Overview

overview

10

Static

static

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

7

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

9

Ransomware...KB.exe

windows10-ltsc_2021-x64

9

Ransomware...KB.ps1

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Ransomware...KB.msi

windows10-ltsc_2021-x64

10

Ransomware...KB.exe

windows10-ltsc_2021-x64

10

Resubmissions

31/03/2025, 00:22

250331-apdw1ssjs8 10

28/03/2025, 22:52

250328-2tfd7avl15 10

25/03/2025, 14:57

250325-sb3mbsxxht 10

Analysis

  • max time kernel
    445s
  • max time network
    554s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    28/03/2025, 22:52

Sharing

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Report Analysis Logs

General

  • Target

    RansomwareSamples/Conti_22_12_2020_186KB.exe

  • Size

    185KB

  • MD5

    7076f9674bc42536d1e0e2ca80d1e4f6

  • SHA1

    854485ee63e5a399fffe150f04cd038d6a5490ef

  • SHA256

    ebeca2df24a55c629cf0ce0d4b703ed632819d8ac101b1b930ec666760036124

  • SHA512

    71c507108cc0c8b5609076672bd0b64a42c015995fe7220aa97e273c1754e63271edb06b284f4fc01b71a4751c1bcac0f572339e94ff0fd538dc0250caa9181a

  • SSDEEP

    3072:+qS7gtGIeq8KxrvRp1MImcZeuLaxugfCJsOlq8WkJK0BOog/Tt3onM9kHpOBae4f:zS7gtyuzFxm16axugfqlMw5g5BkOdSlr

Score
10/10
conticredential_accessdiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\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
  • Conti family
    conti
  • Renames multiple (8499) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 28 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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\RansomwareSamples\Conti_22_12_2020_186KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\Conti_22_12_2020_186KB.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4020
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F55A0F9-3377-4132-A01C-C6268416BD82}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{4F55A0F9-3377-4132-A01C-C6268416BD82}'" delete
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4072
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4280
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:5460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\R3ADM3.txt
      Filesize

      846B

      MD5

      e6f001fc98cb51a0429ca5dc95f6a950

      SHA1

      16a73b95d0b5408fa95c97bc9f314f1eff4902b4

      SHA256

      acf1bb83790c25806dd3c29e0b453002397c7fe7abc25a3470ae4e3164f9f31b

      SHA512

      11e65ed0e80aedb497ab40edf5d3f756b121527cb1102408cdd9f146549c849a41a16fc908bb284c920b061c6b37723117b929de150a62cd61273c40e660168c

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