Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07/07/2022, 22:17

General

  • Target

    43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f.exe

  • Size

    308KB

  • MD5

    32671210c0a482ab57ee2e2f23d974b8

  • SHA1

    4a60d7dbb82893156753079e12f0ada1f5631124

  • SHA256

    43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f

  • SHA512

    132066579a1a268b47f9380cd92816dd76be3ec9cdbea2acb912d9982543da364563a218545bb4a43514276d26731b34080ae13b3c6e60896b7bf1a464e39b1c

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_ReCoVeRy_+finco.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 Key , both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So , there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1 - http://t54ndnku456ngkwsudqer.wallymac.com/40D1774595D8F974 2 - http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/40D1774595D8F974 3 - http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/40D1774595D8F974 If for some reasons the addresses are not available, follow these steps: 1 - Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2 - After a successful installation, run the browser 3 - Type in the address bar: xlowfznrg4wf7dli.onion/40D1774595D8F974 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://t54ndnku456ngkwsudqer.wallymac.com/40D1774595D8F974 http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/40D1774595D8F974 http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/40D1774595D8F974 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/40D1774595D8F974
URLs

http://t54ndnku456ngkwsudqer.wallymac.com/40D1774595D8F974

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/40D1774595D8F974

http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/40D1774595D8F974

http://xlowfznrg4wf7dli.ONION/40D1774595D8F974

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_ReCoVeRy_+finco.html

Ransom Note
<html> <style>a { color:green; }.tb { background:white; border-style:solid; border-width:1px; padding:3px; border-color:lime; } .ttl { font-size:13px; color:880000; }</style><body style="background:#33CCFF;"> <center> <div style="text-align:left; font-family:Arial; <!---4231213423142134231421342341234 --> font-size:13px; line-height:20px; margin-top:10px; width:800px; background:#F4F4F4; padding:20px; border-style:solid; border-width:5px; border-color:#BABABA;"> <b><font class="ttl"><center><b>NOT YOUR LANGUAGE? USE <a href="https://translate.google.com" target="_blank">Google Translate</a></b></center> What<!------4231213423142134231421342341234 --> happened <!------4231213423142134231421342341234 --> to your<!------4231213423142134231421342341234 --> files?</b></font><br> <font style="font-size:13px;">All <!------4231213423142134231421342341234 -->of your files<!------4231213423142134231421342341234 --> were <!------4231213423142134231421342341234 --> protected by a strong<!------4231213423142134231421342341234 --> encr<!---4231213423142134231421342341234 -->yption wi<!---4231213423142134231421342341234 -->th <!------4231213423142134231421342341234 -->RSA4096 <!------4231213423142134231421342341234 --> <br> More <!------4231213423142134231421342341234 --> information about the <!------4231213423142134231421342341234 -->encryption RSA4096 can be<!------4231213423142134231421342341234 --> fou<!---4231213423142134231421342341234 -->nd <a href= http://en.wikipedia.org/wiki/RSA_(cryptosystem) target="_blank"> htt<!--4231213423142134231421342341234 -->ps:<!--4231213423142134231421342341234 -->//en<!--4231213423142134231421342341234 -->.w<!--4231213423142134231421342341234 -->ikipedia<!--4231213423142134231421342341234 -->.<!--4231213423142134231421342341234 -->org/wiki/RSA_(cry<!--4231213423142134231421342341234 -->ptosystem) </a><br></font> <br><b><font class="ttl">Wh<!--4231213423142134231421342341234 -->at <!------4231213423142134231421342341234 --> does th<!--4231213423142134231421342341234 -->is mean?</b></font><br><font style="font-size:13px;"> T<!--4231213423142134231421342341234 -->his<!------4231213423142134231421342341234 --> mea<!--4231213423142134231421342341234 -->ns that the <!------4231213423142134231421342341234 --> str<!--4231213423142134231421342341234 -->ucture and da<!--4231213423142134231421342341234 -->ta wi<!--4231213423142134231421342341234 -->thin your <!------4231213423142134231421342341234 -->files ha<!--4231213423142134231421342341234 -->ve be<!--4231213423142134231421342341234 -->en<!------4231213423142134231421342341234 --> irre<!--4231213423142134231421342341234 -->voca<!--4231213423142134231421342341234 -->bly changed, you will not be able work wi<!--4231213423142134231421342341234 -->th them, read<!------4231213423142134231421342341234 --> th<!--4231213423142134231421342341234 -->em or see them, <!------4231213423142134231421342341234 -->it is the s<!--4231213423142134231421342341234 -->ame thing <!------4231213423142134231421342341234 -->as los<!--4231213423142134231421342341234 -->ing <!------4231213423142134231421342341234 -->them for<!--4231213423142134231421342341234 -->ever, but with our he<!--4231213423142134231421342341234 -->lp, you <!------4231213423142134231421342341234 --> can re<!--4231213423142134231421342341234 -->st<!--4231213423142134231421342341234 -->ore t<!--4231213423142134231421342341234 -->hem <br><br><b><font class="ttl"><!------4231213423142134231421342341234 -->Ho<!--4231213423142134231421342341234 -->w d<!--4231213423142134231421342341234 -->id th<!--4231213423142134231421342341234 -->is hap<!--4231213423142134231421342341234 -->pen?<!------4231213423142134231421342341234 --></b></font> <br> <!------4231213423142134231421342341234 --> <font style="font-size:13px;"><!------4231213423142134231421342341234 --> Espec<!--4231213423142134231421342341234 -->ially for y<!--4231213423142134231421342341234 -->ou,<!------4231213423142134231421342341234 --> on our SER<!--4231213423142134231421342341234 -->VER <!------4231213423142134231421342341234 -->was gene<!--4231213423142134231421342341234 -->rated <!------4231213423142134231421342341234 -->the sec<!--4231213423142134231421342341234 -->ret k<!--4231213423142134231421342341234 -->ey <br>Al<!--4231213423142134231421342341234-->l y<!--4231213423142134231421342341234-->our <!------4231213423142134231421342341234 --> files w<!--4231213423142134231421342341234-->ere encry<!--4231213423142134231421342341234-->pted with the p<!--4231213423142134231421342341234-->ublic k<!--4231213423142134231421342341234-->ey, <!------4231213423142134231421342341234 --> wh<!--4231213423142134231421342341234-->ich has b<!--4231213423142134231421342341234-->een <!------4231213423142134231421342341234 --> trans<!--4231213423142134231421342341234-->ferred to <!------4231213423142134231421342341234 -->y<!--4231213423142134231421342341234-->our co<!--4231213423142134231421342341234-->mputer via <!------4231213423142134231421342341234 -->the Inter<!--4231213423142134231421342341234-->net.<!--4231213423142134231421342341234--><br> <!------4231213423142134231421342341234 --> Decr<!--4231213423142134231421342341234-->ypting of <!------4231213423142134231421342341234 -->YO<!--4231213423142134231421342341234-->UR FI<!--4231213423142134231421342341234-->LES is <!--4231213423142134231421342341234 -->on<!--4231213423142134231421342341234 -->ly p<!--4231213423142134231421342341234 -->oss<!--4231213423142134231421342341234-->ible <!--- -4231213423142134231421342341234 -->w<!--4231213423142134231421342341234 -->ith the he<!--4231213423142134231421342341234-->lp of t<!--4231213423142134231421342341234 -->he <!----4231213423142134231421342341234 -->pri<!--4231213423142134231421342341234-->va<!--4231213423142134231421342341234 -->te k<!--4231213423142134231421342341234-->ey a<!--4231213423142134231421342341234 -->nd <!--4231213423142134231421342341234 -->d<!--4231213423142134231421342341234 -->ecr<!--4231213423142134231421342341234-->ypt p<!--4231213423142134231421342341234 -->rog<!--4231213423142134231421342341234-->ram <!--4231213423142134231421342341234 -->wh<!--4231213423142134231421342341234-->ich is on our <!--- -4231213423142134231421342341234 -->Sec<!--4231213423142134231421342341234-->ret <!--4231213423142134231421342341234 -->Ser<!--4231213423142134231421342341234-->ver!!! </font><br><br><b><font class="ttl">Wh<!--4231213423142134231421342341234-->at do I do?</b></font> <br><font style="font-size:13px;">Alas, if you <!--4231213423142134231421342341234 --> do not take <!---4231213423142134231421342341234 --> the nece<!--4231213423142134231421342341234-->ssary meas<!--4231213423142134231421342341234-->ures <!--4231213423142134231421342341234-->for the spec<!--4231213423142134231421342341234-->ified ti<!--4231213423142134231421342341234-->me th<!--4231213423142134231421342341234-->en t<!--4231213423142134231421342341234-->he co<!--4231213423142134231421342341234-->nditions fo<!--4231213423142134231421342341234-->r obta<!--4231213423142134231421342341234-->ining the priv<!--4231213423142134231421342341234-->ate ke<!--4231213423142134231421342341234-->y w<!--4231213423142134231421342341234-->ill be cha<!--4231213423142134231421342341234-->nged<!--- 4231213423142134231421342341234 --> <br> <!-----4231213423142134231421342341234 --> If you really need <!------4231213423142134231421342341234 --> your data, <!------4231213423142134231421342341234 -->then we suggest you <!------4231213423142134231421342341234 --> do not waste<!------4231213423142134231421342341234 --> valuable <!------4231213423142134231421342341234 --> time searching <!------4231213423142134231421342341234 -->for other <!------4231213423142134231421342341234 --> solutions <!------4231213423142134231421342341234 -->becausen <!----4231213423142134231421342341234 --> they do not exist.</font><br><br> <!----4231213423142134231421342341234 --><div class="tb" style="color:#880000; font-size:13px; border-width:3px;">For more specific instructions, please<!------4231213423142134231421342341234 --> visit your <!------4231213423142134231421342341234 --> personal <!------4231213423142134231421342341234 -->home page,<!------4231213423142134231421342341234 --> there are<!------4231213423142134231421342341234 --> a few <!------4231213423142134231421342341234 -->different <!------4231213423142134231421342341234 -->addresses<!------4231213423142134231421342341234 --> pointing to <!------4231213423142134231421342341234 --> your page<!------4231213423142134231421342341234 --> below:<b><hr> <!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789---> 1 - <a href=http://t54ndnku456ngkwsudqer.wallymac.com/40D1774595D8F974 target="_blank">http://t54ndnku456ngkwsudqer.wallymac.com/40D1774595D8F974</a> <br> <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> 2 - <a href=http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/40D1774595D8F974 target="_blank">http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/40D1774595D8F974</a> <br> <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> 3 - <a href=http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/40D1774595D8F974 target="_blank">http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/40D1774595D8F974</a> <br> <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the <!-----0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> addresses are not available, <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> follow these steps:</b> <hr> 1 - <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> Download and <!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> install tor-browser: <a href=http://www.torproject.org/projects/torbrowser.html.en target="_blank">http://www.torproject.org/projects/torbrowser.html.en</a><br> 2 - <!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> Af<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->ter a<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789---> succe<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->ssful<!------0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> instal<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->lation, run the br<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->owser and w<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->ait for initi<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->alization.<br> 3 - <!--- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> Ty<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->pe<!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> in<!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> the t<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->or-bro<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->wser<!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> add<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->ress<!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> bar: <font style="font-weight:bold; color:#009977;"><!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 -->xlowfznrg4wf7dli.onion/40D1774595D8F974<!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --></font><!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --><br> 4 - <!--- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> Fol<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->low the instr<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->uctions <!-- 0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --> on the site.</div><br><br><b>!!! IMPO<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->RTANT INFO<!---0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789--->RMATION:</b><br> <!-----0354963486893458096728778025308607830789623078452340950978098725340897349789872349872458792453789289734897234508792435807925430789 --><div class="tb" style="width:790px;"><!-----03549634868934580967287780253086078307896230784523409509780987253408973497898723498724587924537892897348972345087924358079254307

Signatures

  • TeslaCrypt, AlphaCrypt

    Ransomware based on CryptoLocker. Shut down by the developers in 2016.

  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f.exe
    "C:\Users\Admin\AppData\Local\Temp\43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f.exe
      "C:\Users\Admin\AppData\Local\Temp\43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4896
      • C:\Windows\xyoejxqhbuad.exe
        C:\Windows\xyoejxqhbuad.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4700
        • C:\Windows\xyoejxqhbuad.exe
          C:\Windows\xyoejxqhbuad.exe
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4976
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5072
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\43A1F6~1.EXE
        3⤵
          PID:2140
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3264

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\xyoejxqhbuad.exe

      Filesize

      308KB

      MD5

      32671210c0a482ab57ee2e2f23d974b8

      SHA1

      4a60d7dbb82893156753079e12f0ada1f5631124

      SHA256

      43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f

      SHA512

      132066579a1a268b47f9380cd92816dd76be3ec9cdbea2acb912d9982543da364563a218545bb4a43514276d26731b34080ae13b3c6e60896b7bf1a464e39b1c

    • C:\Windows\xyoejxqhbuad.exe

      Filesize

      308KB

      MD5

      32671210c0a482ab57ee2e2f23d974b8

      SHA1

      4a60d7dbb82893156753079e12f0ada1f5631124

      SHA256

      43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f

      SHA512

      132066579a1a268b47f9380cd92816dd76be3ec9cdbea2acb912d9982543da364563a218545bb4a43514276d26731b34080ae13b3c6e60896b7bf1a464e39b1c

    • C:\Windows\xyoejxqhbuad.exe

      Filesize

      308KB

      MD5

      32671210c0a482ab57ee2e2f23d974b8

      SHA1

      4a60d7dbb82893156753079e12f0ada1f5631124

      SHA256

      43a1f6e61356e5eff4fba7e0d175d3c4a31d703d6e0d376c005386a2e979686f

      SHA512

      132066579a1a268b47f9380cd92816dd76be3ec9cdbea2acb912d9982543da364563a218545bb4a43514276d26731b34080ae13b3c6e60896b7bf1a464e39b1c

    • memory/3060-130-0x0000000000930000-0x0000000000935000-memory.dmp

      Filesize

      20KB

    • memory/3060-131-0x0000000000930000-0x0000000000935000-memory.dmp

      Filesize

      20KB

    • memory/3060-134-0x0000000000930000-0x0000000000935000-memory.dmp

      Filesize

      20KB

    • memory/4700-143-0x00000000005F0000-0x00000000005F5000-memory.dmp

      Filesize

      20KB

    • memory/4896-142-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4896-137-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4896-135-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4896-136-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4896-133-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4976-147-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4976-148-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4976-149-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/4976-150-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB