Overview

overview

10

Static

static

10

a3df8d9e4d...b8.exe

windows7_x64

10

a3df8d9e4d...b8.exe

windows10_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:25

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General

  • Target

    a3df8d9e4d5a3f9badf2fb138dc22afc7bc968c0d1fc8a053d77a790755038b8.exe

  • Size

    172KB

  • MD5

    b3f6ccde76375cbec480de2b81253427

  • SHA1

    dafb09fa55a3d32e8e518b3ba74da0ad4ae93df4

  • SHA256

    a3df8d9e4d5a3f9badf2fb138dc22afc7bc968c0d1fc8a053d77a790755038b8

  • SHA512

    f129584ae8898852784f4c3978b4441ebed2469a0115f375f659136a95eb1302db627ff2b4e55621095db19ea5a494f63afeb0ba423fac074e389546887ecfeb

Score
10/10
sodinokibipersistenceransomware

Malware Config

Extracted

Path

C:\s33fd9-readme.txt

Family

sodinokibi

Ransom Note
---=== Welcome. Again. ===--- [+] Whats Happen? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has expansion s33fd9. 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/0FABDCCF73A09D3E 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://decryptor.cc/0FABDCCF73A09D3E 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: p55cp9KmZahXirG2Bc+n9Tz8EgB6TrcLzh1pyWhouFKIPewpgaYw9+6WbVAaqpd+ JcDmU1SG258/qzdfTCRMI9XJL+aw2ccIgxKMoiNT/J/gSuxPltLcnEHCwBCQcPBT hPI4LTj7R36l/7HYdPBayBckQm1EbddwbA2eMSeswtsWRSGuRT+tuvgo43luInKO b7BYZ4ylRIdfMe3d4hF+T4y/Bz+l5IKQT5sdHAt6gMj4WujRa8yBnjJMWhYZ3Dii 7ifubaeooQcGcxPJoW5GijUz2gkdR6H3CnlVy01aV9uKttnYiioQDec/oAY/wD7B 1/cxDsi6LHBIETJPOnPuoYPtNTPyEZBuLYNPDxgTH30/JovWcnfZU5L9PG5H0r7C ECxjfuihN9N1sdYXR9vUrX8CrQclPLvV7blWuvhdoy9WHYMtubUGRvlUtDvGPUKB 66xUYW/q0hx8m1rVjAnhNCs/fgo+5k1r8f2Egk3N4HTRIrFfZ2Qcp+4ah1ppqg/f 1j8KUPtuc1sxx+tIWcAnnlHG1tTkq9AlZagQhyKGMAJfSj4ts8G0XNIED7aH/xV8 /CSv4m2oEbN57ywWEoe6NPkXnGkH4cRWwJ4bg0zYI7peh+XXCT/MGWliiLfpht/k g7TtuC+dQh0ELA7O9lcR/+3eeo5Yylf6WU+o2taI+I6KS+KorRqtY4e3ywZTBU04 5tyZIdJrWE67UfGE12515VJn5d9ikxOnMQhxyilob0JxegWi8TH4Ex77Uuo1lShq ekG3vK/QQqfPv5SyUKMPC3LKk7En7CI53Y4ZFWIWARqHUGda8Tk6NfcYJg2lVadV wZ6nV9jIQBsqirylXwE8ZA7SmJvk4meHY8hNRrEq6CrnaOb18ia3rrKPRfLQM3ms PcHTGwdLgjdKEyGFmZt8GIrsbsK0deQElg7t2B8Rl601L4wrjZP+j/86sku8oEd1 1RTvlFgsQhKx/II3CVyL6MfM8y0XUueKnzi1eyKfSq8IvIdBhglOr7MXludx+V2u nYSIYLYeBWjAN4D+VcejVYrlrwJai51Z0a0lY6d0fh6mA/Nkq+5JsTb39yUnAKy6 KmbATzbndW9Iw51ijM/OE23keRCm7Ae5uZ5PEpM+kz4UjoyQStgSyHf5q2hlkPgg zTdww6YdQgZqwEx6Mw0zufh7uVsWXvq6M6jkY8uyf6ZbccIe4cOoCA5fFfvSyiyc LPZrln3Fy+YLsSoFpdPg9n+4n3bMFN7JcIBKimScxlqigdHTFw+y1XWM9I84J5zu RVgccfEqpdqJWZwwEngIA60+z1wjl7DP Extension name: s33fd9 ----------------------------------------------------------------------------------------- !!! 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/0FABDCCF73A09D3E

http://decryptor.cc/0FABDCCF73A09D3E

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 27 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3df8d9e4d5a3f9badf2fb138dc22afc7bc968c0d1fc8a053d77a790755038b8.exe
    "C:\Users\Admin\AppData\Local\Temp\a3df8d9e4d5a3f9badf2fb138dc22afc7bc968c0d1fc8a053d77a790755038b8.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:652
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:812
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1080

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/652-56-0x000007FEFBEB1000-0x000007FEFBEB3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/652-57-0x000007FEF30A0000-0x000007FEF3BFD000-memory.dmp
      Filesize

      11.4MB

      Download
    • memory/652-58-0x00000000027D0000-0x00000000027D2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/652-59-0x00000000027D2000-0x00000000027D4000-memory.dmp
      Filesize

      8KB

      Download
    • memory/652-60-0x00000000027D4000-0x00000000027D7000-memory.dmp
      Filesize

      12KB

      Download
    • memory/652-61-0x000000001B700000-0x000000001B9FF000-memory.dmp
      Filesize

      3.0MB

      Download
    • memory/652-62-0x00000000027DB000-0x00000000027FA000-memory.dmp
      Filesize

      124KB

      Download
    • memory/792-55-0x0000000075321000-0x0000000075323000-memory.dmp
      Filesize

      8KB

      Download