Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2022 23:36

General

  • Target

    5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962.exe

  • Size

    308KB

  • MD5

    44654a2110c1d3b323e95ad53f0c2df2

  • SHA1

    edb618557380731a31e376d0a61c9836c83bc228

  • SHA256

    5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962

  • SHA512

    08fc2c7a6d1a59042f0233c99b8a805335df6f6c2315d3a2a7bf4a15675508c1e4e9465dc35d9941dd65fcfdf00d36462f591a438caa0e96bae1adcbb5572c35

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1178428168-2939480073-3055857545-1000\_ReCoVeRy_+ntkmb.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://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493 2 - http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493 3 - http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493 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/B7B248522CCDF493 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493 http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493 http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/B7B248522CCDF493
URLs

http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493

http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493

http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493

http://xlowfznrg4wf7dli.ONION/B7B248522CCDF493

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1178428168-2939480073-3055857545-1000\_ReCoVeRy_+ntkmb.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> <!---2+1=3---> 1 - <a href=http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493 target="_blank">http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493</a> <br> <!------2+1=3 --> 2 - <a href=http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493 target="_blank">http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493</a> <br> <!------2+1=3 --> 3 - <a href=http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493 target="_blank">http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493</a> <br> <!------2+1=3 --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the <!-----2+1=3 --> addresses are not available, <!------2+1=3 --> follow these steps:</b> <hr> 1 - <!------2+1=3 --> Download and <!------2+1=3 --> 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 - <!---2+1=3 --> Af<!---2+1=3--->ter a<!---2+1=3---> succe<!---2+1=3--->ssful<!------2+1=3 --> instal<!---2+1=3--->lation, run the br<!---2+1=3--->owser and w<!---2+1=3--->ait for initi<!---2+1=3--->alization.<br> 3 - <!--- 2+1=3 --> Ty<!---2+1=3--->pe<!-- 2+1=3 --> in<!-- 2+1=3 --> the t<!---2+1=3--->or-bro<!---2+1=3--->wser<!-- 2+1=3 --> add<!---2+1=3--->ress<!-- 2+1=3 --> bar: <font style="font-weight:bold; color:#009977;"><!-- 2+1=3 -->xlowfznrg4wf7dli.onion/B7B248522CCDF493<!-- 2+1=3 --></font><!-- 2+1=3 --><br> 4 - <!--- 2+1=3 --> Fol<!---2+1=3--->low the instr<!---2+1=3--->uctions <!-- 2+1=3 --> on the site.</div><br><br><b>!!! IMPO<!---2+1=3--->RTANT INFO<!---2+1=3--->RMATION:</b><br> <!-----2+1=3 --><div class="tb" style="width:790px;"><!-----2+1=3 --> Yo<!---2+1=3--->ur Pers<!---2+1=3--->onal PAGES<b>: <br> <a href=http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493 target="_blank">http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/B7B248522CCDF493</a> <br><a href=http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493 target="_blank">http://u54bbnhf354fbkh254tbkhjbgy8258gnkwerg.tahaplap.com/B7B248522CCDF493</a> <br> <!-----2+1=3 --><a href=http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493 target="_blank">http://w6bfg4hahn5bfnlsafgchkvg5fwsfvrt.hareuna.at/B7B248522CCDF493</a> <br> <!-----2+1=3 --> Your <!------2+1=3 --> Personal TOR-Browser<!-----2+1=3 --> page : <!-----2+1=3 --><font style="font-weight:bold; color:#009977;"><!-- 2+1=3 -->xlowfznrg4wf7dli.onion/B7B248522CCDF493<!-- 2+1=3 --></font><br> <!-----2+1=3 --> Your personal <!------2+1=3 --> ID <!-----2+1=3 --> (if you open <!------2+1=3 --> the site directly): <!-----2+1=3 --> <font style="font-weight:bold; color:#770000;">B7B248522CCDF493</font><br> </div></div></center></body></html>

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\5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962.exe
    "C:\Users\Admin\AppData\Local\Temp\5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962.exe
      "C:\Users\Admin\AppData\Local\Temp\5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\bqoalaycjbdn.exe
        C:\Windows\bqoalaycjbdn.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3688
        • C:\Windows\bqoalaycjbdn.exe
          C:\Windows\bqoalaycjbdn.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:920
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\5085ED~1.EXE
        3⤵
          PID:4940
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4088

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\bqoalaycjbdn.exe

      Filesize

      308KB

      MD5

      44654a2110c1d3b323e95ad53f0c2df2

      SHA1

      edb618557380731a31e376d0a61c9836c83bc228

      SHA256

      5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962

      SHA512

      08fc2c7a6d1a59042f0233c99b8a805335df6f6c2315d3a2a7bf4a15675508c1e4e9465dc35d9941dd65fcfdf00d36462f591a438caa0e96bae1adcbb5572c35

    • C:\Windows\bqoalaycjbdn.exe

      Filesize

      308KB

      MD5

      44654a2110c1d3b323e95ad53f0c2df2

      SHA1

      edb618557380731a31e376d0a61c9836c83bc228

      SHA256

      5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962

      SHA512

      08fc2c7a6d1a59042f0233c99b8a805335df6f6c2315d3a2a7bf4a15675508c1e4e9465dc35d9941dd65fcfdf00d36462f591a438caa0e96bae1adcbb5572c35

    • C:\Windows\bqoalaycjbdn.exe

      Filesize

      308KB

      MD5

      44654a2110c1d3b323e95ad53f0c2df2

      SHA1

      edb618557380731a31e376d0a61c9836c83bc228

      SHA256

      5085ed5da0d670e2fe34bffdcdc74cc51b0d1d76000ef002f6bacd76c40e4962

      SHA512

      08fc2c7a6d1a59042f0233c99b8a805335df6f6c2315d3a2a7bf4a15675508c1e4e9465dc35d9941dd65fcfdf00d36462f591a438caa0e96bae1adcbb5572c35

    • memory/920-146-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/920-143-0x0000000000000000-mapping.dmp

    • memory/920-150-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/920-148-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/920-147-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/1164-134-0x0000000000530000-0x0000000000535000-memory.dmp

      Filesize

      20KB

    • memory/1164-130-0x0000000000530000-0x0000000000535000-memory.dmp

      Filesize

      20KB

    • memory/1164-131-0x0000000000530000-0x0000000000535000-memory.dmp

      Filesize

      20KB

    • memory/3064-142-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3064-135-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3064-132-0x0000000000000000-mapping.dmp

    • memory/3064-133-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3064-137-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3064-136-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/3688-138-0x0000000000000000-mapping.dmp

    • memory/4940-141-0x0000000000000000-mapping.dmp

    • memory/4972-149-0x0000000000000000-mapping.dmp