Overview

overview

10

Static

static

343a79b26c...26.exe

windows7_x64

10

343a79b26c...26.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    19/06/2022, 22:13

Sharing

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Report Analysis Logs

General

  • Target

    343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26.exe

  • Size

    276KB

  • MD5

    67b85d3b8258520e2817283ea7a5b174

  • SHA1

    c1a7d70469dbf9d0197e53e3081151ed76bdc6c4

  • SHA256

    343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26

  • SHA512

    d77de08234d8498707c967cdb9a4cda36c81aca814f1a75eac9f6e7defbeacd229d019698d0e64b8ff1befb2ca4e176ccc288508245ab0a0a13a801db8772359

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_ReCoVeRy_+asvbv.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/6C3C608CAF3C10D1 2 - http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1 3 - http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1 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/6C3C608CAF3C10D1 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6C3C608CAF3C10D1 http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1 http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/6C3C608CAF3C10D1
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6C3C608CAF3C10D1

http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1

http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1

http://xlowfznrg4wf7dli.ONION/6C3C608CAF3C10D1

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1809750270-3141839489-3074374771-1000\_ReCoVeRy_+asvbv.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/6C3C608CAF3C10D1 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6C3C608CAF3C10D1</a> <br> <!------1223-=2356 --> 2 - <a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1 target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1</a> <br> <!------1223-=2356 --> 3 - <a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1 target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1</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/6C3C608CAF3C10D1<!-- 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/6C3C608CAF3C10D1 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/6C3C608CAF3C10D1</a> <br><a href=http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1 target="_blank">http://gfkuwflbhsjdabnu4nfukerfqwlfwr4rw.ringbalor.com/6C3C608CAF3C10D1</a> <br> <!-----1223-=2356 --><a href=http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1 target="_blank">http://oehknf74ohqlfnpq9rhfgcq93g.hateflux.com/6C3C608CAF3C10D1</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/6C3C608CAF3C10D1<!-- 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;">6C3C608CAF3C10D1</font><br> </div></div></center></body></html>

Signatures

  • TeslaCrypt, AlphaCrypt

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

    ransomwareteslacrypt
  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26.exe
    "C:\Users\Admin\AppData\Local\Temp\343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Users\Admin\AppData\Local\Temp\343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26.exe
      "C:\Users\Admin\AppData\Local\Temp\343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\atkvatklhuio.exe
        C:\Windows\atkvatklhuio.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:112
        • C:\Windows\atkvatklhuio.exe
          C:\Windows\atkvatklhuio.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:1136
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5028
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\343A79~1.EXE
        3⤵
          PID:540
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3296

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Windows\atkvatklhuio.exe
            Filesize

            276KB

            MD5

            67b85d3b8258520e2817283ea7a5b174

            SHA1

            c1a7d70469dbf9d0197e53e3081151ed76bdc6c4

            SHA256

            343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26

            SHA512

            d77de08234d8498707c967cdb9a4cda36c81aca814f1a75eac9f6e7defbeacd229d019698d0e64b8ff1befb2ca4e176ccc288508245ab0a0a13a801db8772359

            Download Submit

          • C:\Windows\atkvatklhuio.exe
            Filesize

            276KB

            MD5

            67b85d3b8258520e2817283ea7a5b174

            SHA1

            c1a7d70469dbf9d0197e53e3081151ed76bdc6c4

            SHA256

            343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26

            SHA512

            d77de08234d8498707c967cdb9a4cda36c81aca814f1a75eac9f6e7defbeacd229d019698d0e64b8ff1befb2ca4e176ccc288508245ab0a0a13a801db8772359

            Download Submit

          • C:\Windows\atkvatklhuio.exe
            Filesize

            276KB

            MD5

            67b85d3b8258520e2817283ea7a5b174

            SHA1

            c1a7d70469dbf9d0197e53e3081151ed76bdc6c4

            SHA256

            343a79b26c6e75390885d535d9c7a40d349766d85e168a06d707b7cf648a3b26

            SHA512

            d77de08234d8498707c967cdb9a4cda36c81aca814f1a75eac9f6e7defbeacd229d019698d0e64b8ff1befb2ca4e176ccc288508245ab0a0a13a801db8772359

            Download Submit

          • memory/404-140-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/404-134-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/404-136-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/404-142-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/404-133-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/1136-146-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/1136-147-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/1136-148-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/1136-150-0x0000000000400000-0x0000000000486000-memory.dmp

            Filesize

            536KB

            Download

          • memory/2540-130-0x0000000002200000-0x0000000002205000-memory.dmp

            Filesize

            20KB

            Download

          • memory/2540-135-0x0000000002200000-0x0000000002205000-memory.dmp

            Filesize

            20KB

            Download

          • memory/2540-131-0x0000000002200000-0x0000000002205000-memory.dmp

            Filesize

            20KB

            Download