Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    20-07-2022 17:21

General

  • Target

    4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0.exe

  • Size

    405KB

  • MD5

    8a94f17464afa0bfbe9617f1dd374304

  • SHA1

    e0213df4f3bae64347db6b19fa29202578c978ed

  • SHA256

    4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0

  • SHA512

    f23a0ee1ba5b1d9e9b99c5d7df725e6e2e1096fd428ea47cfbf47fb54baa5449a018020467e2a80b7a5ca4ee9efeccbf76988da068bf1354b2e764d663b29995

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3762437355-3468409815-1164039494-1000\_ReCoVeRy_+fuqiq.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/1C22EF9ABEC9A143 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143 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/1C22EF9ABEC9A143 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/1C22EF9ABEC9A143
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143

http://xlowfznrg4wf7dli.ONION/1C22EF9ABEC9A143

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3762437355-3468409815-1164039494-1000\_ReCoVeRy_+fuqiq.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> <!---1223-=2356---> 1 - <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143</a> <br> <!------1223-=2356 --> 2 - <a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143 target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143</a> <br> <!------1223-=2356 --> 3 - <a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143 target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143</a> <br> <!------1223-=2356 --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the <!-----1223-=2356 --> addresses are not available, <!------1223-=2356 --> follow these steps:</b> <hr> 1 - <!------1223-=2356 --> Download and <!------1223-=2356 --> 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 - <!---1223-=2356 --> Af<!---1223-=2356--->ter a<!---1223-=2356---> succe<!---1223-=2356--->ssful<!------1223-=2356 --> instal<!---1223-=2356--->lation, run the br<!---1223-=2356--->owser and w<!---1223-=2356--->ait for initi<!---1223-=2356--->alization.<br> 3 - <!--- 1223-=2356 --> Ty<!---1223-=2356--->pe<!-- 1223-=2356 --> in<!-- 1223-=2356 --> the t<!---1223-=2356--->or-bro<!---1223-=2356--->wser<!-- 1223-=2356 --> add<!---1223-=2356--->ress<!-- 1223-=2356 --> bar: <font style="font-weight:bold; color:#009977;"><!-- 1223-=2356 -->xlowfznrg4wf7dli.onion/1C22EF9ABEC9A143<!-- 1223-=2356 --></font><!-- 1223-=2356 --><br> 4 - <!--- 1223-=2356 --> Fol<!---1223-=2356--->low the instr<!---1223-=2356--->uctions <!-- 1223-=2356 --> on the site.</div><br><br><b>!!! IMPO<!---1223-=2356--->RTANT INFO<!---1223-=2356--->RMATION:</b><br> <!-----1223-=2356 --><div class="tb" style="width:790px;"><!-----1223-=2356 --> Yo<!---1223-=2356--->ur Pers<!---1223-=2356--->onal PAGES<b>: <br> <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1C22EF9ABEC9A143</a> <br><a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143 target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/1C22EF9ABEC9A143</a> <br> <!-----1223-=2356 --><a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143 target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/1C22EF9ABEC9A143</a> <br> <!-----1223-=2356 --> Your <!------1223-=2356 --> Personal TOR-Browser<!-----1223-=2356 --> page : <!-----1223-=2356 --><font style="font-weight:bold; color:#009977;"><!-- 1223-=2356 -->xlowfznrg4wf7dli.onion/1C22EF9ABEC9A143<!-- 1223-=2356 --></font><br> <!-----1223-=2356 --> Your personal <!------1223-=2356 --> ID <!-----1223-=2356 --> (if you open <!------1223-=2356 --> the site directly): <!-----1223-=2356 --> <font style="font-weight:bold; color:#770000;">1C22EF9ABEC9A143</font><br> </div></div></center></body></html>

Signatures

  • TeslaCrypt, AlphaCrypt

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 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 45 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0.exe
    "C:\Users\Admin\AppData\Local\Temp\4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\ulevybmjyoan.exe
      C:\Windows\ulevybmjyoan.exe
      2⤵
      • Executes dropped EXE
      • 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:1996
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:240
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4E86BF~1.EXE
      2⤵
      • Deletes itself
      PID:1716
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\ulevybmjyoan.exe

    Filesize

    405KB

    MD5

    8a94f17464afa0bfbe9617f1dd374304

    SHA1

    e0213df4f3bae64347db6b19fa29202578c978ed

    SHA256

    4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0

    SHA512

    f23a0ee1ba5b1d9e9b99c5d7df725e6e2e1096fd428ea47cfbf47fb54baa5449a018020467e2a80b7a5ca4ee9efeccbf76988da068bf1354b2e764d663b29995

  • C:\Windows\ulevybmjyoan.exe

    Filesize

    405KB

    MD5

    8a94f17464afa0bfbe9617f1dd374304

    SHA1

    e0213df4f3bae64347db6b19fa29202578c978ed

    SHA256

    4e86bf9bb2a636b38559d1363e02ff3636afc8b6d2439b3f3400eb9063df63a0

    SHA512

    f23a0ee1ba5b1d9e9b99c5d7df725e6e2e1096fd428ea47cfbf47fb54baa5449a018020467e2a80b7a5ca4ee9efeccbf76988da068bf1354b2e764d663b29995

  • memory/240-66-0x0000000000000000-mapping.dmp

  • memory/1716-61-0x0000000000000000-mapping.dmp

  • memory/1996-58-0x0000000000000000-mapping.dmp

  • memory/1996-63-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1996-65-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2028-54-0x0000000075141000-0x0000000075143000-memory.dmp

    Filesize

    8KB

  • memory/2028-56-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2028-55-0x00000000002A0000-0x00000000002CF000-memory.dmp

    Filesize

    188KB

  • memory/2028-57-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2028-62-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB