Overview

overview

10

Static

static

BABUK.exe

windows7_x64

10

BABUK.exe

windows10_x64

10

Resubmissions

10-03-2021 22:42

210310-6calh615fj 10

10-03-2021 22:38

210310-7j33lwf7tx 10

22-01-2021 00:08

210122-dcvdsabdme 10

Analysis

  • max time kernel
    35s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-01-2021 00:08

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General

  • Target

    BABUK.exe

  • Size

    38KB

  • MD5

    be76ed428523b9aefe706aeaa72bb6b2

  • SHA1

    b040f2bdee3999aad415396f9f79e43b2aa9452b

  • SHA256

    afcf265a1dcd9eab5aab270d48aa561e4ddeb71c05e32c857d3b809bb64c0430

  • SHA512

    d08870197e1234a8e7115fc8bc0a868841054a0f6d3153a9ad77dad1bb077da3c2af3bdeebf53c6304943a3169ef5ae4fde16ce0e45a421e9afc2b4041a07c5b

Score
10/10
ransomware

Malware Config

Extracted

Path

C:\Boot\bg-BG\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

  • 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.

    ransomware
  • 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 284 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\BABUK.exe
    "C:\Users\Admin\AppData\Local\Temp\BABUK.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:204
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:272
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:804
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3808
  • 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:1708

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2
T1107

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

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Downloads

  • memory/204-5-0x0000000000000000-mapping.dmp
    Download
  • memory/272-6-0x0000000000000000-mapping.dmp
    Download
  • memory/616-3-0x0000000003480000-0x0000000003481000-memory.dmp
    Filesize

    4KB

    Download
  • memory/616-2-0x0000000002C80000-0x0000000002C81000-memory.dmp
    Filesize

    4KB

    Download
  • memory/804-7-0x0000000000000000-mapping.dmp
    Download
  • memory/808-4-0x0000000000000000-mapping.dmp
    Download