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Overview

overview

10

Static

static

3

8eba2b306f...46.exe

windows7-x64

10

8eba2b306f...46.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 05:32

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General

  • Target

    8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46.exe

  • Size

    348KB

  • MD5

    d429c7f5e4f05da38f9a87ab592df606

  • SHA1

    e3d9c130fe2e97b25cd22999bfb7e8c6ed4ae57e

  • SHA256

    8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46

  • SHA512

    b002b5d1fac84752acb4a24a1f684d267116ba1f77fc4fdd19d451d972cc201138c0063efeb9bdb33dc89d427ee7186d46cf7b45aa7e05165faf99066364998c

  • SSDEEP

    6144:zlkLEOs6Fq+sJ0iPVDoTZz0Jt2/y6mzawCESpOfzh+Me27OEjZAtFCmgH/prDx60:Jkts9+u6TZEtT6mzawAmz9Dz9AtQmgfD

Score
10/10
targetcompanydefense_evasionevasionexecutionimpactransomware

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\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: 685D14E81844A0881AA63CF3 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.

    ransomwaretargetcompany
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (3283) files with added filename extension

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

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

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

  • Enumerates connected drives 3 TTPs 23 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.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 1 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\8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46.exe
    "C:\Users\Admin\AppData\Local\Temp\8eba2b306fae985e39005089e2d255056e67519aedac30724993643ab0fa1a46.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:2376
    • C:\Windows\system32\vssadmin.exe
      "C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:4436
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
        PID:4216
      • 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:4612
        • C:\Windows\SysWOW64\sc.exe
          sc delete "MSSQLFDLauncher"
          3⤵
          • Launches sc.exe
          PID:4232
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        2⤵
          PID:1816
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:740

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • F:\$RECYCLE.BIN\FILE RECOVERY.txt
        Filesize

        1KB

        MD5

        fbea8c58daf1d960a392ee4b27a07456

        SHA1

        b704bdcbb06adb0244d9c877440ad4e3f7008650

        SHA256

        f9f7b0dfbfc5ecbf207130ef7e9f3c43ca9d844a7c1433bb4950c97a9c93bacd

        SHA512

        f36575468078a3d276232a770b3865bb98c5ad1d06496322c6bad4ba40c8fa1705bfb0b360df6c020f18f627fadfdcb87c4afd36a88be08e6b2d0edde1de985c

        Download Submit

      • memory/2376-1-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-3795-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-2-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-5-0x0000000000401000-0x0000000000419000-memory.dmp

        Filesize

        96KB

        Download

      • memory/2376-4-0x0000000000700000-0x000000000073D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/2376-7-0x0000000000740000-0x0000000000742000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2376-6-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-8-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-3-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-0-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-11924-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-12495-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-12496-0x0000000000700000-0x000000000073D000-memory.dmp

        Filesize

        244KB

        Download

      • memory/2376-12498-0x0000000000401000-0x0000000000419000-memory.dmp

        Filesize

        96KB

        Download

      • memory/2376-12497-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download

      • memory/2376-12499-0x0000000000400000-0x0000000000446000-memory.dmp

        Filesize

        280KB

        Download