Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 13:20

General

  • Target

    d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.exe

  • Size

    441KB

  • MD5

    b1758767d10c75d1589c16763fca6fd3

  • SHA1

    2722f21a31859ea735e908a1c705d07b139e3b12

  • SHA256

    d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb

  • SHA512

    93bdfaf8a7b35e3c0110e931a35c5a901c8acf06b36dd9e8cba9b770be642525ba0350ae94d68556961b06b0d802cd2e1997fc73849c643f76eba721215abf5e

  • SSDEEP

    12288:5I7bv0KUN/9MISQBqz9xbwL5A++dMncx4wjSvh:K7QzuyErzrSwjMh

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\tUJpjL8_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: .bDDbCbabee 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! * * * SqdPDw0RIJ8qTOSZPkOK0knXhTmBLMb
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Pictures\tUJpjL8_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: .bDDbCbabee 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! * * * oyF
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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (174) 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).

  • 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\d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.exe
    "C:\Users\Admin\AppData\Local\Temp\d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.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:3332
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2404
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2676
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:2616
      • C:\Windows\system32\wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of AdjustPrivilegeToken
        PID:444
      • C:\Windows\system32\wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of AdjustPrivilegeToken
        PID:2284
      • C:\Windows\system32\wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        1⤵
        • Process spawned unexpected child process
        • Suspicious use of AdjustPrivilegeToken
        PID:4044
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:3468
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.exe
          1⤵
          • Executes dropped EXE
          PID:5812

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb.exe

          Filesize

          441KB

          MD5

          b1758767d10c75d1589c16763fca6fd3

          SHA1

          2722f21a31859ea735e908a1c705d07b139e3b12

          SHA256

          d841d0a10e8b6885f1b8e1282c70e88d4f74471fbbe1b4b6f29b4ca238b1e8cb

          SHA512

          93bdfaf8a7b35e3c0110e931a35c5a901c8acf06b36dd9e8cba9b770be642525ba0350ae94d68556961b06b0d802cd2e1997fc73849c643f76eba721215abf5e

        • C:\Users\Admin\Desktop\tUJpjL8_readme_.txt

          Filesize

          3KB

          MD5

          743a5291ba1784f2a37d69e1d1ad6ee4

          SHA1

          8c0224cd49b328c32429f74d2103f6d9950ff1a9

          SHA256

          d4c0438a0b46ae9c4e52537b8978580186fdb06dbbc3da4b612cb1725d1f0316

          SHA512

          b5fdfd100c014d0e4b1549d9682ab6b566d14da2dd2204d92c2887c0ac1376167b2a07758751b57642ffeb5c4f36281c7a3a50a888a3ee541252429f6ff33229

        • C:\Users\Admin\Pictures\tUJpjL8_readme_.txt

          Filesize

          3KB

          MD5

          f4af8e25a10fa36e75d2e64bb58af8b6

          SHA1

          e5e25f8780d2d4c48c5406e61859313317ed1a97

          SHA256

          17914deda14c930a4af27d7688f200dc91d3989f56e0a7779ca7f44cf0cf947e

          SHA512

          ab1a324fdfc4f8a8a6f9bb3fd173e1a55c2f9ba9cfb6979f1ecfc2fc8c10e042866f14d792568b2d8191cdeb993042ac568bd0c8609a7191ac77e2ae84adb486

        • memory/3332-0-0x0000000000400000-0x00000000005E3204-memory.dmp

          Filesize

          1.9MB

        • memory/5812-500-0x0000000000400000-0x00000000005E3204-memory.dmp

          Filesize

          1.9MB