Analysis

  • max time kernel
    129s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:26

General

  • Target

    1e1653773e590ea0cfda3b5e772b1f03c9a08a3cd595061100e2f2c50a3053a5.exe

  • Size

    160KB

  • MD5

    58e8b758ea3967a2b2f5e5f09d4d5543

  • SHA1

    bdad8c5a011d092ec2c29b08a5aa6f2e2817de09

  • SHA256

    1e1653773e590ea0cfda3b5e772b1f03c9a08a3cd595061100e2f2c50a3053a5

  • SHA512

    5af25f2103ea8a58b7af78fbcb5113fdb20ec28305465c2ec611d34c20272cdb8c65bdb4fe199c69fd7b41d688843ec65d1284377b8802250b02b8d6ff7ded64

Score
10/10

Malware Config

Extracted

Path

C:\i679wuu-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 i679wuu. 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/61E3D75247AA8567 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/61E3D75247AA8567 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: ptziAVx4GtQcgDc19gsVPQ8g8PN3MhOuOslmtaMHilvdEPa6eavFpy/JVV/Orb1Q nonEI6nrXIDNDdDyDXv9L5bG217pQ+5dP9VBaSxCVM4Bb+jkc22m8Yul7TxPQH3m nVYTx5HO14qdR3Svxm2Cate8e4I5RUqkmwDYMPZRV7FJHPXSupJah7kArZP2JG/y b893QzMvEP2Oz3aQMgvAb4tqRb4kzdByMsNld0MHT+5tdh+mvxFpQF5AWxxe8DCj j391K5E0WLli10msMYvyN7k/GwFFr9qePtu3VJHDK9uFlaRKCWXGNHkv9QYwXAN0 MOOVUrg/+Ebuxk7fjGp5JxECJMKyb5ef7d29a74s2RvfddI6YAbtLG4XDQRFQNvA +YZxR5DiDLJMtqMHOL8kzuoNWQ/r78F/SX6qSUr237Y/d+zhuUUdXNFfiTy226rt 8+9uolcr6UmN/25WO/JJMPQGnKxlTNrSi7Nh9Z45Nqaw37lpdVZagWkV+wI0HNRp tbCRc7+dMWt/8kKfjMJqO3amxBlbwz8WDFNuzMmpm+1IoEo4rZ6CF2H7b0FOhBNB VLTVlf6/XYi1QhpM6bt92/WAhzbIM4W0ML4jMdwIbWO5of0Xeli8jaL/Lc1i/Yyo 6E09FIzTGOP44GS1ze+9tXPOUXHLyMTM5atetwjR+MwgJqeaSJrtso0DR3SQ208Q EvQn9WkaFFruIM9eACuGaFfy1v9/fegbPhZ2xrJ3EdR8zaatIHdGo69PMDsipJbp CUgmY8Bt3H8++Zi+dscsO5Ub0kEvZOj76Jb+Mi0/OsIymyByKO5GWtp1Xz+Y3M63 p9C79J9HVSC4JCHm7bZ9XrZ2Lx6CiZrnLAFLZ84yPzVHLkp/v7Ga0IHvvOVCzPwk 0tRe5Inz8/VgQq1PBnXcpFk2HsAlHAvpE5fPJaUQIEGVP7/s/IPb45g68cuXZ9WK BZ+ctQSe8tqUPdoxQkB40lpo6qZgBq/cJf0RaKbRiUUaHHvX5RUG8OfQROQs+30f mZrQlVGrchbLbSfBRjep5LKzZhbGIAFsIlg2HfF8MHQQXXKb1iWoFLIiPcFD9epS OgIzS/ra56nynNlLkJ3ih/QgDoMbvTLqiFcWGIqvLwk8nZ9DylUBaDrvRdjeCq56 TDyO+w== Extension name: i679wuu ----------------------------------------------------------------------------------------- !!! 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/61E3D75247AA8567

http://decryptor.top/61E3D75247AA8567

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 11 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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
  • Drops file in Program Files directory 33 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e1653773e590ea0cfda3b5e772b1f03c9a08a3cd595061100e2f2c50a3053a5.exe
    "C:\Users\Admin\AppData\Local\Temp\1e1653773e590ea0cfda3b5e772b1f03c9a08a3cd595061100e2f2c50a3053a5.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:1600
    • 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:432
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:1724
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:856

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Impact

Inhibit System Recovery

2
T1490

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1600-54-0x0000000075471000-0x0000000075473000-memory.dmp
    Filesize

    8KB