Overview

overview

10

Static

static

1.exe

windows7_x64

10

1.exe

windows10_x64

10

Analysis

  • max time kernel
    43s
  • max time network
    45s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    31/12/2021, 08:05

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General

  • Target

    1.exe

  • Size

    1.0MB

  • MD5

    42800d065e5855e261cc617fa688850f

  • SHA1

    6c7b35e36830c1cc613fb08280ee25e5fbba9937

  • SHA256

    24ac73821de77cc9644d2ac40e97067ff63f625b5f20e085ad10535e47d7db59

  • SHA512

    9e6e09aa81666c491058773b312d2c3178c4d6d6d295c455e8ad40f186f2081a6cc3b00e6a9eeefd66a806e05019d496cb2d54e2dcf45cc6b63ab7d55f9c2154

Score
10/10
contiransomware

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://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/rw0J6Ap3LZNfxsJyo6UpClQbrgD1dzRjxZLVZep0QQEFdl01ihbHIkEvZt91EvtA 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--- rw0J6Ap3LZNfxsJyo6UpClQbrgD1dzRjxZLVZep0QQEFdl01ihbHIkEvZt91EvtA ---END ID---
URLs

http://contirec7nchr45rx6ympez5rjldibnqzh7lsa56lvjvaeywhvoj3wad.onion/rw0J6Ap3LZNfxsJyo6UpClQbrgD1dzRjxZLVZep0QQEFdl01ihbHIkEvZt91EvtA

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops desktop.ini file(s) 28 IoCs
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{83F9F456-EB31-477C-9802-9A0BF76D63FC}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{83F9F456-EB31-477C-9802-9A0BF76D63FC}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3352
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2420
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    • Suspicious use of FindShellTrayWindow
    PID:600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2440-115-0x0000000000620000-0x00000000006CE000-memory.dmp

    Filesize

    696KB

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