Overview

overview

10

Static

static

3

2025-02-05...ti.exe

windows7-x64

10

2025-02-05...ti.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2025, 09:45

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General

  • Target

    2025-02-05_18674901e511985f39b75289ef95e30b_conti.exe

  • Size

    196KB

  • MD5

    18674901e511985f39b75289ef95e30b

  • SHA1

    d3614c831e35d8726f3eb484bf6a502088a64e98

  • SHA256

    3a7d45102776702bd32c65e34071db9403ea1a482c42f7a1a919c5ab6baf096b

  • SHA512

    864f7c06fae1a05302f70a0e4719dd4b59122e0c8ebaf534a757113b1d080f1e62208c159457306e83efd04e495f96c4a7d275806b63251da39c474c88aab773

  • SSDEEP

    3072:CmFTIW6NmG0jQm78u+aXJzuDyyUmaP/E61VoMU9FLBD9PKigvPXNYzA9:CoTIt0GkQ2JziBUma0oVmJDhKku

Score
10/10
conticredential_accessdiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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--- WIzXR2lGvuQk29m1PY7u4rlctcqqD9r7P8cxcChaQuFbVn9c3SEhznrejtQj3jBf ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Conti family
    conti
  • Renames multiple (7379) 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) 31 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\2025-02-05_18674901e511985f39b75289ef95e30b_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-05_18674901e511985f39b75289ef95e30b_conti.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:740
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{180374A4-4759-4B13-A81F-05A13081487F}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:244
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{180374A4-4759-4B13-A81F-05A13081487F}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4752
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\readme.txt
    Filesize

    1KB

    MD5

    8f6296784a2d2a437c579768503f8737

    SHA1

    937b7bab4c20d01d8c9d324c830a14f73cb534a8

    SHA256

    946ca299d775712a93ca6d5daf44b96c986385a584001bf40730eebe86df9071

    SHA512

    f798844b0b44ee8baeba06caf9ac994bc8ad454a9923894567f04154eeeaccd5a171262bf8d0f69356cbed40356f194bf0d7d069ab3c7ba6741642d1e0b0673d

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