Overview

overview

10

Static

static

3

9eeff9d34d...cf.exe

windows7-x64

10

9eeff9d34d...cf.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2024 15:11

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General

  • Target

    9eeff9d34d3c5144dddf9cb876eb3121881399a04217a9b71c0d0ebc0703dccf.exe

  • Size

    337KB

  • MD5

    3cba4fcf73bdda143d7e9b9bf894a379

  • SHA1

    132eab0a8c1a571c605e4642a6d1303242a6979c

  • SHA256

    9eeff9d34d3c5144dddf9cb876eb3121881399a04217a9b71c0d0ebc0703dccf

  • SHA512

    b0d63586463afd1e83d4007c4f9c0083411c8c663179ed9dbe8253b11f2228877567eb46f8a7683b8341c4d50fcfffa9c58a24982527480177b349fa7194c0cb

  • SSDEEP

    6144:f0UEeLo+tRGwFfdhi/G45TDjwCZpwCc4O9dbh:ceLo+tRnFfz941ECTwCcNh

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

\Device\HarddiskVolume1\HOW TO BACK FILES.txt

Family

targetcompany

Ransom Note
Hello Your files are encrypted and can not be used We have downloaded your confidential data and are ready to publish it on our blog 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: 681EBB839F2B46FF258355F1 5) You will see payment information and we can make free test decryption here 6)After payment, you will receive a tool for decrypting files, and we will delete the data that was taken from you 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 (2663) 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 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\9eeff9d34d3c5144dddf9cb876eb3121881399a04217a9b71c0d0ebc0703dccf.exe
    "C:\Users\Admin\AppData\Local\Temp\9eeff9d34d3c5144dddf9cb876eb3121881399a04217a9b71c0d0ebc0703dccf.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:2044
    • 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:2608
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Device\HarddiskVolume1\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    cbc74bb235ae6f84bab9b62dde9b0a57

    SHA1

    12b8b463a95317ba8ab60c843112ca8ee44be1f0

    SHA256

    a0634bcbf2a08b2d9ecb4b7782e760d1c779fdbf253e58edcae3e98aacfc740c

    SHA512

    477da1ca99605ae1f310f9a02ee3405a5a75637d39be522aefdb48abee71d29bb4baa07dc147f8c28feea694ad603530ae4869523f19021ae233685541dd0c63

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