Overview

overview

10

Static

static

3

c986532152...5b.exe

windows7-x64

10

c986532152...5b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 10:57

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    c986532152417919b91d20a368792112341c7c6ecc655c02c9abf31252b0a15b.exe

  • Size

    377KB

  • MD5

    945b3f394de434f6d79d2236394f18a8

  • SHA1

    08814031f71e4dfbcd756a7407986a58e39edc25

  • SHA256

    c986532152417919b91d20a368792112341c7c6ecc655c02c9abf31252b0a15b

  • SHA512

    fb4d26509e80dc62052978e6a49528b0417533e2f05f76151682a6128f863a8e2236c42160633fa6d107b896b2cadf96b335f0164965f73fb29edacb389c6856

  • SSDEEP

    6144:j0FJIYZZlyIsw6neZ1N4oyvTZLHgvxiak8+pkTdj6wYY:wd3lySzvN4oyvTZEJiZ8okxb9

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\HOW TO BACK FILES.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used To return your files in work condition you need decryption tool Follow the instructions to decrypt all your data Do not try to change or restore files yourself, this will break them If you want, on our site you can decrypt one file for free. Free test decryption allowed only for not valuable file with size less than 3MB How to get decryption tool: 1) Download and install TOR browser by this link: https://www.torproject.org/download/ 2) If TOR blocked in your country and you can't access to the link then use any VPN software 3) Run TOR browser and open the site: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin 4) Copy your private ID in the input field. Your Private key: 2C6ABBC7BB2F4DB6306DF07A 5) You will see payment information and we can make free test decryption here Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion If you are unable to contact us through the site, then you can email us: [email protected] Waiting for a response via mail can be several days. Do not use it if you have not tried contacting through the site.�
URLs

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin

http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion

Signatures

  • TargetCompany,Mallox

    TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.

    ransomwaretargetcompany
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (7233) files with added filename extension

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

    ransomware
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\c986532152417919b91d20a368792112341c7c6ecc655c02c9abf31252b0a15b.exe
    "C:\Users\Admin\AppData\Local\Temp\c986532152417919b91d20a368792112341c7c6ecc655c02c9abf31252b0a15b.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2372
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2680
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    393dd9095d1fd4b6b4faf4c6926b079a

    SHA1

    b09d1db4f61442a0a6c5e96550072e00b24d1fde

    SHA256

    9cd71cd78f2a7ab38eb99b9c78034779a1c0db0bcf9fe27d17778429b9c371bf

    SHA512

    dcea0c2b25db0d3a09a503c742234efe288cc2d8533a4302ae843fd36a4f879c211d55dfb1d42e5ec4095e5bd237a708006a3d874e9485186cb9d5c4722aed80

    Download Submit