Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/07/2026, 21:47

General

  • Target
    ab.exe
  • Size 775KB
  • Sample260726-1m6gcssalg
  • SHA256 1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\7nfBm_readme_.txt

  • 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: .bcdedDDCDE 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! * * * KXsOSbSv9MKVFt9iKMO4PB65bW
URLs
  • http://avaddongun7rngel.onion

  • http://avaddonbotrxmuyl.onion

Extracted

Path
  • C:\Users\Admin\Documents\Outlook Files\7nfBm_readme_.txt

  • 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: .bcdedDDCDE 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! * * * hfzlmoEjzy2acKnkztJBZLFcyg0Yb
URLs
  • http://avaddongun7rngel.onion

  • http://avaddonbotrxmuyl.onion

Signatures

  • Family: 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 (149) files with added filename extension

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

  • Executes dropped EXE 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 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 6 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 3 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\ab.exe
    "C:\Users\Admin\AppData\Local\Temp\ab.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:2336
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2244
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4148
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3564
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:4752
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:3056
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:4596
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2308
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\ab.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\ab.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1832
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\ab.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\ab.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1200

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ab.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\ab.exe
          • Size 775KB
          • SHA256 1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7nfBm_readme_.txt

          • Path C:\Users\Admin\Desktop\7nfBm_readme_.txt
          • Size 3KB
          • SHA256 bbdbd18dc1341d91901cfa91bdf0a539e665330eaa939739a8f2be7c1055cd99
          • MD5 SHA1 SHA512 TLSH

          7nfBm_readme_.txt

          • Path C:\Users\Admin\Documents\Outlook Files\7nfBm_readme_.txt
          • Size 3KB
          • SHA256 48350437daf39a70cadd630d4750ff59106c12429bc7417aa1179bfa56a3e625
          • MD5 SHA1 SHA512 TLSH

          desktop.ini

          • Path \Device\HarddiskVolume3\$RECYCLE.BIN\S-1-5-21-2937465464-4167303362-2236413517-1000\desktop.ini
          • Size 129B
          • SHA256 e1b9ce9b57957b1a0607a72a057d6b7a9b34ea60f3f8aa8f38a3af979bd23066
          • MD5 SHA1 SHA512 TLSH