Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 21:07

General

  • Target

    2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe

  • Size

    775KB

  • MD5

    2ceaaae95cdd7c53b2285289c2c8219c

  • SHA1

    dad6ab33bdfc9ee19611e22addce66169b6fc3ab

  • SHA256

    8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990

  • SHA512

    8613363d3a5e28d7db3ca535fca9281acbc952629f6bf6b665ff8e2fc48ba0c583019654a6987cee2f62022ff9311ac3a33f07c63b534f3fc54f0462a5d01b7e

  • SSDEEP

    24576:+Csw9+OXLpMePfI8TgmBTCDqEbOpPtpFaFxfq:YnOXLpMePfzVTCD7gPtLaHfq

Malware Config

Extracted

Path

C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\9wFO9_readme_.txt

Family

avaddon

Ransom Note
-------=== Your network has been infected! ===------- ***************** DO NOT DELETE THIS FILE UNTIL ALL YOUR DATA HAVE BEEN RECOVERED ***************** All your documents, photos, databases and other important files have been encrypted and have the extension: .bDCCCaEbda You are not able to decrypt it by yourself. But don't worry, we can help you to restore all your files! The only way to restore your files is to buy our special software. Only we can give you this software and only we can restore your files! We have also downloaded a lot of private data from your network. If you do not contact as in a 3 days we will post information about your breach on our public news website (avaddongun7rngel.onion) and after 7 days the whole downloaded info. You can get more information on our page, which is located in a Tor hidden network. How to get to our page -------------------------------------------------------------------------------- | | 1. Download Tor browser - https://www.torproject.org/ | | 2. Install Tor browser | | 3. Open link in Tor browser - avaddonbotrxmuyl.onion | | 4. Follow the instructions on this page | -------------------------------------------------------------------------------- Your ID: -------------------------------------------------------------------------------- MTU5Mi1Wd0p4NWVncEJUY3NodVJudURyNHpvcEZ6UEdvWlc0a05iN0JCRVJxTEpKcHBOMXpCWFlXc2ZlMEdrL0xJemRia2UveDY0aFI5dlNwalhpdmpDOGJ2SmcwQ1RzdnpRZlNXbXlCNDg2RzZUNWt4dklzV2lGYVVYc3NGdjFQY0hHT29QMFc3YmFEcUhsWGZ6VnFGdEVPWWxzcHRpb3hQbC94SDdEUkd3ZXhVQWQ0aTNDUGVmUWlZZWxnNlZMQkNzdXRqdXQ3SldmZVo2UnIzdWRsQjV2MFQveWFacUNyc05ReU4rOGhoOEtKaEhjZlhXQXE4YWV1OUxIQVNpK0ZPUlB0Y0NneEZwNEZXZE9HSytZWm9OZUtnenhtU2ZnbHJxMEtod3N5ZGQ2SjRPNTNjcm54Uld0TFJJRWZpNFI0bFMySFFWTTJnUEFoN1RtWmNya1lOdGh2anhiemM2MW5raFhEQ2VjUzd3VCs5U3F3QUxXRURpVFo1OXhVNzI0NGxidnhzeXpjN2VoZGdpa1hoK0tqdDRxMTlvZlJEQU9sYzJHSDZDaE5KK0JPeHI2MnYvVkRYNlRiWDVrWkVUTTh2dkF6ZmVRc2RwOXRTUWdFZzdUTkdPUDk4dWl2eW5xUFBtZUFSRithZGNqeTdRb2NacFpUYllJT2hsY0JSUWcyZFVyZkJIdTl5Z3Vpbk01Z2U4Z05VNzRUTUt4dUUyckNocGdkRkU5WjFuVFBJRVdSSFhtaXErTWdpaVV5Tm5PbUdkdDJuS2E2QmUrZzFXNjdpcWMrcHV6YVpxMEJPT1h6eDc1Z2M1TWJSS0IwcmJKMzd5UldoOFBOY0tyT05lcjQ1Q29icTUyVU95eEx6K3p6Z1JSRTlYbUFuZnlOZGRuNXF1NWx1RDFRbW1Ta0plK1lOY2JXNjQvNmVlMDBUZTcyZTVYaWNSZUV5UWo5c2Z5Z2krd1EwSzlQMXpsMktid1RPYzlNSnAvN0tSMmJjcTJidlg5a2lsRGJkOEpWQy9KRUpFc291a0pJdW1oemRKWXB5Zjh0NG8wN3AyTWNMTmhESlZMa1FTMnh6UzlHZ3NWcmdiaXZzbkFrM1M4ODNQWnBId1hObEVta05neU5ocGNBWVZWNW5NN1I5cUpFVXFyWVVmVFY5ZTRYQmd0ditxcmxWazRWZ2hmUFRqQStTbCtMV3ZmU3FWcnkzZlIrb2lIVmdVZTljaUpTeEZXTGlWVVdHTmJJaU1UL1J1OEV1cUxkaHRBR1VTSWZhaVhxMGlRamFWM21MdWlqdW9MRXEzZVFDdXBiV2IzVERWbG9QQ0VhRFJ2QVBHMWd4aDRacW5WdXQwdDN5dmJPbjV3d2VWYUhJQ2dKQm1LdjgxMlJ5SUIrNWNPb1gyeVIwT3BmR0loWEEvaXczOEJCZWd6TUFkYjVQRWx1NExPVEdQS0VzbkFicUdmcm9kZGlNbXp6QjFEaGVDVFM0VHFoQlFSdHRlTVc0UEVtdEU1WlFEalJvVzdEYUlLQWVGMGxrdGYzVWtyZyt5YVJiNFJFUG5qcDAyS3gvL21PSlZaTVkvQmN0Ky83TkZOSzJ3enE0TTRKZDRXbUFRODUzREtkRXBxNzdEMWE2RWw2N3ZEVlRGMkRWVHM3NUZ3YkkwSlplN0loZFNLTHpmaVF0VGFBRUtrY3ZCTk8zVnBZODRGQllxNUNoNTJrNjFnQWxPZWtXMjNFa3hwNEpZZHhtMmpqNnBSNGFXenpaeUErSE00RXFoOHFMWnJEdUJOZ0tMdFd4bEt2TEFKRUJkRjVrSXRxaVdSRlEybVBxdjMwRytSRUdpS0JRY1lYZ2RvUTNoNnBjMkNNZjNKRm5ERExFRWVPRHkzNDVvdVI0Qk5JQ3JCVDdBNUdaN3UxREN3VkhQcUN5N2Z5cXoyVjU5bG1ibTRNd0JJWUw0QmYzVDVlM0tkY2lnVHRCNTQ5Nm9oYTNHcW5BRVNsOXMrUWdGWUoySU02SDFldk02ek5icG9XOHlTYlNuSGdzcjNEc1k3OUYyZHlib0NoQmp4alhZR1RPTXpqNTRKVUF1RnBPeU9nZGNFakt1L0VSSk5tZmRHa0VhbkxHRXJRSFN0RXd6YXBuTmdTWjdLa1JJUExXM2tuUTlpVzB6Z1o4SDE3cldBUHFKSEJzUT09 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * VYqlU0BqHtI
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Downloads\9wFO9_readme_.txt

Family

avaddon

Ransom Note
-------=== Your network has been infected! ===------- ***************** DO NOT DELETE THIS FILE UNTIL ALL YOUR DATA HAVE BEEN RECOVERED ***************** All your documents, photos, databases and other important files have been encrypted and have the extension: .bDCCCaEbda You are not able to decrypt it by yourself. But don't worry, we can help you to restore all your files! The only way to restore your files is to buy our special software. Only we can give you this software and only we can restore your files! We have also downloaded a lot of private data from your network. If you do not contact as in a 3 days we will post information about your breach on our public news website (avaddongun7rngel.onion) and after 7 days the whole downloaded info. You can get more information on our page, which is located in a Tor hidden network. How to get to our page -------------------------------------------------------------------------------- | | 1. Download Tor browser - https://www.torproject.org/ | | 2. Install Tor browser | | 3. Open link in Tor browser - avaddonbotrxmuyl.onion | | 4. Follow the instructions on this page | -------------------------------------------------------------------------------- Your ID: -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * sAy7JDyA7V0JoL
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Signatures

  • Avaddon

    Ransomware-as-a-service first released in June 2020 and currently expanding its userbase among criminal actors.

  • Avaddon payload 1 IoCs
  • Process spawned unexpected child process 3 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 2 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (133) files with added filename extension

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

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1676
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4932
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2164
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:3272
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:688
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:1396
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:3220
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3360

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2024-09-21_2ceaaae95cdd7c53b2285289c2c8219c_avaddon_cobalt-strike.exe

      Filesize

      775KB

      MD5

      2ceaaae95cdd7c53b2285289c2c8219c

      SHA1

      dad6ab33bdfc9ee19611e22addce66169b6fc3ab

      SHA256

      8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990

      SHA512

      8613363d3a5e28d7db3ca535fca9281acbc952629f6bf6b665ff8e2fc48ba0c583019654a6987cee2f62022ff9311ac3a33f07c63b534f3fc54f0462a5d01b7e

    • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\9wFO9_readme_.txt

      Filesize

      3KB

      MD5

      d99ec7bf59f815b5ba03ebc4321a3d24

      SHA1

      8c3e3c99c40b8c73f507b604c93f8df406a31e52

      SHA256

      f3061a0881907032d927adfef511e063e6abc2ea43d75a1704788551cbb859c0

      SHA512

      97fa4674a216e1181d001ceac2bde17bcd67b3505e4ebe6444aba405dfc2c25e62ab02898f77191af903f9c2ab5b65f03bbcddc4022f5b9c5b4d7b19cee31b1e

    • C:\Users\Admin\Downloads\9wFO9_readme_.txt

      Filesize

      3KB

      MD5

      05b443ba9ad0ae2e94f682a87fe43cc0

      SHA1

      1f71b0c59c9b23591832a58a975b2a3e78f4787c

      SHA256

      9b52732908e8c250264b48a4f63dac50e63544edefb9f90aad71fb5b7e8e522f

      SHA512

      e6435514dd6a619f7c509b7247a71a58ebacbbfba120936606124fa393e61f1229742e85a874432f4171ffb37584eb491bbca9f5d65b11ab4edb75195bd90da6