Overview

overview

10

Static

static

3

21611a8c76...c2.exe

windows7-x64

10

21611a8c76...c2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 09:11

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General

  • Target

    21611a8c76169a345715cf0d6dbf9e495e71ad235ed11bca5ee38ec281f75fc2.exe

  • Size

    241KB

  • MD5

    5bb957a511d230c271fae129f48f1fdf

  • SHA1

    a72f01cf027c7e385bbfc2488c91db14dadc9fac

  • SHA256

    21611a8c76169a345715cf0d6dbf9e495e71ad235ed11bca5ee38ec281f75fc2

  • SHA512

    5f815534114d0099cd28a5f732d0c6fca59ce535e1b55a42b99d22ca9ebcc921d9430bed9a36e723035326716d8b6f8872f748ed075305a1d4b1933eec92ee23

  • SSDEEP

    6144:fyGt4iW5Mpj4tZx80FYuiHAZ2CLR+D7XnrlAPgT7:f94o4XRFYsZbt+D7nhj

Score
10/10
babukdefense_evasionexecutionimpactransomware

Malware Config

Extracted

Path

C:\Recovery\How To Restore Your Files.txt

Ransom Note
----------- [ Hello, Schauer Agrotronic ] -------------> ****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 50 gb 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. How to contact us? ---------------------------------------------- Using TOR Browser ( https://www.torproject.org/download/ ): http://babukq4e2p4wu4iq.onion/login.php?id=p9gFgBg5TsdcO3mV9mf2RJlJoI0iy1 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!
URLs

http://babukq4e2p4wu4iq.onion/login.php?id=p9gFgBg5TsdcO3mV9mf2RJlJoI0iy1

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (441) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Enumerates connected drives 3 TTPs 23 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).

  • 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 WriteProcessMemory 14 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\21611a8c76169a345715cf0d6dbf9e495e71ad235ed11bca5ee38ec281f75fc2.exe
    "C:\Users\Admin\AppData\Local\Temp\21611a8c76169a345715cf0d6dbf9e495e71ad235ed11bca5ee38ec281f75fc2.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2816
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1556
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Recovery\How To Restore Your Files.txt
    Filesize

    1KB

    MD5

    5abdd19cafcd3e72f92826392669abbf

    SHA1

    4d1b82cb3ea2d38e9a64b9e554ba37076a534836

    SHA256

    2a4bb91546305a2029efcf3c4bd6977e580d3d9824186cafec66199407f6e507

    SHA512

    fb58a7cc5ef990de16f2255c1c5c05066593dc58af3782fc8a2dfd267f73d4437dd8b65f7614d7e94f5fc2475ee058cfb2bbea13f1df835a10e5855d758f7638

    Download Submit

  • memory/2024-0-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2024-1-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2024-4-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2024-3-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2024-2-0x0000000000250000-0x000000000028C000-memory.dmp

    Filesize

    240KB

    Download

  • memory/2024-7-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2024-6-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download

  • memory/2024-5-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2024-253-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2024-252-0x0000000000250000-0x000000000028C000-memory.dmp

    Filesize

    240KB

    Download

  • memory/2024-251-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

    Download