Overview

overview

10

Static

static

4d8e709832...le.exe

windows7_x64

10

4d8e709832...le.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    28-09-2021 08:25

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General

  • Target

    4d8e709832dc3b6cc9283dc2c79eac0d9a4092b1a3b180d7cc7ec6902b7a128c.bin.sample.exe

  • Size

    194KB

  • MD5

    783d5a6f010336bf47803a5570fd0997

  • SHA1

    e12cd3ebc23579f43ba7ec0cf07b29c79dc7dbe6

  • SHA256

    4d8e709832dc3b6cc9283dc2c79eac0d9a4092b1a3b180d7cc7ec6902b7a128c

  • SHA512

    5ed5ee8e23c0a95687172d8f8f39ac326f2ab5dd0c77b37fab281a2519cc07aa947db2ded9d4dea2e24e70f82cb932f350e7be9c56d9dbd96d1b5c64b5c039d0

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.best 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--- kIMwRiJMYagUKYvgcAnatmeOcTGtn0P5qPcsuJzFFCfe7FETBGrgdmWwWz73nQeb ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 6 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 desktop.ini file(s) 32 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d8e709832dc3b6cc9283dc2c79eac0d9a4092b1a3b180d7cc7ec6902b7a128c.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\4d8e709832dc3b6cc9283dc2c79eac0d9a4092b1a3b180d7cc7ec6902b7a128c.bin.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D3E78C1-16F5-45C2-8C51-8B602BF398FB}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{2D3E78C1-16F5-45C2-8C51-8B602BF398FB}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3440
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3464
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    PID:2344
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k appmodel -s tiledatamodelsvc
    1⤵
    • Drops file in Windows directory
    PID:3692

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

  • memory/2388-115-0x0000000077820000-0x00000000779AE000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/3364-116-0x0000000000000000-mapping.dmp
    Download
  • memory/3440-117-0x0000000000000000-mapping.dmp
    Download
  • memory/3692-118-0x000001D2A1DC0000-0x000001D2A1DD0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3692-119-0x000001D2A2560000-0x000001D2A2570000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3692-120-0x000001D2A4C00000-0x000001D2A4C01000-memory.dmp
    Filesize

    4KB

    Download