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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 13:29

General

  • Target

    8ee70de7af7f22f072f09c7e1a780c9c915cf697d4a241cfbec1b0c00fa51c04.exe

  • Size

    347KB

  • MD5

    8f402d93d54d9e6dfa608e74f2b108c1

  • SHA1

    236ef8c57c8567bdd723acbeb645ac9cbfbe0880

  • SHA256

    8ee70de7af7f22f072f09c7e1a780c9c915cf697d4a241cfbec1b0c00fa51c04

  • SHA512

    65184154587bcf48411bbc1f279a1a5b40cbcbd8403d17e792f3f525e1cb9ce685741659584cdc8d2258ed29f7c2521085e8c796bd219050af754a0ac6351041

  • SSDEEP

    6144:xPtDXH/S/IQUjXeQvBAOMJmwFT//4OQ334gx6AdFCxPor:h5Xy6XekBkFTH4xYgFwxPO

Malware Config

Extracted

Path

\Device\HarddiskVolume1\FILE RECOVERY.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used 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: 0BB3C89ED3804811F1FF4A9F 5) You will see payment information and we can make free test decryption here 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

  • TargetCompany,Mallox

    TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (3268) files with added filename extension

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

  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 1 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\8ee70de7af7f22f072f09c7e1a780c9c915cf697d4a241cfbec1b0c00fa51c04.exe
    "C:\Users\Admin\AppData\Local\Temp\8ee70de7af7f22f072f09c7e1a780c9c915cf697d4a241cfbec1b0c00fa51c04.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5028
    • C:\Windows\system32\vssadmin.exe
      "C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1060
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
        PID:1416
      • 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:1604
        • C:\Windows\SysWOW64\sc.exe
          sc delete "MSSQLFDLauncher"
          3⤵
          • Launches sc.exe
          PID:3708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        2⤵
          PID:3716
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \Device\HarddiskVolume1\FILE RECOVERY.txt

        Filesize

        1KB

        MD5

        c881da4c92c394fc2f3e3485968f888a

        SHA1

        8f98c90d05f570d425a7eda3915450d5619f0d8c

        SHA256

        3c77722d6c35bc85369ec26172f92b1bde5f483a692607c73815ffcbb82fae11

        SHA512

        4bf055198eae0c654db09562585bb8a50bdcf7393e60002e10bdc8e54ebc8b6b7f5b02804de4420640d46650b9930d6eb54deee6c8b61d1784ae14b7d152c505

      • memory/5028-4-0x00000000021E0000-0x000000000221D000-memory.dmp

        Filesize

        244KB

      • memory/5028-1-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-6-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-7-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-5-0x0000000000401000-0x0000000000419000-memory.dmp

        Filesize

        96KB

      • memory/5028-8-0x0000000002220000-0x0000000002222000-memory.dmp

        Filesize

        8KB

      • memory/5028-3-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-9-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-2-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-0-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-10129-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-12460-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-12461-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-12462-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

      • memory/5028-12463-0x00000000021E0000-0x000000000221D000-memory.dmp

        Filesize

        244KB

      • memory/5028-12464-0x0000000000401000-0x0000000000419000-memory.dmp

        Filesize

        96KB