Overview

overview

10

Static

static

4330bfda9e...06.exe

windows7_x64

10

4330bfda9e...06.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-07-2022 23:41

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Report Analysis Logs

General

  • Target

    4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06.exe

  • Size

    421KB

  • MD5

    7aee5b9eda40e9acc892db4c3b7c4fb7

  • SHA1

    ab4d13b7433856c602eba8f95b3ebbfa32baaa1f

  • SHA256

    4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06

  • SHA512

    bfc3a803fd116ec1dddc159084b12534b16617e5e086d9a9f6bf0e0b4b1b574f1daadf64abb341eabbfd5e0a9cc2f1a0d1feef9d6e6cf1ea928f6fe25795483d

Score
10/10
teslacryptpersistenceransomwaresuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_RECoVERY_+snqfg.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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61 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/A0557EFA9A73C61 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/A0557EFA9A73C61
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61

http://xlowfznrg4wf7dli.ONION/A0557EFA9A73C61

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1081944012-3634099177-1681222835-1000\_RECoVERY_+snqfg.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; <!---=0=0=0=0=0 --> 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<!------=0=0=0=0=0 --> happened <!------=0=0=0=0=0 --> to your<!------=0=0=0=0=0 --> files?</b></font><br> <font style="font-size:13px;">All <!------=0=0=0=0=0 -->of your files<!------=0=0=0=0=0 --> were <!------=0=0=0=0=0 --> protected by a strong<!------=0=0=0=0=0 --> encr<!---=0=0=0=0=0 -->yption wi<!---=0=0=0=0=0 -->th <!------=0=0=0=0=0 -->RSA4096 <!------=0=0=0=0=0 --> <br> More <!------=0=0=0=0=0 --> information about the <!------=0=0=0=0=0 -->encryption RSA4096 can be<!------=0=0=0=0=0 --> fou<!---=0=0=0=0=0 -->nd <a href=http://en.wikipedia.org/wiki/RSA_(cryptosystem) target="_blank"> http://en.wikipedia.org/wiki/RSA_(cryptosystem) </a><br></font> <br><b><font class="ttl">Wh<!--=0=0=0=0=0 -->at <!------=0=0=0=0=0 --> does th<!--=0=0=0=0=0 -->is mean?</b></font><br><font style="font-size:13px;"> T<!--=0=0=0=0=0 -->his<!------=0=0=0=0=0 --> mea<!--=0=0=0=0=0 -->ns that the <!------=0=0=0=0=0 --> str<!--=0=0=0=0=0 -->ucture and da<!--=0=0=0=0=0 -->ta wi<!--=0=0=0=0=0 -->thin your <!------=0=0=0=0=0 -->files ha<!--=0=0=0=0=0 -->ve be<!--=0=0=0=0=0 -->en<!------=0=0=0=0=0 --> irre<!--=0=0=0=0=0 -->voca<!--=0=0=0=0=0 -->bly changed, you will not be able work wi<!--=0=0=0=0=0 -->th them, read<!------=0=0=0=0=0 --> th<!--=0=0=0=0=0 -->em or see them, <!------=0=0=0=0=0 -->it is the s<!--=0=0=0=0=0 -->ame thing <!------=0=0=0=0=0 -->as los<!--=0=0=0=0=0 -->ing <!------=0=0=0=0=0 -->them for<!--=0=0=0=0=0 -->ever, but with our he<!--=0=0=0=0=0 -->lp, you <!------=0=0=0=0=0 --> can re<!--=0=0=0=0=0 -->st<!--=0=0=0=0=0 -->ore t<!--=0=0=0=0=0 -->hem <br><br><b><font class="ttl"><!------=0=0=0=0=0 -->Ho<!--=0=0=0=0=0 -->w d<!--=0=0=0=0=0 -->id th<!--=0=0=0=0=0 -->is hap<!--=0=0=0=0=0 -->pen?<!------=0=0=0=0=0 --></b></font> <br> <!------=0=0=0=0=0 --> <font style="font-size:13px;"><!------=0=0=0=0=0 --> Espec<!--=0=0=0=0=0 -->ially for y<!--=0=0=0=0=0 -->ou,<!------=0=0=0=0=0 --> on our SER<!--=0=0=0=0=0 -->VER <!------=0=0=0=0=0 -->was gene<!--=0=0=0=0=0 -->rated <!------=0=0=0=0=0 -->the sec<!--=0=0=0=0=0 -->ret k<!--=0=0=0=0=0 -->ey <br>Al<!--=0=0=0=0=0-->l y<!--=0=0=0=0=0-->our <!------=0=0=0=0=0 --> files w<!--=0=0=0=0=0-->ere encry<!--=0=0=0=0=0-->pted with the p<!--=0=0=0=0=0-->ublic k<!--=0=0=0=0=0-->ey, <!------=0=0=0=0=0 --> wh<!--=0=0=0=0=0-->ich has b<!--=0=0=0=0=0-->een <!------=0=0=0=0=0 --> trans<!--=0=0=0=0=0-->ferred to <!------=0=0=0=0=0 -->y<!--=0=0=0=0=0-->our co<!--=0=0=0=0=0-->mputer via <!------=0=0=0=0=0 -->the Inter<!--=0=0=0=0=0-->net.<!--=0=0=0=0=0--><br> <!------=0=0=0=0=0 --> Decr<!--=0=0=0=0=0-->ypting of <!------=0=0=0=0=0 -->YO<!--=0=0=0=0=0-->UR FI<!--=0=0=0=0=0-->LES is <!--=0=0=0=0=0 -->on<!--=0=0=0=0=0 -->ly p<!--=0=0=0=0=0 -->oss<!--=0=0=0=0=0-->ible <!--- -=0=0=0=0=0 -->w<!--=0=0=0=0=0 -->ith the he<!--=0=0=0=0=0-->lp of t<!--=0=0=0=0=0 -->he <!----=0=0=0=0=0 -->pri<!--=0=0=0=0=0-->va<!--=0=0=0=0=0 -->te k<!--=0=0=0=0=0-->ey a<!--=0=0=0=0=0 -->nd <!--=0=0=0=0=0 -->d<!--=0=0=0=0=0 -->ecr<!--=0=0=0=0=0-->ypt p<!--=0=0=0=0=0 -->rog<!--=0=0=0=0=0-->ram <!--=0=0=0=0=0 -->wh<!--=0=0=0=0=0-->ich is on our <!--- -=0=0=0=0=0 -->Sec<!--=0=0=0=0=0-->ret <!--=0=0=0=0=0 -->Ser<!--=0=0=0=0=0-->ver!!! </font><br><br><b><font class="ttl">Wh<!--=0=0=0=0=0-->at do I do?</b></font> <br><font style="font-size:13px;">Alas, if you <!--=0=0=0=0=0 --> do not take <!---=0=0=0=0=0 --> the nece<!--=0=0=0=0=0-->ssary meas<!--=0=0=0=0=0-->ures <!--=0=0=0=0=0-->for the spec<!--=0=0=0=0=0-->ified ti<!--=0=0=0=0=0-->me th<!--=0=0=0=0=0-->en t<!--=0=0=0=0=0-->he co<!--=0=0=0=0=0-->nditions fo<!--=0=0=0=0=0-->r obta<!--=0=0=0=0=0-->ining the priv<!--=0=0=0=0=0-->ate ke<!--=0=0=0=0=0-->y w<!--=0=0=0=0=0-->ill be cha<!--=0=0=0=0=0-->nged<!--- =0=0=0=0=0 --> <br> <!-----=0=0=0=0=0 --> If you really need <!------=0=0=0=0=0 --> your data, <!------=0=0=0=0=0 -->then we suggest you <!------=0=0=0=0=0 --> do not waste<!------=0=0=0=0=0 --> valuable <!------=0=0=0=0=0 --> time searching <!------=0=0=0=0=0 -->for other <!------=0=0=0=0=0 --> solutions <!------=0=0=0=0=0 -->becausen <!----=0=0=0=0=0 --> they do not exist.</font><br><br> <!----=0=0=0=0=0 --><div class="tb" style="color:#880000; font-size:13px; border-width:3px;">For more specific instructions, please<!------=0=0=0=0=0 --> visit your <!------=0=0=0=0=0 --> personal <!------=0=0=0=0=0 -->home page,<!------=0=0=0=0=0 --> there are<!------=0=0=0=0=0 --> a few <!------=0=0=0=0=0 -->different <!------=0=0=0=0=0 -->addresses<!------=0=0=0=0=0 --> pointing to <!------=0=0=0=0=0 --> your page<!------=0=0=0=0=0 --> below:<b><hr> <!---9=9=9=9=9=9=9=9---> 1 - <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61</a> <br> <!------9=9=9=9=9=9=9=9 --> 2 - <a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61</a> <br> <!------9=9=9=9=9=9=9=9 --> 3 - <a href=http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61 target="_blank">http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61</a> <br> <!------9=9=9=9=9=9=9=9 --></div><br><div class="tb" style="font-size:13px; border-color:#880000;"><b>If for some reasons the <!-----9=9=9=9=9=9=9=9 --> addresses are not available, <!------9=9=9=9=9=9=9=9 --> follow these steps:</b> <hr> 1 - <!------9=9=9=9=9=9=9=9 --> Download and <!------9=9=9=9=9=9=9=9 --> 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 - <!---9=9=9=9=9=9=9=9 --> Af<!---9=9=9=9=9=9=9=9--->ter a<!---9=9=9=9=9=9=9=9---> succe<!---9=9=9=9=9=9=9=9--->ssful<!------9=9=9=9=9=9=9=9 --> instal<!---9=9=9=9=9=9=9=9--->lation, run the br<!---9=9=9=9=9=9=9=9--->owser and w<!---9=9=9=9=9=9=9=9--->ait for initi<!---9=9=9=9=9=9=9=9--->alization.<br> 3 - <!--- 9=9=9=9=9=9=9=9 --> Ty<!---9=9=9=9=9=9=9=9--->pe<!-- 9=9=9=9=9=9=9=9 --> in<!-- 9=9=9=9=9=9=9=9 --> the t<!---9=9=9=9=9=9=9=9--->or-bro<!---9=9=9=9=9=9=9=9--->wser<!-- 9=9=9=9=9=9=9=9 --> add<!---9=9=9=9=9=9=9=9--->ress<!-- 9=9=9=9=9=9=9=9 --> bar: <font style="font-weight:bold; color:#009977;"><!-- 9=9=9=9=9=9=9=9 -->xlowfznrg4wf7dli.onion/A0557EFA9A73C61<!-- 9=9=9=9=9=9=9=9 --></font><!-- 9=9=9=9=9=9=9=9 --><br> 4 - <!--- 9=9=9=9=9=9=9=9 --> Fol<!---9=9=9=9=9=9=9=9--->low the instr<!---9=9=9=9=9=9=9=9--->uctions <!-- 9=9=9=9=9=9=9=9 --> on the site.</div><br><br><b>!!! IMPO<!---9=9=9=9=9=9=9=9--->RTANT INFO<!---9=9=9=9=9=9=9=9--->RMATION:</b><br> <!-----9=9=9=9=9=9=9=9 --><div class="tb" style="width:790px;"><!-----9=9=9=9=9=9=9=9 --> Yo<!---9=9=9=9=9=9=9=9--->ur Pers<!---9=9=9=9=9=9=9=9--->onal PAGES<b>: <br> <a href=http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61 target="_blank">http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A0557EFA9A73C61</a> <br><a href=http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61 target="_blank">http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A0557EFA9A73C61</a> <br> <!-----9=9=9=9=9=9=9=9 --><a href=http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61 target="_blank">http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A0557EFA9A73C61</a> <br> <!-----9=9=9=9=9=9=9=9 --> Your <!------9=9=9=9=9=9=9=9 --> Personal TOR-Browser<!-----9=9=9=9=9=9=9=9 --> page : <!-----9=9=9=9=9=9=9=9 --><font style="font-weight:bold; color:#009977;"><!-- 9=9=9=9=9=9=9=9 -->xlowfznrg4wf7dli.onion/A0557EFA9A73C61<!-- 9=9=9=9=9=9=9=9 --></font><br> <!-----9=9=9=9=9=9=9=9 --> Your personal <!------9=9=9=9=9=9=9=9 --> ID <!-----9=9=9=9=9=9=9=9 --> (if you open <!------9=9=9=9=9=9=9=9 --> the site directly): <!-----9=9=9=9=9=9=9=9 --> <font style="font-weight:bold; color:#770000;">A0557EFA9A73C61</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.

  • 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 26 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06.exe
    "C:\Users\Admin\AppData\Local\Temp\4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Users\Admin\AppData\Local\Temp\4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06.exe
      "C:\Users\Admin\AppData\Local\Temp\4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\qkjxlifjmrsy.exe
        C:\Windows\qkjxlifjmrsy.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:360
        • C:\Windows\qkjxlifjmrsy.exe
          C:\Windows\qkjxlifjmrsy.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:1736
          • C:\Windows\System32\wbem\WMIC.exe
            "C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete /nointeractive
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4268
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\4330BF~1.EXE
        3⤵
          PID:4320
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1200

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\qkjxlifjmrsy.exe
      Filesize

      421KB

      MD5

      7aee5b9eda40e9acc892db4c3b7c4fb7

      SHA1

      ab4d13b7433856c602eba8f95b3ebbfa32baaa1f

      SHA256

      4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06

      SHA512

      bfc3a803fd116ec1dddc159084b12534b16617e5e086d9a9f6bf0e0b4b1b574f1daadf64abb341eabbfd5e0a9cc2f1a0d1feef9d6e6cf1ea928f6fe25795483d

      Download Submit

    • C:\Windows\qkjxlifjmrsy.exe
      Filesize

      421KB

      MD5

      7aee5b9eda40e9acc892db4c3b7c4fb7

      SHA1

      ab4d13b7433856c602eba8f95b3ebbfa32baaa1f

      SHA256

      4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06

      SHA512

      bfc3a803fd116ec1dddc159084b12534b16617e5e086d9a9f6bf0e0b4b1b574f1daadf64abb341eabbfd5e0a9cc2f1a0d1feef9d6e6cf1ea928f6fe25795483d

      Download Submit

    • C:\Windows\qkjxlifjmrsy.exe
      Filesize

      421KB

      MD5

      7aee5b9eda40e9acc892db4c3b7c4fb7

      SHA1

      ab4d13b7433856c602eba8f95b3ebbfa32baaa1f

      SHA256

      4330bfda9eec337dd8acf0d859bf583a4d97af6a3ec091a7e7110d902dd73c06

      SHA512

      bfc3a803fd116ec1dddc159084b12534b16617e5e086d9a9f6bf0e0b4b1b574f1daadf64abb341eabbfd5e0a9cc2f1a0d1feef9d6e6cf1ea928f6fe25795483d

      Download Submit

    • memory/360-138-0x0000000000000000-mapping.dmp

      Download

    • memory/360-141-0x0000000000500000-0x0000000000504000-memory.dmp

      Filesize

      16KB

      Download

    • memory/484-130-0x0000000002210000-0x0000000002214000-memory.dmp

      Filesize

      16KB

      Download

    • memory/484-135-0x0000000002210000-0x0000000002214000-memory.dmp

      Filesize

      16KB

      Download

    • memory/484-131-0x0000000002210000-0x0000000002214000-memory.dmp

      Filesize

      16KB

      Download

    • memory/1736-144-0x0000000000000000-mapping.dmp

      Download

    • memory/1736-151-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1736-149-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1736-148-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1736-147-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1820-133-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1820-143-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1820-136-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1820-134-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

      Download

    • memory/1820-132-0x0000000000000000-mapping.dmp

      Download

    • memory/1820-137-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

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    • memory/4268-150-0x0000000000000000-mapping.dmp

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    • memory/4320-142-0x0000000000000000-mapping.dmp

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