Overview

overview

10

Static

static

3

da05567a6e...3a.exe

windows7-x64

10

da05567a6e...3a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    95s
  • 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 16:45

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General

  • Target

    da05567a6e292ab184169166ca230edaf3e8e9bc5effcb649901f589105b1b3a.exe

  • Size

    511KB

  • MD5

    3d9ff7ab008e83fa73805d2fb279b5e1

  • SHA1

    ab25c30a8afd284f407b38282a54ccc4405f7ae4

  • SHA256

    da05567a6e292ab184169166ca230edaf3e8e9bc5effcb649901f589105b1b3a

  • SHA512

    9813558af0585c842f5048174ab7c97f2fc18e6bc28dddec3d485142939f036a32e1017bf8bd9fe6e84851100dbe3f0adb969d8547db93ff027473cea2c0a47f

  • SSDEEP

    3072:ya23a5c8ZAdXWY7s/OJpAGiVBzoCeRZdxOnHiF2GBh3RkiBRK90fTXc:ya23a5c8Z88/Yad7e2uHP3K0c

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.top/ 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--- NXR9XClwrrvBhYCUBbghiXLYcoV4ZvFK9nG5ROLAAeRJ5fjzy59fF1FGFZftJ1fE ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.top/

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Renames multiple (70) 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\da05567a6e292ab184169166ca230edaf3e8e9bc5effcb649901f589105b1b3a.exe
    "C:\Users\Admin\AppData\Local\Temp\da05567a6e292ab184169166ca230edaf3e8e9bc5effcb649901f589105b1b3a.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:396
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BA175DB9-2CF3-48F1-A672-0E52F9673828}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{BA175DB9-2CF3-48F1-A672-0E52F9673828}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 2188
      2⤵
      • Program crash
      PID:2848
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4548
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 396 -ip 396
    1⤵
      PID:3676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\readme.txt
      Filesize

      1KB

      MD5

      b09421db407d07cecd7aaa502f3d3285

      SHA1

      8eabdcbb000e14771f6fefac998eb561195dc940

      SHA256

      95d94695f3c26ca2000a047d2d272a4552d452c8b3e6e3371ac427b3a43db30a

      SHA512

      455e6a0494a640b4079e3b635e6d4311a55af3110f41de2c0e14c6e909d24d9839f123155a7b712012b6cc60838605857565ac7a6571dcef935a8eca7604460b

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