Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    31-03-2021 11:40

General

  • Target

    d52aa9635351831bd08eaf0a37c35902ad2cbfdc69000f24136cf9bb738b4b36.bin.sample.exe

  • Size

    264KB

  • MD5

    887c1faf8a97ba6484958ec3f7230273

  • SHA1

    b6b9e5982e2f935fa8a39f0a3f42128dfaf88c2a

  • SHA256

    d52aa9635351831bd08eaf0a37c35902ad2cbfdc69000f24136cf9bb738b4b36

  • SHA512

    b83d73e0a1bd1cec958d83b98d83e7999d130fc51c431a7c4358709f41734438040f7c21f160b8737d6f76be78353b51addd198ca204ab3386c5ac946ab6e470

Malware Config

Extracted

Path

C:\4wnw41-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, stolen, and currently unavailable. You can check it: all files on your system has extension 4wnw41. 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/5BF49FF36933013A 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/5BF49FF36933013A 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: l8+Ix+uVzXYoAw6uiNakQ2Pq307VsWIe6qC8cIC7aqZ/znV5zDG8sk4PLpQ3KqfY +PpvNw81+l63Mdn8WlrlaSpKb2HGMLAL8fh7tW/BE7mt+xDQ/mdnhB/b5Mls1Kq5 wfX7z/369vCk0rFwfnES4L4/LX/vFStYLojqhOyHgrLQhT2V4pp2jN83pIJ9vebj IzcndX3ZXvlYMVV3zO0kX3lBmMQI5+X2tj6oKRZOD61dAZiJqm9E6pAj8iMW3fdU FDBJ9WkIdmHp2BSe/nkDMRU7Krx172cBRbXkHB4lpjIWcsf+zkVfPzrDNRIHr8Gz ts/HbNxJtcSCBPmOH1RiLctOXOkKvMsABKHW//u3DKrfEpCSaXBDR+r2R84lnq8S 9xb/LDomhJTpLLasfzXkyeAu843apmwuKf2C/mp2uBnon3DQZJpWTFtHNfxHcXw7 EcZXiCO3hbXAIkRBdpMxfc4LyyyTYkQXhNknup3BaXtvWjGP9SHvE6MUjARQiCiC IrpphnCzemLt7MASGeynwqqHAwk9ZtejGjco/3J4JAkg2dZivv+1vZljnY5+Nl4U b3p8F+p2tZved2W8Aknb7trHy2AiGJiAX3S1tG0tM5vZrrRDw1E26pbY0FP/GQee Zgpilan9A18Pe+kCpf1W22YnNZ6SP9VzZpBuaSj0huckxoxzlZbrIkdLcABE5jdm eKSlsFQCgPRFkc8sGsFksl/NZyM6T/V9dkF6XZUdUjpvfEtJ2sRzwMxd1DGCD033 c1EdanMju34H8GUf0kUBhSxnW6w6ux426woFo6ShBg442N35IXylkKJ3v4TtQXh7 sZCNYrTKs4y4pVxppUldxwgCLpVzSm4ZrAEPn5wVqisrPK/VWH8Bm1nDF6Bd+tFF 0YVirOb8TnkChOryS1XypDtddTajhnJclbHNRFj+zEaPm0SQWozJYniknRMW75ih WeROY276u2ywt0dKAyTYyDsYh2jbzFB6Mv1PtssXkj0Jfm5vClA0lDKbNw+X0Ied d7IHzILZETWcKXflwuoG5s5SzdrAugynXXg3wxE2ygX1zf6qs8z67NyZtlDsTpXY qSwiluSBMoVmSx7Gyvxs17+gNEBso+7CpXPMuM/1DQIO3gifsMIWNTuUu1U0KjzZ 4+EIvl6f0qgsepJVc//xP9hx6+rNfHv5EFORrO8LTg+e6IxRIP+OM8scU/1ufZqC iqmZK0Baw1U4jeTm0lXp2Mrs5WZtgqwKlC1fTxOcGYcHdXy/XHaFY6L0sdNb6323 HZci+p3o ----------------------------------------------------------------------------------------- !!! 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/5BF49FF36933013A

http://decoder.re/5BF49FF36933013A

Extracted

Family

sodinokibi

Botnet

$2a$10$TCnzCDlYuVQIlorXTCZNvuFpQ0LO5bskTLBgsoSNSFwwDdCS7mWFK

Campaign

7233

C2

yassir.pro

operaslovakia.sk

commercialboatbuilding.com

xtptrack.com

limassoldriving.com

tampaallen.com

milsing.hr

herbstfeststaefa.ch

ctrler.cn

interactcenter.org

waermetauscher-berechnen.de

securityfmm.com

new.devon.gov.uk

deko4you.at

bauertree.com

oslomf.no

balticdermatology.lt

eadsmurraypugh.com

comarenterprises.com

woodleyacademy.org

Attributes
  • net

    true

  • pid

    $2a$10$TCnzCDlYuVQIlorXTCZNvuFpQ0LO5bskTLBgsoSNSFwwDdCS7mWFK

  • prc

    mspub

    sql

    powerpnt

    agntsvc

    mydesktopqos

    sqbcoreservice

    encsvc

    thunderbird

    wordpad

    thebat

    visio

    steam

    ocautoupds

    infopath

    ocssd

    xfssvccon

    dbeng50

    dbsnmp

    outlook

    synctime

    isqlplussvc

    excel

    winword

    firefox

    ocomm

    oracle

    tbirdconfig

    onenote

    mydesktopservice

    msaccess

  • 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, stolen, 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

    7233

  • svc

    vss

    sql

    veeam

    sophos

    svc$

    memtas

    backup

    mepocs

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 13 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d52aa9635351831bd08eaf0a37c35902ad2cbfdc69000f24136cf9bb738b4b36.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\d52aa9635351831bd08eaf0a37c35902ad2cbfdc69000f24136cf9bb738b4b36.bin.sample.exe"
    1⤵
    • 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:4768
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3852
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:820

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4768-2-0x00000000025D0000-0x00000000025D1000-memory.dmp
      Filesize

      4KB

    • memory/4768-3-0x00000000025D0000-0x00000000025D1000-memory.dmp
      Filesize

      4KB

    • memory/4768-6-0x00000000008C0000-0x00000000008E0000-memory.dmp
      Filesize

      128KB

    • memory/4768-7-0x0000000000400000-0x0000000000421000-memory.dmp
      Filesize

      132KB