Analysis

  • max time kernel
    153s
  • max time network
    179s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:25

General

  • Target

    a428048d44c81b233faa9024dc3153f0524bb5dab600c6e847431a69c3fd5ab1.exe

  • Size

    164KB

  • MD5

    6342ac7d66df093a645fc78d96b05d6a

  • SHA1

    d27ec2d1f1ad867a18d6307afcea9c6a8e9535e8

  • SHA256

    a428048d44c81b233faa9024dc3153f0524bb5dab600c6e847431a69c3fd5ab1

  • SHA512

    78fe3b58645301404f14229e45117dc3792afcb45a3fe5f748c367177a267773c2f1adf9aba3e909c5ef19264d8eb581fc0da2f28bd46fdbe9a80609ce573d62

Score
10/10

Malware Config

Extracted

Path

C:\76wijj54-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 76wijj54. 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/BA4BA36A39EA9848 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/BA4BA36A39EA9848 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: 4VVf+PRIAwiEnL48ReGJy02vGA0TFL8Zz0Yg379WAEJfKgN0UgVpB27FT0klTIsz GdgyKHcaoK3Nl/njIOhKcHtUV/2/BvfGZlO94j+BlWcdt05zqLadpHHaXYhhlk8g QSBA04v66Jp0Hpjc0pJg6KFMGa7fV0EG63f64FmTL1s0XaVoWcf39B2dM4KBctyU KcQoYNML8J0+MzZHH+8LdeZb4Rne/WqJY1TsjQu6aEwxKG/WdcPl/IyyWRaAMYkl bN5elL7u1tS80CtzIfxB/qULOY0VVsUGsVTo2PK3k7O4b3qsJ61gq0hjPp2Mlg6n fmhgpHfpL4vPJGTIIgrKbMUY7D0IvkyulJW7fgKeUKosMwWbiGaWnwNRkv6YlhnZ /ZbTKeyJ2gMNl9HvIumh1Z5oaSrzIiZD8Way7wUEqHx/6o5OFECMr7sq8ptJvTUg tYINcZEoG4bGPe1kGSIN9Fkx+TEq1KYuj81jGjFu/mQ2uhj5emmKaQfbbIgouJpd IAgDBcoF+Xzqg1ruzpJ/Ub17xvy9TRTOw5gkCYcyD4sNCGSqt7rmFDb/k9IWnPF8 uc5GTibHscrulR0xH0XPaSLse+1qdqPWcdbI7bpHIMMH9oua97kv4mo8/JEcJw4C hdby3Sygf8fyMdFLwyQYyTkhXNhcYPD4IE7YEqyte5Etzws06y3sb/xwj+Oo4Ia2 O/+Co+a5J0bXcSgJsx6HFgj892bmrCuIMZH2p2iz196jwnHQ7K+4KyV37oKQT//r sy8KRmOC9r/xGVSnSsz74GyANJ5xAayyafxozfS/bHwpO8UQYgpZ8GPZ+dzOJ1Je aZp71K3zwZ4zmOXZ8oen2OdCuWq53095oIcJKp5HUL5XLyKsCSssv5BEiLNv+Ico u+Zdpd4DAHoLFSpdQpj8QutNgrejs9pU9DTKRbX/fF150PbaZ/IiXq/IodcSIAEV luDCGSx85Hn8hQiKBqzI/84KVLoaufs5K0t+6vgap9Vjvzp/t2MtpXXNQQxeWtRi b7rrg7vuByJyKPFtvp1ZFTb/n6w/xNNLfvkYw0SVPUAZZyp8X4d0X5u1cg9i3ahA b9b+R5Y6qHcMH1pWYVP8Cal13amJe2Vv5Qyc/Veii2cUXkhseWz2AWFBcc4= Extension name: 76wijj54 ----------------------------------------------------------------------------------------- !!! 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/BA4BA36A39EA9848

http://decryptor.top/BA4BA36A39EA9848

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 10 IoCs

    Ransomware generally changes the extension on encrypted files.

  • 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 24 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a428048d44c81b233faa9024dc3153f0524bb5dab600c6e847431a69c3fd5ab1.exe
    "C:\Users\Admin\AppData\Local\Temp\a428048d44c81b233faa9024dc3153f0524bb5dab600c6e847431a69c3fd5ab1.exe"
    1⤵
    • Modifies extensions of user files
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2700
    • 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:2772
      • C:\Windows\SysWOW64\vssadmin.exe
        vssadmin.exe Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:756
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2156
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:376

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    File Deletion

    2
    T1107

    Modify Registry

    1
    T1112

    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