Resubmissions

23-08-2021 11:08

210823-l264ppryy6 10

09-07-2021 19:16

210709-jr7wl287yn 10

Analysis

  • max time kernel
    1793s
  • max time network
    1802s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    23-08-2021 11:08

General

  • Target

    df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e.exe

  • Size

    911KB

  • MD5

    0299e3c2536543885860c7b61e1efc3f

  • SHA1

    682389250d914b95d6c23ab29dffee11cb65cae9

  • SHA256

    df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e

  • SHA512

    f451031bc12e096a50b19f80422e9db5b6913f22ceab000f0dfb5aca767ff0b7fc25ee75482875bc9f2fa1953aaf06b3f50ec2ecb901b31f5e27ffd0707f2781

Malware Config

Extracted

Path

C:\057wgx-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 057wgx. 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 practise - 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/C2D4BAA720D5B3B8 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/C2D4BAA720D5B3B8 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: UzgNvlEfmVH2ufIBToAIgBIzrZzdfkcj0agyK364AcmN4tsLhtUR27JnP43LrGGj I0h3MwsDAKyqsMCLg1g34owSrrFnT4/yFEgEIZAdEgpcXJc+L6FUu7jOcBgf5GVX FS0Iyk2tlZe+5zw/Q/SWEqxTdvHlP0uZKPLpk+wQbBL+qv/WShtgSoMlhIU7GpT9 MWA0Ky0+kDGaq/BgawkrZM3TtseWxO4Shrjh+e75PwaVVZ6g54NjDoextL+nhSrs PU7rVDJJrSVp7KWis7piZAdeJjUi6MIJ0ULvQKXJZUUie8TsPY9HJQglrQjGALtj 3Kljq3tLUcqNSKOJBuHoYMB4xWKB5JEqxxPt8OR5XFSSuWYYx3CcpIq9iDJr3HMF RNcALSSYPmrtfbN8S8G+Fpdd5sKwdY1DJ7vM5/agSllXvfl9CddjakMM9ihSG9Gv xZdX13TuKauk2hJhPBvZqRP1EEeDFoie74gB3VaYowQ1cwovdrszHMtnCumgp+Rj EnRg67N4FKnJgDQKir7/DzqxZtGAuGRx20pWEUeSk8VWJEg6iaK7NFQEFnhv3vel 1898c8Sn1KZjqnBulEylPsGjyiFSatN4d1pyXWCLRRqn4b2rGwVeYsrWozbkNLsf Lfl8msbJAyFtKquqp7SHr6MZxoHtJTnIRotCu82IlMmNprGiudF4oCSOLUMB40aq ss0Zno/h7RFWhZ0Ady90GWcpDH2epJlx0z2LJMp6B6tUBougaHyo21ASmRqBmrpd KdvEIPTUUfdXtF26m6cvId3/I3QrP7eXr/whyzYPbWQMZ4mmNQCSxZP3pOq0+Vke fwvLa2ix2K/S+Vo1UzWCRJE8sezzlLk9PUySot2f2eddpPbxqnc8uCllalZiFxvs FVgMyTw/vCPITeUgRYbyaUgn8gIsAOTEc4grzoey4Lpct55JjlcFX5uMiLkBLYdh NKJmsEVV+ljk16l5pEAaCnzxrt3GcC5j4RMsO4IsvwldSyuOrYI1elHZEeWWRw/d nzVv8Xu+YdFPKaaXSDERttVQG8WWEwALNwc/F9TwXPumAZ4F+FUu3JL/4RM0HHwF qLe579DgMgv9Neg+ToTsgXT9QzKJbZULvcaBNBTLw2cdP4jGFPgNMYGz8dQvJBBw STbIMdV1fKozdb6w92wtNSVlIDvcZTryTf4JdTJO16yXvWk/2UyVrQlACF6gMXxM LgITDkIUhu2ohEILQsw9C75eFSH8B8hxsOgZRq0j8QZHO+C4bz6YZyUzjU3zHM/n KQYDFRL3 ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge 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/C2D4BAA720D5B3B8

http://decoder.re/C2D4BAA720D5B3B8

Extracted

Family

sodinokibi

Botnet

$2a$12$vdqTdjoXfyV.wBOEx9g4ZOFEY483G1yccC4Z7M8GlMP7FMtV5yWcm

Campaign

7598

C2

ecoledansemulhouse.fr

promesapuertorico.com

oldschoolfun.net

hardinggroup.com

fax-payday-loans.com

chrissieperry.com

chandlerpd.com

birnam-wood.com

ivfminiua.com

berlin-bamboo-bikes.org

vesinhnha.com.vn

geisterradler.de

lefumetdesdombes.com

slimani.net

vyhino-zhulebino-24.ru

lusak.at

101gowrie.com

pixelarttees.com

live-your-life.jp

yamalevents.com

Attributes
  • net

    true

  • pid

    $2a$12$vdqTdjoXfyV.wBOEx9g4ZOFEY483G1yccC4Z7M8GlMP7FMtV5yWcm

  • prc

    encsvc

    powerpnt

    xfssvccon

    oracle

    thebat

    ocssd

    sql

    msaccess

    mydesktopservice

    visio

    winword

    dbeng50

    ocomm

    mspub

    isqlplussvc

    infopath

    ocautoupds

    tbirdconfig

    synctime

    agntsvc

    wordpad

    firefox

    thunderbird

    onenote

    dbsnmp

    excel

    sqbcoreservice

    steam

    mydesktopqos

    outlook

  • 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 practise - 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 !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge 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

    7598

  • svc

    backup

    svc$

    veeam

    sophos

    sql

    mepocs

    vss

    memtas

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • suricata: ET MALWARE Known Sinkhole Response Header

    suricata: ET MALWARE Known Sinkhole Response Header

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e.exe
    "C:\Users\Admin\AppData\Local\Temp\df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      "C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe"
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:520
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2816
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3132

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      MD5

      8cc83221870dd07144e63df594c391d9

      SHA1

      3d409b39b8502fcd23335a878f2cbdaf6d721995

      SHA256

      33bc14d231a4afaa18f06513766d5f69d8b88f1e697cd127d24fb4b72ad44c7a

      SHA512

      e7f964a10a8799310a519fa569d264f652e13cc7ea199792dc6a5c0507dec4a12844a87bf8bab714255dce717839908ed5d967ce8f65f5520fe4e7f9d25a622c

    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.exe
      MD5

      8cc83221870dd07144e63df594c391d9

      SHA1

      3d409b39b8502fcd23335a878f2cbdaf6d721995

      SHA256

      33bc14d231a4afaa18f06513766d5f69d8b88f1e697cd127d24fb4b72ad44c7a

      SHA512

      e7f964a10a8799310a519fa569d264f652e13cc7ea199792dc6a5c0507dec4a12844a87bf8bab714255dce717839908ed5d967ce8f65f5520fe4e7f9d25a622c

    • C:\Users\Admin\AppData\Local\Temp\mpsvc.dll
      MD5

      849fb558745e4089a8232312594b21d2

      SHA1

      1bcf1ae39b898aaa8b6b0207d7e307b234614ff6

      SHA256

      d8353cfc5e696d3ae402c7c70565c1e7f31e49bcf74a6e12e5ab044f306b4b20

      SHA512

      48d1e77e426d0a96b55e54c4cd81e8376395f17fe1efa5f11467ecfa8f214c52cc202c561be76ddc8a9958fbba74250947fba0310ce9febaa46894f7454a2bbb

    • \Users\Admin\AppData\Local\Temp\Mpsvc.dll
      MD5

      849fb558745e4089a8232312594b21d2

      SHA1

      1bcf1ae39b898aaa8b6b0207d7e307b234614ff6

      SHA256

      d8353cfc5e696d3ae402c7c70565c1e7f31e49bcf74a6e12e5ab044f306b4b20

      SHA512

      48d1e77e426d0a96b55e54c4cd81e8376395f17fe1efa5f11467ecfa8f214c52cc202c561be76ddc8a9958fbba74250947fba0310ce9febaa46894f7454a2bbb

    • memory/520-114-0x0000000000000000-mapping.dmp
    • memory/520-119-0x0000000002E20000-0x0000000002E41000-memory.dmp
      Filesize

      132KB