Resubmissions

23-08-2021 11:08

210823-l264ppryy6 10

09-07-2021 19:16

210709-jr7wl287yn 10

Analysis

  • max time kernel
    130s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09-07-2021 19:16

General

  • Target

    df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e.exe

  • Size

    911KB

  • MD5

    0299e3c2536543885860c7b61e1efc3f

  • SHA1

    682389250d914b95d6c23ab29dffee11cb65cae9

  • SHA256

    df2d6ef0450660aaae62c429610b964949812df2da1c57646fc29aa51c3f031e

  • SHA512

    f451031bc12e096a50b19f80422e9db5b6913f22ceab000f0dfb5aca767ff0b7fc25ee75482875bc9f2fa1953aaf06b3f50ec2ecb901b31f5e27ffd0707f2781

Malware Config

Extracted

Path

C:\bb8h6u035-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 bb8h6u035. 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/F420A2306DEF7182 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/F420A2306DEF7182 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: vEoXdtsPno/TFbegh9X8Um1SfbysVD29QcVbmRAlmIw45UhEoo7fhowzJENaJMC5 x0tCUf8Nu1pm7a2dlYyV0bIN2iOYXRRa6RVruIXokASXnioXFqiM79AwWIzvDerw 6yxgCaOuwz2dovNMMlAlWFJK+xkXUbVLnzM6YTETSWKZL4NldBOmMKqMiOc1rZ7o pjZgMipMeiy/nzEtuB32ZZAvWvagumGpU99OM9YcOTegvuYAHUZ/U/CgjJqsv6gW 2mEfMA4K8qaNRd3QFK5tHiiXCpER18SC+HQribCffiE9i/Bz7cJTxcTBJfQApvrw CTAnJt4ngAWJD0NQzc3mtK4bnh1HbYBzDb/HLXAXSf9D35RzIjfcnX79GrfeLlkZ VBkglWMVEcjDE6t6kmLwZ+fa5aq6Cy+XG7q8K04FFjZHt8SbYjxdtslSpx5Ezx2G NRPK2VvadJgHBH+j3MALDucuRZ5Ij7RNiEsH3BgAxdB8CwkDkn0ZLwhMO/YypJ3Y wXjIVdSVIQ1NXW6eDIs2qHr3SdtbvgG7sVxN4vP9Cag2f+GT8AuR0tYLymwHkp1E SfDlil2E0t/WqqC+glr49sksZK5l0sZVPdmBRswgQnjxo8nqI2hdW80pe07RrrSd KHhRa5mv8mBQ4Uj84fwdeycHaTDUCEm7Bbv5p/Ixc5Wyi+mVTVIcVytdpz+9yHZl ECSesSg+V/PVj9DJzJ+DyeNPn5yVxtBW2ldO/WEPGwKyXT1wdbpYRGTNZ5E1xDW7 Jy3UR1st9b3diGOe426211tfUnhzDa7Lev32vEvW6f7ELGz6DBzjZ8khphiYJKqC 0u6ELLXNhAOWCrksfnzIq7fzpKCll9TIhMJZm7t5ktWnX2lSjuGPnC1SqVBo+Jr9 e17bV2RV6WIuj7FjSZ6xyIdYT17yuRaJiwG9llVC3Usucu5ECiCv0AK40ICvp3qt hsfQ7p6MZ5mebxGUBS4IIFSGAARsX0ldwTzeLlLK5bf/lNLRmcataIWR1WooTxD+ LgmSh0kW3+laC+zpwhwBJx3qt2JFArFgJHhWM2R20qnd5teN5fZT9py8OWJvbBoJ eqHMADBNRUK7ntZiRTjYNtZOcFs9JnjixAeAQNI/+5BNggCary5PCVYS9BCg7xif cBfVB0k6NyrpMYkWYrb9UwYTojzgmco5wppg4HUjympY50cBgzWmScAA0X2wvWnA 88iDhcTatYWGntNzigIuY/iNW5ZurvMBOZjJICqpDf0Oc3Jq+JC8c0bLSCJC/9oT gSzIFxxqnn5k8HwJ ----------------------------------------------------------------------------------------- !!! 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/F420A2306DEF7182

http://decoder.re/F420A2306DEF7182

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.

  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 6 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 16 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 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:4432
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4564
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:996
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3640

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    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/4564-114-0x0000000000000000-mapping.dmp
    • memory/4564-119-0x0000000002940000-0x0000000002961000-memory.dmp
      Filesize

      132KB