Overview

overview

10

Static

static

3

ef3085e0-e...bd.dll

windows7-x64

10

ef3085e0-e...bd.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 14:06

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General

  • Target

    ef3085e0-e173-4f18-9e18-fada2a2171bd.dll

  • Size

    190KB

  • MD5

    f61817daf163c6617b22418bc887b9d3

  • SHA1

    e78d49cd87c37659890603bee2acca888ab381fd

  • SHA256

    03597628e999d791f4cc442328024235db9a929467a62ef0a00c91a76161f0e1

  • SHA512

    3e0cd971b6d5d3721f710a7814b320596541bcb7f021f48353a0effc24282fa241c73ce5a76ef85ebffa686f1699ccab2e8c24ad20632461cc84e2befbd74366

  • SSDEEP

    3072:HJkg5cAzJkv06HGaVpiehqpGDYwAM/cNfK89j8Qa34o7dVxt:HFcuVqTATicDNYVb

Score
10/10
contiransomware

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--- wSpHH7e2NMHQ5dF3CSF5k29fvPRrxASNCdHphh0cOIGmOYvJHhhhcCmIpcX9XbW9 ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.ws

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Renames multiple (7338) files with added filename extension

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

    ransomware
  • Drops startup file 1 IoCs
  • Drops desktop.ini file(s) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ef3085e0-e173-4f18-9e18-fada2a2171bd.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\ef3085e0-e173-4f18-9e18-fada2a2171bd.dll
      2⤵
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1100

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Program Files (x86)\readme.txt
    Filesize

    1KB

    MD5

    df7b95b1555951e1c1095ec1a913f78a

    SHA1

    076812ba99a65a76f6510824f9317c85b7a65bdb

    SHA256

    15ac17280f7e4b43eb21c090792465494eede0937897c271eb1cc14733dc371e

    SHA512

    b85bee418326445ed0efd217cb92432138ad63b46ff41d98a85d2af648698448f1680a320669ec4d1a735c8a40d5747983652d02fafc5c9737747e659f4f8e30

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