Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 17:28

General

  • Target

    Ransom.exe

  • Size

    376KB

  • MD5

    120c6ddfc24274b6e2e3a1ba7dc519ab

  • SHA1

    29936b1aa952a89905bf0f7b7053515fd72d8c5c

  • SHA256

    2289706f678585059502a24283e0f55d56cf477524753c606f64825bba66fca8

  • SHA512

    dd9b2fb6cd5f6f044daa80ef634078849032ebbdbd1d293bb7bcb0270aa8b7360c39addb0826c7a3ddc8714b559bf8828e8e506ac91bcb4702a72f4c8ec4850a

  • SSDEEP

    6144:KFtgKBIxGS/bbWGGJK8PpzR1WpOJOQMeEBwhUg5bBDNPbsP/qrscpyj4CVKSkn:+tgKIxfbbezR1WpOJJMjihU030/qRMra

Malware Config

Extracted

Path

\Device\HarddiskVolume1\HOW TO BACK FILES.txt

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: A748373403191A7B8D3B49EC 5) You will see chat, payment information and we can make free test decryption here Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion �
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.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (6505) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransom.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransom.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
        PID:2472
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        2⤵
          PID:1748
        • C:\Windows\system32\vssadmin.exe
          "C:\Windows\sysnative\vssadmin.exe" delete shadows /all /quiet
          2⤵
          • Interacts with shadow copies
          PID:4452

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\resources.35ca3df1.pri

        Filesize

        80KB

        MD5

        d963e5c98a2639ecdaadb15af9ae71f7

        SHA1

        162b2d851c806703a8ff5376d8f0dfa3f1876ea2

        SHA256

        a87c42adde78d34bbdba5bd0680949b6748f325182179030fe72e6e4ea013a7a

        SHA512

        48564e13d706f63f2a779bf4d1aeda761a30e6604ecbfb6f8f8a6eff7cd619fed11075ae6cc1e502ec1d8a293f1fdf0b8425613329d088d08fe0ecc5dfba442b

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GO42234Z\FCNQQO2R.txt

        Filesize

        14B

        MD5

        1207bc197a1ebd72a77f1a771cad9e52

        SHA1

        8ed121ff66d407150d7390b9276fe690dd213b27

        SHA256

        260658b9cb063d6ce96f681b18704e02fae7bf8fc995fc249ab0be1400983476

        SHA512

        d037cfa3b6e6ced9652b2c781bb54cf48dbaa0aaff05039ae4fd0122749eda472807d4198981aa6ceffeba6d2b23d7ad08d7d96983dbd8539cf6b07e46e157f4

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

        Filesize

        910B

        MD5

        7285736657141a22e1be6de7640f25c2

        SHA1

        98e5362b1bdb88291538c16fcd2df48be1152515

        SHA256

        ab126ee9eda8cf23caf6f503275f96742c29e0c184e6dfd13cc18a08535d7768

        SHA512

        6b237585c9b4bc2ed38d86caac2374aeb386e39db4a1c2d2a8fc5199a20f2536558ced754d4f7dd03c394fd30aa5827382e51150ead2cabb85a0d00afaa7058f