Analysis

  • max time kernel
    149s
  • max time network
    119s
  • 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

    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\8e2mnicF_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: .BDDCcAdAbc 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! * * * V
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Music\8e2mnicF_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: .BDDCcAdAbc 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! * * * rPFzx
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\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:1724
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
        PID:2508
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        2⤵
        • Interacts with shadow copies
        PID:2176
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic SHADOWCOPY DELETE /nointeractive
        2⤵
          PID:1568
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin Delete Shadows /All /Quiet
          2⤵
          • Interacts with shadow copies
          PID:1600
        • C:\Windows\SysWOW64\Wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          2⤵
            PID:1376
          • C:\Windows\SysWOW64\vssadmin.exe
            vssadmin Delete Shadows /All /Quiet
            2⤵
            • Interacts with shadow copies
            PID:2984
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2220
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2444
        • C:\Windows\system32\wbem\wmic.exe
          wmic SHADOWCOPY DELETE /nointeractive
          1⤵
          • Process spawned unexpected child process
          • Suspicious use of AdjustPrivilegeToken
          PID:2524
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
            PID:2796
          • C:\Windows\system32\taskeng.exe
            taskeng.exe {5B21573C-02E2-4D44-AFE0-75E211CD96C8} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1988
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
              C:\Users\Admin\AppData\Roaming\Microsoft\Windows\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
              2⤵
              • Executes dropped EXE
              PID:2060

          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\1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2.exe
            Filesize

            775KB

            MD5

            0b486fe0503524cfe4726a4022fa6a68

            SHA1

            297dea71d489768ce45d23b0f8a45424b469ab00

            SHA256

            1228d0f04f0ba82569fc1c0609f9fd6c377a91b9ea44c1e7f9f84b2b90552da2

            SHA512

            f4273ca5cc3a9360af67f4b4ee0bf067cf218c5dc8caeafbfa1b809715effe742f2e1f54e4fe9ec8d4b8e3ae697d57f91c2b49bdf203648508d75d4a76f53619

          • C:\Users\Admin\Desktop\8e2mnicF_readme_.txt
            Filesize

            3KB

            MD5

            2b3cc97cbc58d95ad078c125f8e90cf7

            SHA1

            24c354e6fa514ec404f17493aae05a614f4145ac

            SHA256

            a4095a12aa5c705b0f86d0015d372cba524b47d9253613f62364881f826cedbe

            SHA512

            f064c829f1b724c68747326d0b171d5e964c7eba427614af67a2685527ac81dda2ad02e21865a75c152a9d1146605f90fec281044f18b8191423b6b46b620d89

          • C:\Users\Admin\Music\8e2mnicF_readme_.txt
            Filesize

            3KB

            MD5

            1068e2c6a941a94332ad985408bb2c0d

            SHA1

            b6d2828b3b915d5d403775501e6a903dd53c583b

            SHA256

            1898e4de35af00ec9785f9f9ca10750dff37281fcbdb1ee01463e1bf9f8a283e

            SHA512

            c8b4cb8b79fb93ccf8ba798040a34a9a06c4bca2be473b49ed79e27b8ed870405e70f85733ad2cabe9b743ac46c4ffd16d59f17778e6827b068aef7167f0732c