Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 10:08

General

  • Target

    2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.exe

  • Size

    775KB

  • MD5

    7fc5a1aafb84705745dba65e2a178217

  • SHA1

    0825e3b2115c9053563a307402e32d28056223a7

  • SHA256

    2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a

  • SHA512

    b0a1ec5e8c28b4343457edf317e20fdd0489e983c01ab9205c10a409ab8a9aae1cf5645e625b2edebf7c7eb551b801a196b7e37616143dce4cb9d00b179be9d2

  • SSDEEP

    24576:TCsB9+OXLpMePfI8TgmBTCDqEbOpPtpFhPxfq:56OXLpMePfzVTCD7gPtLh5fq

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\P9o5m_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: .BBeacDaacD 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! * * * mlPS7oMGr
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Favorites\MSN Websites\P9o5m_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: .BBeacDaacD 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: -------------------------------------------------------------------------------- MjU5NC1zWGRRdEdocmZWa3pFamhJSUttREZuWGEwbEttSDZ5SzZGaE5YM1pvRHNlUlZVQ1F5cWt6U2dPb2Y5aFJwb0haOVRsTUY3RzYxUHpvM2RqZUVXNlpYbkZOQ0xFYXIzZ2VEQ0lSRjBvVUwvVjVUNmxvU3ZOUlZlQlFveHB3TW9oVXlta0dNL0o0THc4RlRISkFuVW9UaS9UN1p2SDVPTlRvOTJxZmIyTmllMnd4VFFaOWhWRFU0ejVEelNJdmRzbXkvRWl6YktxRlo4ZHNtWXRpNU5qcDFHVlp6SnVBdVd5NkZ4SzYvdDZaTXl4TjdOWXh1VnhGN3RWQ3lCRzUzVkRVbEw1R2lNNUU3dm5QN01hcGQ1b3Q3b0xIUnVFQksyQ2NFNTBGWlFFVmpJN01ZVkRWWlI0NWlxa05CbkFGakk2enFDeGVSenNtZHVva1RycG1BS0Z1VXF4SVdVdk5VbFl3Y0ZvSUVpZWpNTFhrb2FOL1RlZ0lBc3ZZamNNVHduS2ZRRXJKd2pSRHY4aURXdWJnNms0QUt0NXRYdWdSbENkdVpBcFRmU29ORFkzblNwS2F0S1FuYXY3VjR5UnVtcERtbTdub1ppS0R3YUJiZ09pZTRTdjgwYjU3YTNONytsdjRrS0Z2azN3TmdFVU9sQSt1TWVyelBBTzFBWVM4cDZUN0EwV1NmN3g4dlljd084N1I4TlIxUTBDQU53TWNqZStLcWtLalI0cUZCWVBOVXg4K2lCSXVOQVVRNVNVVEpSUDZTcVZ3YVNpajFJYlpWTm9mNkYvQVQ0L29DeEVKMnVpb294T2ZnR3duLzZSalcyQkRQOWlqM0ZCOUd6RHlSdnp3R3ptRmxJM0Jib3NmcFBDcUNPS09HdkxqWGIyK0pxdzM5NkRYMUJXSTVuV01wYXBIdlVieDZaS3NhL3BETjBoMVVSUjAxN3RvNHNvUE1CbTh0UjByK0JRdGErRENCSjM5K0IzalczbFMxakN4cXZKalk0Uk8zZ1Npc1MyVFpCeW82cmxKWU9jNEFJUkkxK1U1S3pBdW00V2huM25ORFd3OUJiaDFlVy81UjBLdmQ0ZnN2OUcxM2xRUzkwa1gzSFZDZlJHNjlyMy9WV2d6YXZoSDNkZjUyOEwvbWczYmlpY2d3Y3lsbTBsdzJEdkYvNWQxcmlwOWZWaU94Q0QvU0hqV0gyTS9FcUJxOU1DcmxIT2R5MzBnQkZ3Smk2VHo2ZjlXY0dFejhuaHlFOGdpR3hlbWxHdUtQL25wWm1DTy9RU0dmWDZIdlJnVlRDVlpCbUp5eUllU3NmVFY1TU5naVVtNVNQbTlNMHo0eVM5QmZIR201VzI2ZUt1Vm02S29RZndaTGppYnZ0MHpWZzdqZmlHZ2ZTTVJGUXVWOE9CQzNhcUtXTUlQYnZpYjMxcVFNZlNkR1graE1JcmptRThWT1hlM0JZWmk3Uk80eEpHQ1F2V2U4dmVwazY0NE92SFlrd0NhTnRia3pWMW9vSCsyYVhsb1hnWGRZUEl4enhiYXRSMHp2UG85NHFJVzVzakxmdG5CNnREem5PZ2JsSm1GNERZWVNuUEorZm40MkIwVmtnZVRpTUt1cXlUdlB6RXlXSmpxaFI4MytSREYyRGpQSFk5VnowVkN0Wnc1VXhPaTV5bUxiTHJPWWlQd3FMcU5YemxXbVVvM2EvcTYyWkxvR2tUNWhvMDA5Y2d0TXZDRUNBRHAvZ3E1YzJnNkl2QkV4OXVqNFFtOWZkb3Jrb1R2UDhYNUpRTWM4Y3F0NStacjNyQ0YxU0hUY0F1NTFhVHU4L3lqYTBlZWFmbkhNNTQwQ1FFSVVNZCtXb0FMN2NzeVo1ZHR4SlNBZkxnbkRGWVEwWlB3U0p6NlgzNlREN3ZRZ2FrNmFqQlh5TTFBN2RMcFcvUXViSEF4aGVyUFRaWG53cEdoTFNUQ1l3Ymh1QjlqVjNiWlkwR2hrQmw1d0NPQXZFQmlma0h4R1JVbmk3bnVsSjJpM3JjbUhRWVBTQythVWR0KzhrQUZUenNsVTFNbWlnanU4Qk81a01KRjN1NzVwMzZJRkpwWCt0aERWRXBEdytTYmRpeDVCYnRKclNHUEg4dC9iMHdsWGM2R3FqOGk5d3RMd3hWS1RGcmRVWTlyQ1RuNnkxYzlrUT09 -------------------------------------------------------------------------------- * DO NOT TRY TO RECOVER FILES YOURSELF! * DO NOT MODIFY ENCRYPTED FILES! * * * OTHERWISE, YOU MAY LOSE ALL YOUR FILES FOREVER! * * * 8N1IR184hqNW
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 (222) 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\2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.exe
    "C:\Users\Admin\AppData\Local\Temp\2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.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:2960
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2444
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:1772
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:1932
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /All /Quiet
          2⤵
          • Interacts with shadow copies
          PID:2348
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:2788
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /All /Quiet
            2⤵
            • Interacts with shadow copies
            PID:1304
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2684
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:3024
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2580
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:2896
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {9B448E15-34E5-475D-BBDD-ED4E6759692C} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.exe
              2⤵
              • Executes dropped EXE
              PID:1772

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Privilege Escalation

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Impair Defenses

          1
          T1562

          Disable or Modify Tools

          1
          T1562.001

          Modify Registry

          2
          T1112

          Indicator Removal

          2
          T1070

          File Deletion

          2
          T1070.004

          Discovery

          System Information Discovery

          3
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Impact

          Inhibit System Recovery

          2
          T1490

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a.exe
            Filesize

            775KB

            MD5

            7fc5a1aafb84705745dba65e2a178217

            SHA1

            0825e3b2115c9053563a307402e32d28056223a7

            SHA256

            2462a1cc358704bf1f12d266a0cc596bce16ba58f8611aa0fdeb094f61f1631a

            SHA512

            b0a1ec5e8c28b4343457edf317e20fdd0489e983c01ab9205c10a409ab8a9aae1cf5645e625b2edebf7c7eb551b801a196b7e37616143dce4cb9d00b179be9d2

          • C:\Users\Admin\Desktop\P9o5m_readme_.txt
            Filesize

            3KB

            MD5

            b173b134f57bc0f86df4a6a16fc09206

            SHA1

            1b0dbd384436538a56b58d0d6aed107128a95ddc

            SHA256

            9db99c60d7ad614183f70bb744eed68f73acc7b6d37d482df1fcc374449aa62e

            SHA512

            5570e3bd0419c41d2ea4c72f42e4631f199ec89e9c8baa5387386b2f8c35f7a5020aa5f31255fcf0aa2b3450403c7dbe40cdf63438ff0e170474172d4534eb19

          • C:\Users\Admin\Favorites\MSN Websites\P9o5m_readme_.txt
            Filesize

            3KB

            MD5

            439f2b3e15e4c3be23c96aacfc95e692

            SHA1

            d61c60e918b7dc9ceb64ec4a3b048dcb3a44db97

            SHA256

            69dfe8212476e820811d81c7a348a657a8211c549a7c36380612bf530f8cbac1

            SHA512

            80f368770c9675ea12e71a4a3022dda1aea093965e00e34cef434f315c9077e7da66c951e10856333e91af0531661b6e801bb05930809a088339d036b23683ea