Overview

overview

10

Static

static

3

0706c9d841...a2.exe

windows7-x64

10

0706c9d841...a2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09-03-2024 02:57

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General

  • Target

    0706c9d8413a6ffb7dc68d6a69a9ced942ad2e9f3318a2cf2e535d44661b52a2.exe

  • Size

    346KB

  • MD5

    7842ecaa959d7d0779580ceda3e1cb0a

  • SHA1

    ce1f9d2d5ba044666c00b3debf3bb1a1834e621a

  • SHA256

    0706c9d8413a6ffb7dc68d6a69a9ced942ad2e9f3318a2cf2e535d44661b52a2

  • SHA512

    63f9cd40055ada60ae0d15bf7bb871c9c2b9aa51133c55d3856d3711a59aabd4a4d61741a2d55d6fbc488b5acd027578dd66dfeb726a5bee93f25720461426c8

  • SSDEEP

    6144:+YH3q/WyWn8IuzQM0fXrEyv6skuLoh6dpWf9P0:V3gWrvT36sBLoE

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\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: 433D9982B362AF0AB7CEE9CC 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 (2649) 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\0706c9d8413a6ffb7dc68d6a69a9ced942ad2e9f3318a2cf2e535d44661b52a2.exe
    "C:\Users\Admin\AppData\Local\Temp\0706c9d8413a6ffb7dc68d6a69a9ced942ad2e9f3318a2cf2e535d44661b52a2.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:2952
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3048
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2528
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    b2881806937d817570c50186339e882a

    SHA1

    119cea54261b5bff015d5ded5a13ea74034b181f

    SHA256

    5e83ae9f2359c25c00567eafb28a71a3a973a83040adbfeb8cb47e24e4ab7975

    SHA512

    6ee829b08a56273d300701fc762d722336307a625f01742e2b59e8331343cbc86be86facf7a193b3b7cfe2fbb92cd44cf069fce0893937264b3248beab9c68ec

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