Overview

overview

10

Static

static

3

Conti.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    40s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 18:00

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General

  • Target

    Conti.exe

  • Size

    185KB

  • MD5

    7076f9674bc42536d1e0e2ca80d1e4f6

  • SHA1

    854485ee63e5a399fffe150f04cd038d6a5490ef

  • SHA256

    ebeca2df24a55c629cf0ce0d4b703ed632819d8ac101b1b930ec666760036124

  • SHA512

    71c507108cc0c8b5609076672bd0b64a42c015995fe7220aa97e273c1754e63271edb06b284f4fc01b71a4751c1bcac0f572339e94ff0fd538dc0250caa9181a

  • SSDEEP

    3072:+qS7gtGIeq8KxrvRp1MImcZeuLaxugfCJsOlq8WkJK0BOog/Tt3onM9kHpOBae4f:zS7gtyuzFxm16axugfqlMw5g5BkOdSlr

Score
10/10
contiransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files (x86)\R3ADM3.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI ransomware. If you try to use any additional recovery software - the files might be damaged or lost. To make sure that we REALLY CAN recover data - we offer you to decrypt samples. You can contact us for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion HTTPS VERSION : https://contirecovery.info YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded your 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 ASAP. ---BEGIN ID--- V8gTskvaU8gGgzzk0qC2sM90noCXm1AgvCkADBk9JhxwjahEd2MSBLQ5sgBZOEkq ---END ID---
URLs

http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion

https://contirecovery.info

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Renames multiple (7313) files with added filename extension

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

    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) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Conti.exe
    "C:\Users\Admin\AppData\Local\Temp\Conti.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F4E627C-7431-49CD-9829-BEAF7BF7B2B5}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F4E627C-7431-49CD-9829-BEAF7BF7B2B5}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4056
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5104
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\R3ADM3.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:8900

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Program Files (x86)\R3ADM3.txt
    Filesize

    846B

    MD5

    e6f001fc98cb51a0429ca5dc95f6a950

    SHA1

    16a73b95d0b5408fa95c97bc9f314f1eff4902b4

    SHA256

    acf1bb83790c25806dd3c29e0b453002397c7fe7abc25a3470ae4e3164f9f31b

    SHA512

    11e65ed0e80aedb497ab40edf5d3f756b121527cb1102408cdd9f146549c849a41a16fc908bb284c920b061c6b37723117b929de150a62cd61273c40e660168c

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