Analysis

  • max time kernel
    166s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    19/06/2022, 23:43

General

  • Target

    33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b.exe

  • Size

    364KB

  • MD5

    2b5c64d0ae335be2b30de30ed5cf9b71

  • SHA1

    57a809107f1810a3ed01d4baf09f89a1fb562757

  • SHA256

    33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b

  • SHA512

    96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_ReCoVeRy_+ttxfc.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://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13 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/467AEE3CCAB4AF13 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13 http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/467AEE3CCAB4AF13
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13

http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13

http://xlowfznrg4wf7dli.ONION/467AEE3CCAB4AF13

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_ReCoVeRy_+ttxfc.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> <!---000==-=-==-=-=-=-=-=-=---> 1 - <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13</a> <br> <!------000==-=-==-=-=-=-=-=-= --> 2 - <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13</a> <br> <!------000==-=-==-=-=-=-=-=-= --> 3 - <a href=http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13 target="_blank">http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13</a> <br> <!------000==-=-==-=-=-=-=-=-= --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the <!-----000==-=-==-=-=-=-=-=-= --> addresses are not available, <!------000==-=-==-=-=-=-=-=-= --> follow these steps:</b> <hr> 1 - <!------000==-=-==-=-=-=-=-=-= --> Download and <!------000==-=-==-=-=-=-=-=-= --> 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 - <!---000==-=-==-=-=-=-=-=-= --> Af<!---000==-=-==-=-=-=-=-=-=--->ter a<!---000==-=-==-=-=-=-=-=-=---> succe<!---000==-=-==-=-=-=-=-=-=--->ssful<!------000==-=-==-=-=-=-=-=-= --> instal<!---000==-=-==-=-=-=-=-=-=--->lation, run the br<!---000==-=-==-=-=-=-=-=-=--->owser and w<!---000==-=-==-=-=-=-=-=-=--->ait for initi<!---000==-=-==-=-=-=-=-=-=--->alization.<br> 3 - <!--- 000==-=-==-=-=-=-=-=-= --> Ty<!---000==-=-==-=-=-=-=-=-=--->pe<!-- 000==-=-==-=-=-=-=-=-= --> in<!-- 000==-=-==-=-=-=-=-=-= --> the t<!---000==-=-==-=-=-=-=-=-=--->or-bro<!---000==-=-==-=-=-=-=-=-=--->wser<!-- 000==-=-==-=-=-=-=-=-= --> add<!---000==-=-==-=-=-=-=-=-=--->ress<!-- 000==-=-==-=-=-=-=-=-= --> bar: <font style="font-weight:bold; color:#009977;"><!-- 000==-=-==-=-=-=-=-=-= -->xlowfznrg4wf7dli.onion/467AEE3CCAB4AF13<!-- 000==-=-==-=-=-=-=-=-= --></font><!-- 000==-=-==-=-=-=-=-=-= --><br> 4 - <!--- 000==-=-==-=-=-=-=-=-= --> Fol<!---000==-=-==-=-=-=-=-=-=--->low the instr<!---000==-=-==-=-=-=-=-=-=--->uctions <!-- 000==-=-==-=-=-=-=-=-= --> on the site.</div><br><br><b>!!! IMPO<!---000==-=-==-=-=-=-=-=-=--->RTANT INFO<!---000==-=-==-=-=-=-=-=-=--->RMATION:</b><br> <!-----000==-=-==-=-=-=-=-=-= --><div class="tb" style="width:790px;"><!-----000==-=-==-=-=-=-=-=-= --> Yo<!---000==-=-==-=-=-=-=-=-=--->ur Pers<!---000==-=-==-=-=-=-=-=-=--->onal PAGES<b>: <br> <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/467AEE3CCAB4AF13</a> <br><a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/467AEE3CCAB4AF13</a> <br> <!-----000==-=-==-=-=-=-=-=-= --><a href=http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13 target="_blank">http://yyre45dbvn2nhbefbmh.begumvelic.at/467AEE3CCAB4AF13</a> <br> <!-----000==-=-==-=-=-=-=-=-= --> Your <!------000==-=-==-=-=-=-=-=-= --> Personal TOR-Browser<!-----000==-=-==-=-=-=-=-=-= --> page : <!-----000==-=-==-=-=-=-=-=-= --><font style="font-weight:bold; color:#009977;"><!-- 000==-=-==-=-=-=-=-=-= -->xlowfznrg4wf7dli.onion/467AEE3CCAB4AF13<!-- 000==-=-==-=-=-=-=-=-= --></font><br> <!-----000==-=-==-=-=-=-=-=-= --> Your personal <!------000==-=-==-=-=-=-=-=-= --> ID <!-----000==-=-==-=-=-=-=-=-= --> (if you open <!------000==-=-==-=-=-=-=-=-= --> the site directly): <!-----000==-=-==-=-=-=-=-=-= --> <font style="font-weight:bold; color:#770000;">467AEE3CCAB4AF13</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\33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b.exe
    "C:\Users\Admin\AppData\Local\Temp\33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Users\Admin\AppData\Local\Temp\33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b.exe
      "C:\Users\Admin\AppData\Local\Temp\33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Windows\eaieapkqyfts.exe
        C:\Windows\eaieapkqyfts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4564
        • C:\Windows\eaieapkqyfts.exe
          C:\Windows\eaieapkqyfts.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:3904
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4176
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\33E627~1.EXE
        3⤵
          PID:3108
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2056

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\eaieapkqyfts.exe

            Filesize

            364KB

            MD5

            2b5c64d0ae335be2b30de30ed5cf9b71

            SHA1

            57a809107f1810a3ed01d4baf09f89a1fb562757

            SHA256

            33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b

            SHA512

            96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8

          • C:\Windows\eaieapkqyfts.exe

            Filesize

            364KB

            MD5

            2b5c64d0ae335be2b30de30ed5cf9b71

            SHA1

            57a809107f1810a3ed01d4baf09f89a1fb562757

            SHA256

            33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b

            SHA512

            96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8

          • C:\Windows\eaieapkqyfts.exe

            Filesize

            364KB

            MD5

            2b5c64d0ae335be2b30de30ed5cf9b71

            SHA1

            57a809107f1810a3ed01d4baf09f89a1fb562757

            SHA256

            33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b

            SHA512

            96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8

          • memory/208-133-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/208-142-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/208-136-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/208-137-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/208-134-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/3904-146-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/3904-147-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/3904-148-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/3904-150-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

          • memory/4340-130-0x0000000000680000-0x0000000000684000-memory.dmp

            Filesize

            16KB

          • memory/4340-135-0x0000000000680000-0x0000000000684000-memory.dmp

            Filesize

            16KB

          • memory/4340-131-0x0000000000680000-0x0000000000684000-memory.dmp

            Filesize

            16KB