Overview

overview

10

Static

static

35d49eb7fa...le.exe

windows7_x64

10

35d49eb7fa...le.exe

windows10_x64

10

Analysis

  • max time kernel
    110s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    30-11-2021 10:07

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General

  • Target

    35d49eb7fa8740a53d6a84de7fd9b7d177df8d96d25a67b1bc18d2b685988828.bin.sample.exe

  • Size

    194KB

  • MD5

    5956ee31b3479f3e1b79456dc42ef8b8

  • SHA1

    83fb1f0ecbde4ef2047b2c44626b432c4f2926af

  • SHA256

    35d49eb7fa8740a53d6a84de7fd9b7d177df8d96d25a67b1bc18d2b685988828

  • SHA512

    6c7a11c3c72c0f32000b7f7752ae538053cf9e12fbd534f8752539bb1b294f6c386289166e6cdaa6d620234cf5965b96ab753d2443f2af9de50291dd57bb8c49

Score
10/10
contiransomwarespywarestealer

Malware Config

Extracted

Path

C:\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.click 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--- 5Lk35FZpAJaS9o56cbGKXqYWAqtrRyiwdqySVf6ih1cry934bj3UlYG9dxJ7BXMb ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.click

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35d49eb7fa8740a53d6a84de7fd9b7d177df8d96d25a67b1bc18d2b685988828.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\35d49eb7fa8740a53d6a84de7fd9b7d177df8d96d25a67b1bc18d2b685988828.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF6BEA9C-45E8-4C04-814F-EBA74A04A6CD}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{EF6BEA9C-45E8-4C04-814F-EBA74A04A6CD}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:664
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1292

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

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Downloads

  • memory/664-119-0x0000000000000000-mapping.dmp
    Download
  • memory/1572-118-0x0000000000000000-mapping.dmp
    Download