Overview

overview

10

Static

static

1b9412ca5e...in.exe

windows7_x64

10

1b9412ca5e...in.exe

windows10_x64

10

Resubmissions

10/03/2021, 22:33

210310-ky3j2j9wm210

19/01/2021, 20:44

210119-vy4d74cvsn10

Analysis

  • max time kernel
    67s
  • max time network
    102s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19/01/2021, 20:44

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General

  • Target
    1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02.bin.exe
  • Size 31KB
  • Sample210119-vy4d74cvsn
  • SHA256 1b9412ca5e9deb29aeaa37be05ae8d0a8a636c12fdff8c17032aa017f6075c02
  • MD5 SHA1 SHA512
Score
10/10
ransomware

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

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 12 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.

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Control Panel 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 278 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:4760
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:516
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4540
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4232
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Modifies Control Panel
    • Suspicious use of SetWindowsHookEx
    PID:2268

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/4760-2-0x00000000028B0000-0x00000000028B1000-memory.dmp
        Download

        memory/4760-3-0x00000000030B0000-0x00000000030B1000-memory.dmp
        Download