Overview

overview

10

Static

static

10

834ceb76dd...b2.exe

windows7_x64

10

834ceb76dd...b2.exe

windows10_x64

10

Analysis

  • max time kernel
    147s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 01:41

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General

  • Target

    834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe

  • Size

    160KB

  • MD5

    8f22758b941d97d837c65cbd7a113811

  • SHA1

    93da39be6c6297d464574aa92b2d7fd844e60a3d

  • SHA256

    834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2

  • SHA512

    1c7c4482b13e8fad4c26a939c8b25730fa05a2a8af3655085504b80dd0c3fd3ea75279539521d357693b277a7ea9be73e619ba728249db98188da7bd9104e017

Score
10/10
sodinokibiransomware

Malware Config

Extracted

Path

C:\rkkxc57f44-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 rkkxc57f44. 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/265519BDCC103C77 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.top/265519BDCC103C77 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: wZKzPrRjgZknB/b8qivIMOSoZ+/nnxzwMGiFzQ/T6VgGIsCK7u08b7ydpSPQxks3 h0eGfbtRgJnzOfefDLAOkpgJhpF6nnTAzsTxvKNUZ/VFl+ZcfkxTvlRf8fylk/pl B0O47QHpb7EpzKLYPvpYXtNilXhyaUZH1/uMeDFGvYa3+1t8lvxUALh8eEGipl5F o35MEfEDSBoU8n2gJtWCb184bAbkukqxAtYRCirHBAun3FijwauiZT2evKV4pLkB gdifW1G6yiwNJRHfIawzkUU1B2IlyFx0wFeAefhXOHoiPBXWhL8fITDK6R3FHu4P vgdp80XN0XY7V9XgGpkIb1+E9OcqwzNbaiIwJ9qlytGzzgyn2v0kwYFAm4LfBFFC 87fw4EgAXVXp05mMoMYXdSiUVEupKu4kiSvOiTee1dwDdEyBb6H8MObKRIZwoW2o SgVzHcNzH34Ub4jSCf8TYA0EdHH8Ej4D8RqtWmN14odUpacJrAFACEYQPMBU8pT3 pZ4IZykWPwjclfJSQ3b9o0gNA2HYU5VJju5F7r2VueNj24wRxRSlG2vPjqu9RTp8 kNZVZ8o7CjCxD49bwtLBt7SW1QbjCndydNSLs+gLwRtiDDZ7CZ0QyFcw5tOSXW8I 2x/DU5A/m/cdw7LIa8LMY2/5rqFcY7Sk8lGEwXF+1k5AvcXdgXjHikdTKL+1WrMS PLszT8hx+kLiOE4wI74hrv2V1xNYocjDAD4Mv3aS0GFi6HebzMpIL61HwQnTlPSn KMVhPlyUCKlQzyoAHpB58cH0VvZqm4Z89jnVnGqBpMzWpBHePkJak/Qe0D5liT0B Swi0ZbGDOWeqK6Khj9SHplNK7x6qpxgAGGby7i+cq8S7d3LQmZZbjrxyoh3GOKd9 rsw0Q49uXgEjArG6jpZlj56aF6DScRj8DznNXw1vpaX2aFl5/13QrlEh0XP8TkCw A50D9X1va3+Z42lqZf5nFZ3f6p1iEbLIqghcbFQXK/kO7n6TKsYf0QY2RILU1IIH /7ZpNZU0XYVUx5qXxzX861vmPrrwW+K1Ldu/REHDuus0if/i9e7BsjBRIGpEXgos LIUQVt0+Q/O+mi3eetvsvsiE7Yndu5AHUIze1tKJmpTkJSMb3yjFiUT88RlHwDn0 y5d3jjQk9E4= Extension name: rkkxc57f44 ----------------------------------------------------------------------------------------- !!! 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/265519BDCC103C77

http://decryptor.top/265519BDCC103C77

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

    ransomwaresodinokibi
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 7 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Enumerates connected drives 3 TTPs 24 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
    ransomware
  • Drops file in Program Files directory 36 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe
    "C:\Users\Admin\AppData\Local\Temp\834ceb76ddfe5549b0dd8e10891949e9fc4dc23b68517fce991d7efdc7ab8eb2.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:368
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:240
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:568

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/1308-54-0x0000000076071000-0x0000000076073000-memory.dmp
    Filesize

    8KB

    Download