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Overview

overview

10

Static

static

10

5af3a0894e...ae.exe

windows7-x64

10

5af3a0894e...ae.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 13:29

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General

  • Target

    5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe

  • Size

    775KB

  • MD5

    4e36274238eb6d09c22156eba0128542

  • SHA1

    25e039d8a5cfd0438410ff85233bb20e9dc2f34f

  • SHA256

    5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae

  • SHA512

    f6424cf84f6d928982c98423bf41f7905ba0b44aede4b8eb40e90138d7238d03e67987576c95963cb1cac76747b05853269a4ad3ceaf330ead6da632db62843c

  • SSDEEP

    24576:+Csi9+OXLpMePfI8TgmBTCDqEbOpPtpFaLxfq:Y5OXLpMePfzVTCD7gPtLaNfq

Score
10/10
avaddonevasionransomwaretrojan

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\ZaKvt_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: .bCDEDAABbD 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! * * * mKWeZ7VaA0mYrVPZW8qLdVnOqP8DT
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Documents\ZaKvt_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: .bCDEDAABbD 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! * * * 8
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.

    ransomwareavaddon
  • 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
    evasiontrojan
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (133) files with added filename extension

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

    ransomware
  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • 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\5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe
    "C:\Users\Admin\AppData\Local\Temp\5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3620
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:3636
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:4748
      • C:\Windows\system32\wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of AdjustPrivilegeToken
        PID:3664
      • 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:5060
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:4904
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe
          1⤵
          • Executes dropped EXE
          PID:1500

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae.exe
          Filesize

          775KB

          MD5

          4e36274238eb6d09c22156eba0128542

          SHA1

          25e039d8a5cfd0438410ff85233bb20e9dc2f34f

          SHA256

          5af3a0894eb834e2b539d8c340995450531325abef1ddf14fc35b463ab9867ae

          SHA512

          f6424cf84f6d928982c98423bf41f7905ba0b44aede4b8eb40e90138d7238d03e67987576c95963cb1cac76747b05853269a4ad3ceaf330ead6da632db62843c

          Download Submit

        • C:\Users\Admin\Desktop\ZaKvt_readme_.txt
          Filesize

          3KB

          MD5

          0a06e29c6042faadb2deb8c13883ff4d

          SHA1

          79aced091631f5483b476fe5491a4b3676ff7dc4

          SHA256

          11cb9ff312e910f714399bcb6efde6cbfb7fed51ef55db045ce705c1b9c20bdd

          SHA512

          8a60d7c87f571bb2d5acdcc40a07eaa30a6142ba216a27f23b4e8be5aa5fbbfc5faa231004d14a0bfbcd5ce623f491d06df2d35f45437a6e5f0114280997dcde

          Download Submit

        • C:\Users\Admin\Documents\ZaKvt_readme_.txt
          Filesize

          3KB

          MD5

          72074ec23fdb77b1a24d722e49ea0d49

          SHA1

          def776baadc93f5aaa29777e232c49a175e60273

          SHA256

          8aa31bfc08389f36d66f680a86ecae381622ae08b9c2a14c7a02958e740c68e6

          SHA512

          efd9932b583f26624e1fd87e4123b8a7736c6e76e3e8fe1a651631eb93de19e14605ddc1fc6d6e5750bc61ad9054af501a9cf7eea43dd7f05a202039edb6fb65

          Download Submit