

      5ebc94ed337175acb3845cb372849fd434b34eef6a80caa31e34093017ec0932

      SHA512

      25266e4d99b392a5a6fa68ef35fb271aa3c85b40d01efde859e24ca4f978cecccbb1d9eeffce5c98983fc80629ef145a688170b34f34937222b2c8aa69d1c7d8