Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 13:07

General

  • Target

    1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

  • Size

    775KB

  • MD5

    0b486fe0503524cfe4726a4022fa6a68

  • SHA1

    297dea71d489768ce45d23b0f8a45424b469ab00

  • SHA256

    1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2

  • SHA512

    f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619

  • SSDEEP

    24576:TCs99+OXLpMePfI8TgmBTCDqEbOpPtpFhyxfq:5GOXLpMePfzVTCD7gPtLhSfq

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\aqlrZ_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: .aABcDDBeBb 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! * * * wSsiuZNTKnxEVnosxhibrLH7
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Pictures\aqlrZ_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: .aABcDDBeBb 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! * * * JaT4FG9mAPfJrDwucD8DY0Qefqd
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 (170) 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\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
    "C:\Users\Admin\AppData\Local\Temp\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.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:2236
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2460
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:1604
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:1884
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /All /Quiet
          2⤵
          • Interacts with shadow copies
          PID:1492
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:844
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /All /Quiet
            2⤵
            • Interacts with shadow copies
            PID:2204
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2432
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2632
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2404
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:1368
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {4EC56153-3C88-48D6-87C7-71038621043D} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1828
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
              2⤵
              • Executes dropped EXE
              PID:336

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe

            Filesize

            775KB

            MD5

            0b486fe0503524cfe4726a4022fa6a68

            SHA1

            297dea71d489768ce45d23b0f8a45424b469ab00

            SHA256

            1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2

            SHA512

            f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619

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

            Filesize

            3KB

            MD5

            531dabd2d1db00423d06f0058653c8de

            SHA1

            17e27b4524ca63f9cdcb4339ab2b5334907fc7f0

            SHA256

            abd36d404d759082fb6b74380c43f05e211f9e3d7949cbfcfd10892e5d762d07

            SHA512

            5904479be86afae121b2ce5131b183961d421a7701b7ea2e2c629c98742a4fe2e643bbd939cfd98df124fbcb61552e417e458e05bd6e02ce974abeaf103df237

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

            Filesize

            3KB

            MD5

            589fb568b23e70c1e2891f753411cce2

            SHA1

            e7eea87eaa12bb048142e30b11486d74f6b2ac15

            SHA256

            dce3f9e099e8fee5b54ae886535502da188fdd5b55eb32db8f0fdfe848cd7173

            SHA512

            0806c06feb8f8acee05079b26d9941735269c997685c1fc636288a1de8ace3381290bd1b5c8702ae51f7a6599ab38df967bfb5816231d8b75f8c1316df88fe1f