Overview

overview

10

Static

static

3

3dd56e8cb0...ba.exe

windows7-x64

10

3dd56e8cb0...ba.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 15:35

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General

  • Target

    3dd56e8cb09469eeae1737ce1f7a2414ce7a2d019e685cd80f81e1fea56758ba.exe

  • Size

    514KB

  • MD5

    a9989d691d4a509fba4fbc2a26bcb54f

  • SHA1

    0e7e0d1ae5ec4d691de59892aa45ee80069e079d

  • SHA256

    3dd56e8cb09469eeae1737ce1f7a2414ce7a2d019e685cd80f81e1fea56758ba

  • SHA512

    eeae35103e66711cd8015ff4d0ee3c36eb030b5b6f326177075f5a02328ead68ebcad3f839ae3ef50bf8e4444aa9c597bd9b8ba25989ba1a2de9722d29f2b429

  • SSDEEP

    3072:fvOXfbBI4++rye6iLfv7FizEPB5Oe4UKXqlc8Lm87wgZPyzOmem0:eXzin6jwUKXSL/hIOH

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.click 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--- lWL5aqUDwBJQsqHmM6OkU1yOTGOiNHcCdTAyuj6A1xKUIz98qMCGpifNoPeYSXBA ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.click

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Renames multiple (7344) 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 2 TTPs

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

    spywarestealer
  • 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 2 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\3dd56e8cb09469eeae1737ce1f7a2414ce7a2d019e685cd80f81e1fea56758ba.exe
    "C:\Users\Admin\AppData\Local\Temp\3dd56e8cb09469eeae1737ce1f7a2414ce7a2d019e685cd80f81e1fea56758ba.exe"
    1⤵
    • Drops startup file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{70143ADF-5466-4A13-84A7-BA59735813EC}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{70143ADF-5466-4A13-84A7-BA59735813EC}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:752
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\readme.txt
    Filesize

    1KB

    MD5

    306b84b6dfba111b3e824d86804998f1

    SHA1

    7c1cb91fc2b13ca9b6e96407e12e9811a245eab1

    SHA256

    3d1d151274bffd401a292c2d6a9c165a757d60e9910e0a04b13ab2feb2655854

    SHA512

    a0313e4a392aeeb17271d007eea708d19e598525f9a78a6c2aa1fb4485ca7b54686c4c0f87b41606729f1d42ee4419f5e25e56aaeddb887fd5f7e57ed200ea0b

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