Overview

overview

10

Static

static

3

513c18df31...a4.exe

windows7-x64

6

513c18df31...a4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 17:19

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General

  • Target

    513c18df31e04137e97b90bdc36da10bf2cb1036f0911ab14ab46fc630149ca4.exe

  • Size

    511KB

  • MD5

    772cf40cf86d569715fc1feb47072d1b

  • SHA1

    f51c62c00d157d449e3739f1a104237d9e764c8a

  • SHA256

    513c18df31e04137e97b90bdc36da10bf2cb1036f0911ab14ab46fc630149ca4

  • SHA512

    25a882ec342917e3d5fe200a7927c4afa2dbcb989108e66e0ed502efa9ce6d42c73f965eb60fa316d49f344f09a7cbe63a10f68c649544801f75cac0ef9e4422

  • SSDEEP

    3072:TPUE8IW6NmG0jQm78rmaZoDyyUmaP/E61VoMU9FLBD9PKigvPXNYzA9QKjhD:TPUE8It0GkXRBUma0oVmJDhKkuQqD

Score
10/10
contidiscoveryransomware

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
  • Renames multiple (75) files with added filename extension

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

    ransomware
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • 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\513c18df31e04137e97b90bdc36da10bf2cb1036f0911ab14ab46fc630149ca4.exe
    "C:\Users\Admin\AppData\Local\Temp\513c18df31e04137e97b90bdc36da10bf2cb1036f0911ab14ab46fc630149ca4.exe"
    1⤵
    • 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:2256
    • 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:1220
      • 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:4488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 2176
      2⤵
      • Program crash
      PID:2292
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1760
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2256 -ip 2256
    1⤵
      PID:2448

    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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