Overview

overview

10

Static

static

1b9412ca5e...in.exe

windows7_x64

10

1b9412ca5e...in.exe

windows10_x64

10

Resubmissions

10-03-2021 22:33

210310-ky3j2j9wm2 10

19-01-2021 20:44

210119-vy4d74cvsn 10

Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10-03-2021 22:33

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General

  • Target

    1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.bin.exe

  • Size

    31KB

  • MD5

    e25e078255b56b47897ac96a7842de92

  • SHA1

    21febfb36da69c8a611a9eaee5cc826cfd5684d7

  • SHA256

    1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02

  • SHA512

    6ed5f9144996ad70ab9770ede191420ef12d69dd7833e0ec9064be0ec1959407c5971680e0a4bfc57a709853ea2d78c586a74f56f5d79874a5ab8f8adb45beb1

Score
10/10
babukransomware

Malware Config

Extracted

Path

\??\M:\How To Restore Your Files.txt

Ransom Note
----------- [ Hello, human.de! ] -------------> ****BY BABUK LOCKER**** What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted from your network and copied. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - a universal decoder. This program will restore your entire network. Follow our instructions below and you will recover all your data. If you continue to ignore this for a long time, we will start reporting the hack to mainstream media and posting your data to the dark web. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. What information compromised? ---------------------------------------------- We copied more than 100GB from your internal network, here are some proofs, for additional confirmations, please chat with us In cases of ignoring us, the information will be released to the public. https://i.imgur.com/JZh2aDz.png https://i.imgur.com/iKJ0m63.png https://i.imgur.com/11DdeaB.png https://i.imgur.com/9azjsKv.png https://i.imgur.com/z6ry8kZ.png https://i.imgur.com/tcryLE4.png https://i.imgur.com/jruCjYx.png https://i.imgur.com/vJJQxM1.png How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): http://babukq4e2p4wu4iq.onion/login.php?id=QQDgjfAG8pLYTBufjrVjnBg3iPAnSK !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!
URLs

https://i.imgur.com/JZh2aDz.png

https://i.imgur.com/iKJ0m63.png

https://i.imgur.com/11DdeaB.png

https://i.imgur.com/9azjsKv.png

https://i.imgur.com/z6ry8kZ.png

https://i.imgur.com/tcryLE4.png

https://i.imgur.com/jruCjYx.png

https://i.imgur.com/vJJQxM1.png

http://babukq4e2p4wu4iq.onion/login.php?id=QQDgjfAG8pLYTBufjrVjnBg3iPAnSK

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Drops startup file 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.bin.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3168
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3924
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3264
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1908-2-0x00000000026E0000-0x00000000026E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1908-3-0x0000000002EE0000-0x0000000002EE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2768-4-0x0000000000000000-mapping.dmp

    Download

  • memory/3168-5-0x0000000000000000-mapping.dmp

    Download

  • memory/3916-6-0x0000000000000000-mapping.dmp

    Download

  • memory/3924-7-0x0000000000000000-mapping.dmp

    Download