Analysis

  • max time kernel
    96s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 17:18

General

  • Target

    19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll

  • Size

    510KB

  • MD5

    760992a7845d46bf001c18a945f5894c

  • SHA1

    3ba9b53bffb29f4c6f0cce90fca953d31b101542

  • SHA256

    19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4

  • SHA512

    601b3621be17768be4f8dd4b6a943f6822ba8b6db981d88e112c7cbe5f91bb1493c10b1fdb543e16077ef08e433102eb6390985a29282f621e6fc20f3f766614

  • SSDEEP

    3072:1Qkg5cAzJkv06HGaVpiehqpGDYwAM/cNfK89j8Qa34oYrxxt:1EcuVqTATicDNxrxb

Malware Config

Extracted

Path

C:\Program Files (x86)\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.ws 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--- XjezdRHFUimUr0tH8ArgmB2GSC70BzFRJYEeECCr4z5a0x6WoIRHtqlcNzOjkZOq ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (7961) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 1 IoCs
  • Drops desktop.ini file(s) 46 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\19054042f099955c1a9672d87cf43275e48d0797a39f11dc8aad7e35233186b4.dll
      2⤵
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\readme.txt

    Filesize

    1KB

    MD5

    cc018ffba18aff631ff9554af7c09546

    SHA1

    6e779cbf40a8cef2045ea1bf67c9b6730b94c66e

    SHA256

    b1921403f7abde8d1d4485ce03ed3807a81517aec915e64ef3e5640cfece219c

    SHA512

    87f9309d34058ec0ac9c357d1b336b094556996fcebc9729820fe2c41f0413fde1995aab91f479c8228aa2bd0cb8ea5988ff3c61e74be3a7786f3a89511f82d8