Overview

overview

10

Static

static

10

fa57cf745e...b3.exe

windows7-x64

10

fa57cf745e...b3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    101s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2022, 04:50

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General

  • Target
    fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
  • Size 225KB
  • Sample221222-fgclwadh53
  • SHA256 fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
venusevasionpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\README.html

Ransom Note
  • <html><head><title>Venus</title><style type = "text/css">*{padding:0;margin:0}p{color:white}.f{background-color:#ff7c00;width:100%;margin-left:auto;margin-right:auto;height:100%}.c h1{color:white;line-height:80px}.r{word-break:break-all;float:left;width:100%;text-align:center}</style></head><body><div class="f"><div class="c"><h1 align="center">&lt;&lt;&lt;Venus&gt;&gt;&gt;</h1></div><div class="r"><p></br></br></br></br><strong>We downloaded and encrypted your data.</strong></br>Only we can decrypt your data.<br><strong>IMPORTANT!</strong><br> If you, your programmers or your friends would try to help you to decrypt the files it can cause data loss even after you pay.<br> In this case we will not be able to help you.<br>Do not play with files.</p><p>Do not rename encrypted files.<br>Do not try to decrypt your data using third party software, it may cause permanent data loss.<br>Decryption of your files with the help of third parties may cause increased price or you can become a victim of a scam.</br>-----------------------------------------------------</br>Contact and send this file to us:<br><strong><br>email:[email protected]<br>email:[email protected]<br></strong><br><br>7tHcfikjaWfTUUQi1kF4/IpRAHcm3O9U8KwEbX+hYTWWtdPCTp1j+amG/hwc/ff7 W5hdcXuUUdNz5ctjkpvYvJTI0hvnIVuT/qua5Ia8HTV5jdjtBhO5CwxiCoyV29k5 I+OOoxMV/qujZrYStLFjBbPKeaCIg+zKRBpF4ylSY8Gv6i+zHIgNUPaSKrNKJ7G9 iqimwPqmZBPZLUHA228iP144WebJTgBBrx97xxOAtlY8Yw4SH5O1EMA/VFr8ZxHE e7vBYUSVWKEPd8deN817uBxttArs0CZiHFMq72Re9ImTJHGkjpSAlg0cR+sx3oS/ iIoXY8VYnQyHhc1nzszlTdUAT3AsPuq/g1omgDXZ6uLpOFVdvLc10yph3mnH8wu/ e88ezM3wGRv0/LJY9ZDXEJGKaOOdTasAsXDXVcjgJErV4f5JE7fKNtvhT+GUgCPI thtzOfTYNjRL5TbB7xPlTIEKrVGQEK6qQ9B+wC5TEKya0cZUB3aH72YhSXHu9ju2 r15OjoKjlDgs4OulkN3qyfQo15KULC1HPcDx2W//pga/usSrDxafOx7wzIlzEZwf I2zlmYvJKsInCZ/Y+MagidXlqByaKMTuJHLGLFi3kDCLPlR8WCdj46MueejWjTFu LuO66VrSeuV80fg= </p></div></body></html></html></body></html>
Emails

Extracted

Path

  • C:\Users\Admin\AppData\Local\Temp\180596361972527219.hta

Ransom Note
  • <<<Venus>>> We downloaded and encrypted your data.Only we can decrypt your data.IMPORTANT! If you, your programmers or your friends would try to help you to decrypt the files it can cause data loss even after you pay. In this case we will not be able to help you. Do not play with files. Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price or you can become a victim of a scam.-----------------------------------------------------Contact and send this file to us: email:[email protected] email:[email protected]
Emails

Signatures

  • Venus

    Venus is a ransomware first seen in 2022.

    ransomwarevenus
  • Venus Ransomware 5 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 34 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
    "C:\Users\Admin\AppData\Local\Temp\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Windows\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
      "C:\Windows\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe" g g g o n e123
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Checks computer location settings
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4912
      • C:\Windows\System32\cmd.exe
        /C taskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3376
        • C:\Windows\system32\taskkill.exe
          taskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4748
      • C:\Windows\System32\cmd.exe
        /C netsh advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2936
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes
          4⤵
          • Modifies Windows Firewall
          PID:1372
      • C:\Windows\System32\cmd.exe
        /C wbadmin delete catalog -quiet && vssadmin.exe delete shadows /all /quiet && bcdedit.exe /set {current} nx AlwaysOff && wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5972
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:6024
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:5936
        • C:\Windows\system32\bcdedit.exe
          bcdedit.exe /set {current} nx AlwaysOff
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3512
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic SHADOWCOPY DELETE
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:5980
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\180596361972527219.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        3⤵
          PID:3480
      • C:\Windows\System32\cmd.exe
        /c ping localhost -n 3 > nul & del C:\Users\Admin\AppData\Local\Temp\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4932
        • C:\Windows\system32\PING.EXE
          ping localhost -n 3
          3⤵
          • Runs ping.exe
          PID:4576
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:6060
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:6112
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2644
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2848

      Network

            MITRE ATT&CK Enterprise v6

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            Downloads

            180596361972527219.hta
            • Path C:\Users\Admin\AppData\Local\Temp\180596361972527219.hta
            • Size 1KB
            • SHA256 4af73b1d4a6eb3d84ad3119692b156763c8616c19d671632b8afeb90878f3285
            • MD5 SHA1 SHA512
            Submit Download

            fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
            • Path C:\Windows\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
            • Size 225KB
            • SHA256 fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
            • Path C:\Windows\fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3.exe
            • Size 225KB
            • SHA256 fa57cf745ea986627cfeb9615038685304457812f262d3e20bd4ee0a70145bb3
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/4300-132-0x0000000000400000-0x000000000043E000-memory.dmp
            Download

            memory/4912-143-0x0000000000400000-0x000000000043E000-memory.dmp
            Download

            memory/4912-135-0x0000000000400000-0x000000000043E000-memory.dmp
            Download