Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    20-12-2021 16:16

General

  • Target

    sodinokibi.exe

  • Size

    143KB

  • MD5

    a3749c66f65d247d8a6fae1be26d3ef9

  • SHA1

    c394464bba56e62ddfe2c9073932fb656fb78b6c

  • SHA256

    d191761ac8a7b0a3525764664609a8fccfa3732d331c525e9c1c9eb0a7068a9c

  • SHA512

    65bc1dba7e4de098e6b27b13b1e0723f703f645e4a4c6e53b7b03ec096a70d48ec2aca7e8bcd911ced61bab35e95983510604421ef35a593278414bfbb1cb01c

Malware Config

Extracted

Path

C:\gn33r2t-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 gn33r2t. 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/03EE73D80ABE9730 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/03EE73D80ABE9730 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: 7Wb+tHCKmPp+51Y97u6sMlWKMktUHjgwAroV3zN81UiTRvlFeRtCxaGdurcUkM+1 ZXfiPSu3T4TahxDexZu+HZtGrtMtItq71ejTyWdnUfEeo2sFUtEWuww1BOi6DzsB /J4eAcOku8cG2Q4udQB1CsCFOO55xb57Zi8LvZ2oUSQai6db3GeePstd/kjcjD/7 7WxY6LemkNDWJQIw3vgH+qQfQGlpVoLmUwJc5o27DJh8oaVjSEydSPTmb1aa9k2r Hy8ViW76USLnMyL2qHupUupnaJiEimUFiJjJDBXF3YcBBwRGTQ6KVU91Ntshze5R 3WwPWkJK+lbjK6jSdUTWxN5Ow0VaThRTH5wIEZxTQtI0Q13Zdv7L+bnttN/aHtAd edfyuJBmCL8T/SlZvraZUzacmwtJX2ChUhJdikujy7ShJlXNeocXNg7PLsggLIMk AJFTv6ZwXJ/i+gHam8TZctUmn1Z6EjWWd4K7O2o+/wz3Eh/w6NJEFWnfmvGXBqUl o3erfZbTpaXpjMlXetOy5JoBu42i8ijhXeGorNQLfsi0wOYLSJRplb1ogwShQROJ wegYTLs6IzDyQzQPNLYz5MXzyJPQk5dxtahTIIy6mHyYKoVqt1h4uZNxjwG46iV3 orYQvS0d9QbBn3lWyMdnetPUMzdQwHRLaFGjr8e2OTiFObdeunvD5eL712rJHRni R9JayDr4m4LnZgSD+UC6ng9dYlIXEeTfl714eOkdtGQwCUrEdnXq3Ldbgn6aTjfY PnhticQnhpTt3DoHH2lExOlS59FfSAMLqtkVead/VMqR6Hh2m4rzWw9/OD8UlehT ootKpWxyezbS1NdiShHNyzI1WPvXabdkzRZrEbNTCGL+bp7K1Eg4cdsb4K8afiaL gSl60vbDjeNSHh9XoZfdnloLbmpzGUO4gAxCjDvwJfaEp8QXbAOutklPNFXYtqfB 0eb4Oo4GJMFhhapagWJo+UOqhV1yESq6UpjIlVEa3mBGlUUEqBWK0Kzp1H2JLzNY DjM26DiwkgKRwFAKmc61G+MfPIFiCwEt2Nk8fk/8gXRb46a0jnc8Fr1u6m1Jpj+i WR2uhbQocAtavmsZJaNPJ8N7eNmpGrPW2WrrbnzNWpW6m//tw5nBFjEK Extension name: gn33r2t ----------------------------------------------------------------------------------------- !!! 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/03EE73D80ABE9730

http://decryptor.top/03EE73D80ABE9730

Signatures

  • Sodin,Sodinokibi,REvil

    Ransomware with advanced anti-analysis and privilege escalation functionality.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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 29 IoCs
  • Drops file in Windows directory 64 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sodinokibi.exe
    "C:\Users\Admin\AppData\Local\Temp\sodinokibi.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3764
    • 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:3540
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1100
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2020

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
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

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1100-120-0x0000000000000000-mapping.dmp
  • memory/3540-119-0x0000000000000000-mapping.dmp
  • memory/3764-116-0x0000000000910000-0x0000000000933000-memory.dmp
    Filesize

    140KB

  • memory/3764-115-0x0000000000910000-0x0000000000933000-memory.dmp
    Filesize

    140KB

  • memory/3764-117-0x0000000000D40000-0x0000000000D41000-memory.dmp
    Filesize

    4KB

  • memory/3764-118-0x0000000000D50000-0x0000000000D56000-memory.dmp
    Filesize

    24KB