Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 02:01

General

  • Target

    4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f.exe

  • Size

    488KB

  • MD5

    47ad4b07e1f70a187edbe3fe4d39e8a5

  • SHA1

    faec5a208c4e96d6b925bb05a0c43749606f5cee

  • SHA256

    4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f

  • SHA512

    0f8e7d7a345a67a38fec7806507934b871395a4cc36549c2b20cb2034def2a4d55bfde72847d077dda4e63c817ba93357688d66c70b2cfdbd56e4a1ec30e9a2f

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+hsgmo.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/8C20749EC337712C 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C 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/8C20749EC337712C 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8C20749EC337712C http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/8C20749EC337712C
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8C20749EC337712C

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C

http://xlowfznrg4wf7dli.ONION/8C20749EC337712C

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+hsgmo.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/8C20749EC337712C target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8C20749EC337712C</a> <br> <!------1223-=2356 --> 2 - <a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C</a> <br> <!------1223-=2356 --> 3 - <a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C</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/8C20749EC337712C<!-- 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/8C20749EC337712C target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8C20749EC337712C</a> <br><a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/8C20749EC337712C</a> <br> <!-----1223-=2356 --><a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/8C20749EC337712C</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/8C20749EC337712C<!-- 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;">8C20749EC337712C</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 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\4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f.exe
    "C:\Users\Admin\AppData\Local\Temp\4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\tsteebbgorwn.exe
      C:\Windows\tsteebbgorwn.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:2012
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4297F0~1.EXE
      2⤵
      • Deletes itself
      PID:1984
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\tsteebbgorwn.exe

    Filesize

    488KB

    MD5

    47ad4b07e1f70a187edbe3fe4d39e8a5

    SHA1

    faec5a208c4e96d6b925bb05a0c43749606f5cee

    SHA256

    4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f

    SHA512

    0f8e7d7a345a67a38fec7806507934b871395a4cc36549c2b20cb2034def2a4d55bfde72847d077dda4e63c817ba93357688d66c70b2cfdbd56e4a1ec30e9a2f

  • C:\Windows\tsteebbgorwn.exe

    Filesize

    488KB

    MD5

    47ad4b07e1f70a187edbe3fe4d39e8a5

    SHA1

    faec5a208c4e96d6b925bb05a0c43749606f5cee

    SHA256

    4297f03e1e56360f38907c166b6ebb681b7546a4296b8bf774b6c2e33e427b7f

    SHA512

    0f8e7d7a345a67a38fec7806507934b871395a4cc36549c2b20cb2034def2a4d55bfde72847d077dda4e63c817ba93357688d66c70b2cfdbd56e4a1ec30e9a2f

  • memory/764-71-0x0000000000000000-mapping.dmp

  • memory/1528-54-0x0000000000540000-0x00000000005C6000-memory.dmp

    Filesize

    536KB

  • memory/1528-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

    Filesize

    8KB

  • memory/1528-56-0x0000000000400000-0x00000000004CC000-memory.dmp

    Filesize

    816KB

  • memory/1528-61-0x0000000000540000-0x00000000005C6000-memory.dmp

    Filesize

    536KB

  • memory/1984-69-0x0000000000000000-mapping.dmp

  • memory/2012-60-0x0000000000000000-mapping.dmp

  • memory/2012-68-0x0000000000280000-0x0000000000306000-memory.dmp

    Filesize

    536KB