Overview

overview

10

Static

static

10

8b921d2333...90.exe

windows7-x64

10

8b921d2333...90.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 19:38

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General

  • Target

    8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe

  • Size

    775KB

  • MD5

    2ceaaae95cdd7c53b2285289c2c8219c

  • SHA1

    dad6ab33bdfc9ee19611e22addce66169b6fc3ab

  • SHA256

    8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990

  • SHA512

    8613363d3a5e28d7db3ca535fca9281acbc952629f6bf6b665ff8e2fc48ba0c583019654a6987cee2f62022ff9311ac3a33f07c63b534f3fc54f0462a5d01b7e

  • SSDEEP

    24576:+Csw9+OXLpMePfI8TgmBTCDqEbOpPtpFaFxfq:YnOXLpMePfzVTCD7gPtLaHfq

Score
10/10
avaddondefense_evasiondiscoveryevasionexecutionimpactransomwaretrojan

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\I6enbzj_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: .dEDeEBaEA 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! * * * 9FFAwgWUlKy2zul8sq6
URLs

http://avaddongun7rngel.onion

http://avaddonbotrxmuyl.onion

Extracted

Path

C:\Users\Admin\Music\I6enbzj_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: .dEDeEBaEA 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! * * * VrqWHspobxhbrLtgXM12gY0
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.

    ransomwareavaddon
  • 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
    evasiontrojan
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (186) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe
    "C:\Users\Admin\AppData\Local\Temp\8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1844
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4856
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1984
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic SHADOWCOPY DELETE /nointeractive
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4768
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:1140
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:3092
  • C:\Windows\system32\wbem\wmic.exe
    wmic SHADOWCOPY DELETE /nointeractive
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:4548
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:1760
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990.exe
      Filesize

      775KB

      MD5

      2ceaaae95cdd7c53b2285289c2c8219c

      SHA1

      dad6ab33bdfc9ee19611e22addce66169b6fc3ab

      SHA256

      8b921d2333babce2c668096229f4fb6942bad3c7a1436b9d209ee05432ede990

      SHA512

      8613363d3a5e28d7db3ca535fca9281acbc952629f6bf6b665ff8e2fc48ba0c583019654a6987cee2f62022ff9311ac3a33f07c63b534f3fc54f0462a5d01b7e

      Download Submit

    • C:\Users\Admin\Desktop\I6enbzj_readme_.txt
      Filesize

      3KB

      MD5

      0437e391e2b692fa7b717456ba773934

      SHA1

      976dd94525106b75a14427766664ae51dfb8b865

      SHA256

      1afb990957fef0fd45537a58bf8754e5633d60d72cbeb2518fbbfea772aae7e0

      SHA512

      9498af7c9ed64918812d1ccef1c6ddebc47d7c515af14c672a64bca29ccbe5d4b56cd051d82977a28a1a3957c4dca6a6b6a0fe37c7e42756ef976a959770b5f7

      Download Submit

    • C:\Users\Admin\Music\I6enbzj_readme_.txt
      Filesize

      3KB

      MD5

      98fd2b50a3a82a9fbfaccadb74cd5b2a

      SHA1

      5e676de4b04a63a52c49c94c4d9308c1b16bc78d

      SHA256

      1ac94f9f3b3b73806837f6aed5a88848bccbd8a981fe5296b08fd47cd71fbdf2

      SHA512

      87290e01c218e2cebdf9c290d709801fd8cc38528b355dbf2d137c2d8f068ba9ee5c8d5260792617beb63d616b9d9f1953be3dff426ad0e3d28c50fbc6df916d

      Download Submit