Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    29-08-2023 11:30

General

  • Target

    ozon.exe

  • Size

    192KB

  • MD5

    089d624ce16de85ba8f8d0431d6688f7

  • SHA1

    fcc52416e27b7c5980096d7cab4c052eb6dcc5c3

  • SHA256

    2044bc33cf855b4add30312da75ac8daa408197408da88ecd520d90bdef550ff

  • SHA512

    51cb1af56c657593abcbc1b73ed499ac0f14bac951094df1da77c4db6df021b534d0d6729aa01daf7109094023bf4da52eab244df7a1f548f937e723176de0a9

  • SSDEEP

    3072:NTzI7wjFPJkvsn2oYK9c1PQ2xQgGdHpbSAo8qW1EntxdvyyqbWI6lTNfWhDsO4YZ:JuwZPuvs2oYOcRQ24H0Wy3dv3OhZNn5l

Score
10/10

Malware Config

Extracted

Path

C:\HOW TO BACK FILES.txt

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: 364ACF475714C2A7C9735D42 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: [email protected] Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (2647) files with added filename extension

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

  • Stops running service(s) 3 TTPs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ozon.exe
    "C:\Users\Admin\AppData\Local\Temp\ozon.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2224
    • C:\Windows\system32\vssadmin.exe
      "C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:2832
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C sc delete "MSSQLFDLauncher"&&sc delete "MSSQLSERVER"&&sc delete "SQLSERVERAGENT"&&sc delete "SQLBrowser"&&sc delete "SQLTELEMETRY"&&sc delete "MsDtsServer130"&&sc delete "SSISTELEMETRY130"&&sc delete "SQLWriter"&&sc delete "MSSQL$VEEAMSQL2012"&&sc delete "SQLAgent$VEEAMSQL2012"&&sc delete "MSSQL"&&sc delete "SQLAgent"&&sc delete "MSSQLServerADHelper100"&&sc delete "MSSQLServerOLAPService"&&sc delete "MsDtsServer100"&&sc delete "ReportServer"&&sc delete "SQLTELEMETRY$HL"&&sc delete "TMBMServer"&&sc delete "MSSQL$PROGID"&&sc delete "MSSQL$WOLTERSKLUWER"&&sc delete "SQLAgent$PROGID"&&sc delete "SQLAgent$WOLTERSKLUWER"&&sc delete "MSSQLFDLauncher$OPTIMA"&&sc delete "MSSQL$OPTIMA"&&sc delete "SQLAgent$OPTIMA"&&sc delete "ReportServer$OPTIMA"&&sc delete "msftesql$SQLEXPRESS"&&sc delete "postgresql-x64-9.4"&&rem Kill "SQL"&&taskkill -f -im sqlbrowser.exe&&taskkill -f -im sqlwriter.exe&&taskkill -f -im sqlservr.exe&&taskkill -f -im msmdsrv.exe&&taskkill -f -im MsDtsSrvr.exe&&taskkill -f -im sqlceip.exe&&taskkill -f -im fdlauncher.exe&&taskkill -f -im Ssms.exe&&taskkill -f -im SQLAGENT.EXE&&taskkill -f -im fdhost.exe&&taskkill -f -im fdlauncher.exe&&taskkill -f -im sqlservr.exe&&taskkill -f -im ReportingServicesService.exe&&taskkill -f -im msftesql.exe&&taskkill -f -im pg_ctl.exe&&taskkill -f -im postgres.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\sc.exe
        sc delete "MSSQLFDLauncher"
        3⤵
        • Launches sc.exe
        PID:932
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
        PID:936
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        2⤵
          PID:2452
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:860

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\HOW TO BACK FILES.txt

        Filesize

        1KB

        MD5

        dfc5d72eec9932774841f9bb7ce429ce

        SHA1

        8611ef751f4a9cd552c48018b2d9b00dd54385a9

        SHA256

        1284b8267b507edf6fe273c4cc459611e5497cace7e8b30c428f964cb1acb5eb

        SHA512

        a55b60e4795a266aa00b6dcebd0b138d3155722e1f2c20d4ef1317f3c418615f51a818309c9eac1be5d7c94d450838b247de27b3601c2cd88f4d088693ca441c

      • memory/2224-57-0x0000000005080000-0x0000000005B3A000-memory.dmp

        Filesize

        10.7MB