Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 13:38

General

  • Target

    48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.exe

  • Size

    775KB

  • MD5

    117da2dd6fa24616f63eb43d5a15e5d3

  • SHA1

    b4d70eecdef52ceef15f04a025d1ab08f193fb97

  • SHA256

    48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275

  • SHA512

    de2e5538e8dd8210b630eca0fc611f0ba0dcb805b3a745c38a6f46ee9acfe8785c917b9452e0d6f70f675030430b65b352d695106bae639b20e0dbb2dd95e375

  • SSDEEP

    24576:TCsQ9+OXLpMePfI8TgmBTCDqEbOpPtpFhAxfq:5HOXLpMePfzVTCD7gPtLhQfq

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\DreHl_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: .beAcDbbCEd 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! * * * 3TGd5Nn6PrwXKlfyiL7sd2QJ
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Music\DreHl_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: .beAcDbbCEd 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! * * * Q5NUuZauFTecDBJ0tr10oDZqxWpa
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 (186) 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).

  • Interacts with shadow copies 2 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\48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.exe
    "C:\Users\Admin\AppData\Local\Temp\48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.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:2072
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2448
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:1588
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:1212
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /All /Quiet
          2⤵
          • Interacts with shadow copies
          PID:1932
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:1560
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /All /Quiet
            2⤵
            • Interacts with shadow copies
            PID:1444
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2408
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2520
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2556
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:1712
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {6209E912-9D0D-4A73-AA39-EB21296C9709} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:2380
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.exe
              2⤵
              • Executes dropped EXE
              PID:1016

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275.exe

            Filesize

            775KB

            MD5

            117da2dd6fa24616f63eb43d5a15e5d3

            SHA1

            b4d70eecdef52ceef15f04a025d1ab08f193fb97

            SHA256

            48d7cd572f14aed7a90d6b66097a885a889e6e7416a6aaa2eb442706ff661275

            SHA512

            de2e5538e8dd8210b630eca0fc611f0ba0dcb805b3a745c38a6f46ee9acfe8785c917b9452e0d6f70f675030430b65b352d695106bae639b20e0dbb2dd95e375

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

            Filesize

            3KB

            MD5

            ca0f5c4641d94f3a2896ae5c16596ba7

            SHA1

            65b89c6adf4e3453ad55306551134ed567286e65

            SHA256

            684874274aad84895671eaed1ae193d26a3fd251e0065234e893c3e2a29e155a

            SHA512

            d49445880f987283e97d4b33ee5e3d5f337af8c92e6c931fc0d72ce5d7a48c76734142ac767a5d64fd553c62118d67c04f299c0ebf28a10f2ba97adb23932a0e

          • C:\Users\Admin\Music\DreHl_readme_.txt

            Filesize

            3KB

            MD5

            bb1ee8ead1a6bd2b00d2e6f60713941c

            SHA1

            f5ec12c86d14e6cb95b98e492c198b8c2f34f4e7

            SHA256

            6f6b063708a062d4736d561dd361a0005b6303cb88c43df0ca346992fb2f67d6

            SHA512

            80e5c961cea87177500126ccf76a332c0938b7acf431b08da186eb4701136800fa1a72edaa2d4000ab133b626cb9e5fbd39c26f6eb79d206dd8931d2706a24fd