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Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2024, 13:36

General

  • Target

    9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.exe

  • Size

    762KB

  • MD5

    763217378a83acd3712728a51bec6862

  • SHA1

    62b23d984ba0539b263bf929847a6f79ed7e5a89

  • SHA256

    9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3

  • SHA512

    d566ac0460aa76ea63d49308690dc6f8113bc5f811a1862218d09f92bffbeaee1b6e9771766f8b8e23b34a2026f80c1fe9dcb0d39f2aca3f267e75e24b63b486

  • SSDEEP

    12288:wovdmyrrMXMNK+A+JLxkpheaiTOYqLNMhL3q/Pn75K1/LnBuueiFZMmmk3:woQEY+A+JLxcheaiTOYI+xOPn75+D/ZL

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\wPhf8_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: .bDEBDcceAD 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: -------------------------------------------------------------------------------- MTIyMy1RczFkUW5RM0ZIS3B6M3N2SUdCN3ZTMytINlZZV1JWS3lHbHFFYkE2RW5TRnB4dG1VbC9PeGUzdy9XRVpVUE1EdjEvaHRRR2ZBd0NHOVk1SFV0SWZqVVphTkNUcFRuQUhCSVpMMUk5cW5PbVJvSWN1YllFYVpkOHR0RXpWMTM1d1cycVJ3a1RtYVdhRFpETGE1Mkx6Z2g3Nm01K0xLTWMzREpHVHB5WXc3ZEt5YzR6R0ZLbVFpUVNZeFR3VElQajhKUGVQQXUreHpHdzVXenYzOG9jbGxibzBGY0hUZWZ1enhXci9vNXQ1cWxEZVVQcUVkMDY3UE4rUCtqTUdHQytITHh3VEo2THVEQjRvQ2YwSmUzWTg0bndCc0J1YzN0RmxkbkhqTWRINHZJa25GdjlUdE92Si90SFBvLzQwYlYzSXMycWh2eXo4MmthMVlqaXFId1BRRDdOYnJyWFFPN0VUSjhHMnBKbDZWclQwOFp6MlBQZ3Jzei84Ylg5VGUzRHMwTlc1bHorSUNUMnhvcFpmN25yazVuWk5iMUFMRFk2T2xINWRJVk56Znl5UVJmMWRMekpueHVEQ2ZXcVEwQVlLcmxkTVpHS0U1cGNaN0VnbDlTS1NFWXlzNFluZ0hjZC8yVktKOVFYR2NLZmRrUERsUG9rcWFGYXVqekxDWStHS3lkUWtRZzlsaFRNQmxWend3V3NPbkEzKzFUK1JXWjJyUXR0elJvNlMzNklmZDFmeTEwbUJ4R0xHenQrRUo3b0QvazhXVGdTVzQrTzg4SUpTbWlQdlNIRXc2R1NNUGJLWE5iMUFqa3o1RmRkODlXb2VJa2FlUEg5dFdrTnlYMkU5cklZMTR2YnM4ZmRpSDRQZmx1RzJoczhiZDVUaWd5dVErWndUWmVDOVdUd1JBdDdlbXRQRUZlN2tMRjc3dmJVanFwL0h4b2VRSFd3ckhGRTBOd2FmNEtna2RGOTNXZ0YzWlozNUU2bGwxMHZRS0xpSEZWbzRWU3ZjaE4ybGdFcXFvRkxTdmNTbjk3M0F1Yy9QWFZoSEE1MnFWWHhtVWJzK1o3cE9TbTJMaUxJb3BCdmQ5K2NiZ2N6N01FbzJGTzlmTjdqREIzZFJUMGk5Rk5zNGY5NFdNUEdxNDlqb3hJTWQ5NVdFc1BFaUdXQUdoMDJFL3BndEltaG4zRTE1SE5rNlJGU0pWTHNjTHBMK0xpTkR2dklsSXRJUkNhRDRJc2QyME9ERWVxckxHUmZNc0NwTGNralZaR20zcjMrWkVwVnM2cUdBTXROc01MSk14a0l5bUNXcHFrdDk0Nk1TSk5SQkVnc2lwS2lPV242cy9DSFBjMi90MFloODFoM0dwTjY0a1AralRFRkRjU0dseTdERnI1UGw4Q1J5R2lReDZkU1ZvencyUE5paUViVGpYRkNsb2gwcHFManI3cmdLMjVwQkVKUWN2WC81NkV6NGsxZ0pObFlsZUlNZzc1WFJwY2xFMHV4YjY1QUN3NDFmRzYwbW1RdDB0azJHVzdWcnVWY2NjUmFVWFlhZ1d1L2RFb1NvS05ubGtIRzIxRXRSM250b05hektSc1lKSGQzZWVuZUt4S21ublZ1TXdWNUtRc2VPM1ZGQm9mSE8xR0xEeGNYRjVUa3RPWTh5d1Z2emcxZjZtQ1R5ZzlYdlJSR0tsNmsxZU1Rb0o3UllRb1hpOFdkQ1Q0WVBXWmdDRjFMRmN0U1VNY3Q0dndjR2RSRlh0RDNpbWxzS3Y5TmZJRW5KblNLYWt1Yy8vZmVQL2V2ZkczSGNCcXQwcnMxV3B1UEZIQ21YbmFXQ0JlZ0ZsNDkwSy83eGJpLzhkOUpCeGRoaWtSdisvM25FV1h3My9lVkdjcGN1Rnc2anVuTG00L0NHRFJreDdpOGFoaXhLNnlmSURiKytXeXdPUHZUZEFXUVd3d1A2YkdpUXVjNElxb2Rkc1kwcjdsYTc2QnNpaHZOMWhWNEhnaTlhdWt5cnM1TW9LMFh2ekdaSEI5ZWJONXBsaTZpNW1KSlRMNDljaHRPU0l0anMrRDZYSUtrMGJhOUNUR3RHWEJCVm55M0dHOUI2SjYzc2FaUGZ6UGZRcksva0g0Z00wSVRPL0hOS0NzMmRzK3NPWVlHelQ3a2czRWVTYWhrU2FvWThlUT09 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * m1I2T4lyQCypULfVADfzrRhx
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Downloads\wPhf8_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: .bDEBDcceAD 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! * * * 99uOoHYlGoguqmoXLE5aYcqUT1d
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 (187) 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\9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.exe
    "C:\Users\Admin\AppData\Local\Temp\9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.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:1512
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2632
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:2848
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:2776
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /All /Quiet
          2⤵
          • Interacts with shadow copies
          PID:2988
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:1644
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /All /Quiet
            2⤵
            • Interacts with shadow copies
            PID:1768
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:1816
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2112
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2748
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:292
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {B488F361-A3BA-4C57-9555-8F0B615606E4} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1668
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.exe
              2⤵
              • Executes dropped EXE
              PID:1580

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3.exe

            Filesize

            762KB

            MD5

            763217378a83acd3712728a51bec6862

            SHA1

            62b23d984ba0539b263bf929847a6f79ed7e5a89

            SHA256

            9f8f217060e6f2d821f1f0bb17bbd97a26d4ea4b9e70316e6a4b836273eaccd3

            SHA512

            d566ac0460aa76ea63d49308690dc6f8113bc5f811a1862218d09f92bffbeaee1b6e9771766f8b8e23b34a2026f80c1fe9dcb0d39f2aca3f267e75e24b63b486

          • C:\Users\Admin\Desktop\wPhf8_readme_.txt

            Filesize

            3KB

            MD5

            64a5de1795ff7fdd09edd9ff77f977f3

            SHA1

            266c3e3c5952f5e945fb29f76ba0c49a8a5a1039

            SHA256

            3a238e61afff9b77ff7a85948737f6f8d273d8a5b91562bccce64b7059c1701e

            SHA512

            fa198c108284e736d71e6e46a7187c87349a4749926bfa2511ff8c5645c9ea406cfd28fac9c0573307ee3953dd5e38747ae14127a7d57a119f716ac062a58bfe

          • C:\Users\Admin\Downloads\wPhf8_readme_.txt

            Filesize

            3KB

            MD5

            c1451bf1325edead07ef550f4f32db85

            SHA1

            5f9875d304d7bebf840ce430e416fdf5435ba2b8

            SHA256

            75b7e0d06282541ca82b82b92966426c78ada16a0a98a10d309cde1bf9f355a6

            SHA512

            254a3ca9d507c93937857e06eec20f2157f5202a47f6cb1f249e20c56d5511100b4c57719374e7e925767f75568fce5a3baabd2cf3e4f0f3a4dd36ff6a3bf2c1