Analysis

  • max time kernel
    144s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-07-2021 08:00

General

  • Target

    596a77aae9e16b975c67910b1676bc2b58c8a4d5e9388b97c305520ec7603236.dll

  • Size

    789KB

  • MD5

    905837b2341ea4db0de4d08a45c7f9bb

  • SHA1

    483492169abf3a1ad8e75b1cace4b101b7994072

  • SHA256

    596a77aae9e16b975c67910b1676bc2b58c8a4d5e9388b97c305520ec7603236

  • SHA512

    4394aa7a431963ebf24555756575839bf8ce30d9bbf90fb4b1cea101f75aa50867fefc3f4046f12edf16b8e65cb35e15c49a9a0bc3cdbb2d9ce7ee87ecb7158e

Malware Config

Extracted

Path

C:\cd7ghz-readme.txt

Ransom Note
---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension cd7ghz. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/B7C973A82C180691 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/B7C973A82C180691 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: 92owMZBe+r2kLmPeu1kswQ1zhetkhPYkGOGjbyhcr3jwwUZr0ep8nYOgYLhpPtIl rirkyb4cwmrFamHmj7MdGzOUP0arbnvz3Gf13kICOcrAO+L97jo5wGmdpLKxApFJ ZQedBwHvXJQZYGJwYUWZqLe/rg3FCKha6Ygwtg0HEB+p36PicvG4EBlIGt5xUbzI 5zGh67iFchBhRXeQIsBKJksu1Sed/UDMoZ2nFrk2oTkiV2TsCIjMaPDgX1nsEbR2 i33mvs+Ud3V8IXACaAvT1BaSsVhE9ni52xkHEaBDI3M2Q5aehzmtmIXt9uVM0WtG Kf1xfkFbJWAU6FO1R14oDsypMd7CzWub9n20FrJ/4qxOkMD9FMWQ/ehKmu4J9uWs BJadBhR/nRMLLvv0o4tpWNV2uckajUNczONLM/4aJDKigUhGqsVqE5WANsfvCXb7 3b+hd+Z4hxRsSs/ZScKjcPjZ9UfaNJWSxqVnvhB8CWu/JO1qjXSMSan/gzC7trHf +ssCPNVSY5ZaggJ+0FLUpXOaicxpLR2HUKAA9oD3C53Us7iNm9ZcArm/EK9WEwGf 9s/nWRan90I5V8CgAQLzKDCc00BfuN8bsLBdWcrt4L6bMGeozyvvUqlGI4HwFPkS ruINmr9tixkg746YS4v8ya/k5j9Frnb7mwCkZCCNxbuD27nEQqbQzKBsCoy26SzV +WELlD5HWhuNdrpPAhDxK5VjKYqvGsmqlzXIFZTOyJ0dWSncm4YN+9bKtstymf4q edcsn9alqyVVNJ+OqOvj0aGBnz4w558+7wfnYRq3mcCXWxR+MXSnMHOpo7b4dIVm 8+xooMR2dVKEhflTzOtZtFE1YRJx3ubgoUHjWlgeRk/XzopRm94XJNQ4jjYMLV0o /haMRfuV58oc0/SjQBGzOukrl9xbbV/rs5fCkXTpJGaIlmEq8daOum3JmReewbKa JuxszN5FAiQGs59l/eBWGjmNeOScb46oRvwiGLAzk8we3i2KuIPVIRP/lBF+4ECo 6pAiWXLC+q4K8U1OUJ03h2eldFn9NiG+X2RGrf+Ct8xMgIa8naqPQc+KDt5GvqQH kruoMQEf+X3VD2Jhb4rBJg+8dT0ts6AmeT5BsTdJ4FhuTHWbAnAVlvc6ZHns+sRu AKVVImqEv8bq/XbKuVId920TeAxsuPo8e+1EIcqRRH0DKxWgVC1aqYCMlIba9yr9 XwdXTFIAw0I/6B40UAV7YrX2tN/UG1jMvO0bWqVAnv+2baKq3GssFdRedKd1qTW9 GST+d8kB ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/B7C973A82C180691

http://decoder.re/B7C973A82C180691

Extracted

Family

sodinokibi

Botnet

$2a$12$prOX/4eKl8zrpGSC5lnHPecevs5NOckOUW5r3s4JJYDnZZSghvBkq

Campaign

8254

C2

boisehosting.net

fotoideaymedia.es

dubnew.com

stallbyggen.se

koken-voor-baby.nl

juneauopioidworkgroup.org

vancouver-print.ca

zewatchers.com

bouquet-de-roses.com

seevilla-dr-sturm.at

olejack.ru

i-trust.dk

wasmachtmeinfonds.at

appsformacpc.com

friendsandbrgrs.com

thenewrejuveme.com

xn--singlebrsen-vergleich-nec.com

sabel-bf.com

seminoc.com

ceres.org.au

Attributes
  • net

    false

  • pid

    $2a$12$prOX/4eKl8zrpGSC5lnHPecevs5NOckOUW5r3s4JJYDnZZSghvBkq

  • prc

    encsvc

    powerpnt

    ocssd

    steam

    isqlplussvc

    outlook

    sql

    ocomm

    agntsvc

    mspub

    onenote

    winword

    thebat

    excel

    mydesktopqos

    ocautoupds

    thunderbird

    synctime

    infopath

    mydesktopservice

    firefox

    oracle

    sqbcoreservice

    dbeng50

    tbirdconfig

    msaccess

    visio

    dbsnmp

    wordpad

    xfssvccon

  • ransom_oneliner

    All of your files are encrypted! Find {EXT}-readme.txt and follow instuctions

  • ransom_template

    ---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension {EXT}. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/{UID} 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/{UID} Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: {KEY} ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!

  • sub

    8254

  • svc

    veeam

    memtas

    sql

    backup

    vss

    sophos

    svc$

    mepocs

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 4 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\596a77aae9e16b975c67910b1676bc2b58c8a4d5e9388b97c305520ec7603236.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\596a77aae9e16b975c67910b1676bc2b58c8a4d5e9388b97c305520ec7603236.dll,#1
      2⤵
      • Modifies extensions of user files
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3336
      • C:\Windows\SysWOW64\netsh.exe
        netsh advfirewall firewall set rule group="Network Discovery" new enable=Yes
        3⤵
          PID:2804
    • C:\Windows\system32\wbem\unsecapp.exe
      C:\Windows\system32\wbem\unsecapp.exe -Embedding
      1⤵
        PID:2352
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1332

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2804-116-0x0000000000000000-mapping.dmp
      • memory/3336-114-0x0000000000000000-mapping.dmp
      • memory/3336-115-0x0000000000F10000-0x0000000000F32000-memory.dmp
        Filesize

        136KB