Overview

overview

10

Static

static

3

a6594d9550...b0.exe

windows7-x64

10

a6594d9550...b0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    14-08-2024 02:57

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General

  • Target

    a6594d9550d56ddeaac8b3140821e698eefb7163ba29f0119c2ef19beb6040b0.exe

  • Size

    484KB

  • MD5

    15bcd1b0665214657c87bdbd77f9cdb2

  • SHA1

    131a00e07b72784461c859d75b40dd83bd0eeff3

  • SHA256

    a6594d9550d56ddeaac8b3140821e698eefb7163ba29f0119c2ef19beb6040b0

  • SHA512

    f11fce0a2c27cc1063f61250e6b0a45681107d0e137289e822364034958c4ca10079c60ca668dfc00a1240eca897ae13064c2fe74f50cfec4f734e979a9b5cb9

  • SSDEEP

    6144:T0Kf3dwCiJOp5DzwQTSmKMuYREY4nLy95/YjVD+IyaFV/GCK7IfxB7f:r55QySNaEY4nW9sl+ja3/GCt

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

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

Family

targetcompany

Ransom Note
Hello Your data has been stolen and encrypted We will delete the stolen data and help with the recovery of encrypted files after payment has been made Do not try to change or restore files yourself, this will break them We provide free decryption for any 3 files up to 3MB in size on our website How to contact with us: 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: 2FCBE58DC79EA612FBE2DBA1 5) You will see chat, 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 (7279) 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\a6594d9550d56ddeaac8b3140821e698eefb7163ba29f0119c2ef19beb6040b0.exe
    "C:\Users\Admin\AppData\Local\Temp\a6594d9550d56ddeaac8b3140821e698eefb7163ba29f0119c2ef19beb6040b0.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:3024
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2168
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    1366fcca5e9058b072ce77323bd93b51

    SHA1

    0a980e5f4cd41878dcd415ac55bd42e2b81d2199

    SHA256

    14fe35760efefe4947db6d4cf38f7c979d25e338052f10b9f8918e0af75e4408

    SHA512

    79936dd9ec25d165de2a33c0e0ca0c077c26b1bea2d7cc142d4280de8ee85245326caf4fbc5b258a89ce4dcc189529022b7b38d61a6ec2a6ee81c59608e2477f

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