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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2024, 13:07

General

  • Target

    2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.exe

  • Size

    758KB

  • MD5

    37576c3c5af9c1bad5ff73229a77d1f6

  • SHA1

    965256f9a4920e6ecd224a14cdae296f4f34f88b

  • SHA256

    2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312

  • SHA512

    c0ded35602d2bbed73c62f33951a9a317393e02f600d4e6c3c92f5a427ae0fc97175c5e14f0aabeb47d7cf3fca1f8b6cf92b9f61d29869a07db68d81885011b9

  • SSDEEP

    12288:s1vm9KObJ8AUczIEHySmv+QaxwQPATjcM+OEAW7Z5S3gRmhLI4c7uQ+oqUfTMZ0p:NdJTcUW+QaxwQPATjcM+FAK/dRmh0h9v

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\Pt7UH_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: .bDBEBDbeBD 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! * * * lVircTRrSWRBVlxuSHHIERq446Qp
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Downloads\Pt7UH_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: .bDBEBDbeBD 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! * * * 7dKhxfDfo89ksh5S7oCPPcTbRH906hA
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 family
  • 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 (183) 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 8 IoCs

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

  • Interacts with shadow copies 3 TTPs 3 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 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\2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.exe
    "C:\Users\Admin\AppData\Local\Temp\2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.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:2504
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2636
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Interacts with shadow copies
      PID:2428
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1560
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Interacts with shadow copies
      PID:532
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1608
    • C:\Windows\SysWOW64\vssadmin.exe
      vssadmin Delete Shadows /All /Quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Interacts with shadow copies
      PID:280
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:2616
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:2728
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:2860
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2880
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {2FFD0ADF-8A1E-4A85-A3CE-F2A8D48D5556} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312.exe

      Filesize

      758KB

      MD5

      37576c3c5af9c1bad5ff73229a77d1f6

      SHA1

      965256f9a4920e6ecd224a14cdae296f4f34f88b

      SHA256

      2a2a770ed80f8101bcff73b791ccd14391d2df3a4e152cbcacbd7df24878e312

      SHA512

      c0ded35602d2bbed73c62f33951a9a317393e02f600d4e6c3c92f5a427ae0fc97175c5e14f0aabeb47d7cf3fca1f8b6cf92b9f61d29869a07db68d81885011b9

    • C:\Users\Admin\Desktop\Pt7UH_readme_.txt

      Filesize

      3KB

      MD5

      9f312560f65870be434f12cf410753de

      SHA1

      9cb482de4646d00e2f9d57878c5f04eed0a3c14f

      SHA256

      baa28e699cabfb0bc47a909cb13bdf1d35020d0a3597d156207adf07a253d462

      SHA512

      0e2dfcb941989d844f5e1944af529bf31e57eadf2f52bf6193bf29c769ba6e9a53128709702176d93f4bceb4cdcfde442856d3634036856a87277b884a967c1a

    • C:\Users\Admin\Documents\RevokeUnpublish.xlsx

      Filesize

      16KB

      MD5

      f2ce68001bc78fb1ff9a31816cfadca7

      SHA1

      d5cd79b71d054a5268fe1b78823b569d044e1a88

      SHA256

      06a421daacf67196f618b0f385e18775ec0a8307a0758cb9a61511cfa5273ebe

      SHA512

      23ce5aba07f1bfdf8ff0e3c4d2b242c4ece154f4a8ee72b4c4f7343f61144a0d90695b4818f172f74810d478148a02f903cfdb9abdafb5a56898e2fa4e2c4849

    • C:\Users\Admin\Downloads\Pt7UH_readme_.txt

      Filesize

      3KB

      MD5

      34d49a6f2fe7af4d464ac717c2594ed1

      SHA1

      464f4be78a1222d06127dd4472d56e2685d26a36

      SHA256

      b34fb9e65ef509ae6c5e8f94e6295487228968a6fbad11ad9e2a99a1c7a85865

      SHA512

      85f82def2e56809b7fe84c23d4ba708268fb2139bb6d248a1342eefa76cbe6b7f981cb30b9ccd5c9596d27e7ba06f5787846fdaf7b2495fd3fec7c9582324487