Overview

overview

10

Static

static

49dc5a243d...le.exe

windows7_x64

10

49dc5a243d...le.exe

windows10_x64

10

Analysis

  • max time kernel
    110s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    25-11-2021 11:31

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General

  • Target

    49dc5a243d322cd4d467e5f24b61ff749869564ddcf6a2f700839cf5ae9e37ea.bin.sample.exe

  • Size

    194KB

  • MD5

    43d007e18d3a1530c7f2366184bee5df

  • SHA1

    652f652a69ab3d5ae0286ec6b8fab4e449a34e71

  • SHA256

    49dc5a243d322cd4d467e5f24b61ff749869564ddcf6a2f700839cf5ae9e37ea

  • SHA512

    90ea2fccfadee1f71b0afa7f1e29a23e283490bf1056f6d0c950c2808045cff1d17488d8fee0ad4d9cde428296da08663b3da19feaba8e9ad7840c83e5c8294a

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--- 5KEOMrg0lF6tBxEgdo1JUUHe11vExfn5zBjloyzWOJWPIkx8TgpAkPltsJWCeeaC ---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 2 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
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49dc5a243d322cd4d467e5f24b61ff749869564ddcf6a2f700839cf5ae9e37ea.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\49dc5a243d322cd4d467e5f24b61ff749869564ddcf6a2f700839cf5ae9e37ea.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:2784
    • 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:1184
      • 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:932
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4088
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1324

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

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\readme.txt
    MD5

    455dab7ac61e9ac9b18f6faee4075f52

    SHA1

    724ad308929dde423b67385325330cf823f0e114

    SHA256

    bde6c3c0ccc399395b3db5a77b3615859207ad047d26c8efee26455ba30fa435

    SHA512

    d77398a73d29b7b23c1346ccf4d7e1a237a309a17735cbdab9c151e365fb9f59337b88d818a67c68e8330126fcbcb576cfa67d820812a353997f09455d253345

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  • memory/932-119-0x0000000000000000-mapping.dmp
    Download
  • memory/1184-118-0x0000000000000000-mapping.dmp
    Download