Overview

overview

10

Static

static

4cefd600d9...34.exe

windows7_x64

10

4cefd600d9...34.exe

windows10-2004_x64

3

Analysis

  • max time kernel
    152s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 04:34

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General

  • Target

    4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634.exe

  • Size

    345KB

  • MD5

    8161fc66fb09497071bdf39fe02ddb48

  • SHA1

    1da039dacd62ac0f7816fc0251ab23106d5debc1

  • SHA256

    4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634

  • SHA512

    f2416baa41f0efb9136d4ce63bc8d9f529f0e1e7b05234c399025576f7d05db47507b123d92e9f225ffaf5a0d119d9dc980f65c7d8918a78cc04ac97da2f028c

Score
10/10
teslacryptpersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+ucsks.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/D1C970AD5F4A80BD 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD 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/D1C970AD5F4A80BD 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D1C970AD5F4A80BD http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/D1C970AD5F4A80BD
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D1C970AD5F4A80BD

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD

http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD

http://xlowfznrg4wf7dli.ONION/D1C970AD5F4A80BD

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-790309383-526510583-3802439154-1000\_ReCoVeRy_+ucsks.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/D1C970AD5F4A80BD target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D1C970AD5F4A80BD</a> <br> <!------000==-=-==-=-=-=-=-=-= --> 2 - <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD</a> <br> <!------000==-=-==-=-=-=-=-=-= --> 3 - <a href=http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD target="_blank">http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD</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/D1C970AD5F4A80BD<!-- 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/D1C970AD5F4A80BD target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/D1C970AD5F4A80BD</a> <br><a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/D1C970AD5F4A80BD</a> <br> <!-----000==-=-==-=-=-=-=-=-= --><a href=http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD target="_blank">http://yyre45dbvn2nhbefbmh.begumvelic.at/D1C970AD5F4A80BD</a> <br> <!-----000==-=-==-=-=-=-=-=-= --> Your <!------000==-=-==-=-=-=-=-=-= --> Personal TOR-Browser<!-----000==-=-==-=-=-=-=-=-= --> page : <!-----000==-=-==-=-=-=-=-=-= --><font style="font-weight:bold; color:#009977;"><!-- 000==-=-==-=-=-=-=-=-= -->xlowfznrg4wf7dli.onion/D1C970AD5F4A80BD<!-- 000==-=-==-=-=-=-=-=-= --></font><br> <!-----000==-=-==-=-=-=-=-=-= --> Your personal <!------000==-=-==-=-=-=-=-=-= --> ID <!-----000==-=-==-=-=-=-=-=-= --> (if you open <!------000==-=-==-=-=-=-=-=-= --> the site directly): <!-----000==-=-==-=-=-=-=-=-= --> <font style="font-weight:bold; color:#770000;">D1C970AD5F4A80BD</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 1 IoCs
  • Deletes itself 1 IoCs
  • 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
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634.exe
    "C:\Users\Admin\AppData\Local\Temp\4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\lwvfmxdxcnbv.exe
      C:\Windows\lwvfmxdxcnbv.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:944
      • C:\Windows\System32\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4CEFD6~1.EXE
      2⤵
      • Deletes itself
      PID:1632
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\lwvfmxdxcnbv.exe
    Filesize

    345KB

    MD5

    8161fc66fb09497071bdf39fe02ddb48

    SHA1

    1da039dacd62ac0f7816fc0251ab23106d5debc1

    SHA256

    4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634

    SHA512

    f2416baa41f0efb9136d4ce63bc8d9f529f0e1e7b05234c399025576f7d05db47507b123d92e9f225ffaf5a0d119d9dc980f65c7d8918a78cc04ac97da2f028c

    Download Submit

  • C:\Windows\lwvfmxdxcnbv.exe
    Filesize

    345KB

    MD5

    8161fc66fb09497071bdf39fe02ddb48

    SHA1

    1da039dacd62ac0f7816fc0251ab23106d5debc1

    SHA256

    4cefd600d958f0b88eef1cef0729713693c334263f71f01edcfb39f26c9bc634

    SHA512

    f2416baa41f0efb9136d4ce63bc8d9f529f0e1e7b05234c399025576f7d05db47507b123d92e9f225ffaf5a0d119d9dc980f65c7d8918a78cc04ac97da2f028c

    Download Submit

  • memory/656-66-0x0000000000000000-mapping.dmp

    Download

  • memory/944-57-0x0000000000000000-mapping.dmp

    Download

  • memory/944-61-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

    Download

  • memory/944-65-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

    Download

  • memory/1632-62-0x0000000000000000-mapping.dmp

    Download

  • memory/2000-54-0x0000000075221000-0x0000000075223000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2000-55-0x0000000000290000-0x00000000002BF000-memory.dmp

    Filesize

    188KB

    Download

  • memory/2000-56-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

    Download

  • memory/2000-59-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

    Download

  • memory/2000-63-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

    Download