Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2024 12:22

General

  • Target

    Ransomware Mallox.exe

  • Size

    346KB

  • MD5

    9099859494363864de61fb30d6c201e6

  • SHA1

    90378c5fd151128287c12eea0ea3761833b0ad03

  • SHA256

    06699c98ed2ef759b2434ac5777a2886b966c0ffa1c96c046f5cde77fe833784

  • SHA512

    cae8c4970c6d8891d2da8924e6ba2331242c112ee5eec5823d8e55c29b40822b0f4287b64e5b6b5d71c0aa2cb8b998ac4533e2dd6326af820f29e9e5eadd59ba

  • SSDEEP

    6144:lbjhsyXpHunpQE/T/iSIDexeohXdbVeb:7XpOpplI8eoT

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: 7D6DBAC0D172BE5DEF2DA63D 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.

  • Targetcompany family
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Renames multiple (356) 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware Mallox.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware Mallox.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:5008
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:448
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\S-1-5-21-2437139445-1151884604-3026847218-1000-MergedResources-0.pri

    Filesize

    16KB

    MD5

    b34ba69985108e663421f2501c584231

    SHA1

    e2ea1c1d032a57097cf99c939f3d34d4dbd564a0

    SHA256

    9749d50393c72185af998e42daf90a7c6006bcedf4dbd9e7f3d09d0fc0467b09

    SHA512

    cd6a31ee5af9523b5a72709e09c8d606966753ca4b77ecd01e8e83456b68c6aa04eaa14afdc4c404987f85af1521577b5a39a5404a690cdd1da9a592f9e04f82

  • C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\S-1-5-21-2437139445-1151884604-3026847218-1000-MergedResources-0.pri

    Filesize

    80KB

    MD5

    5274a23cf348574b5b365b1880e09ead

    SHA1

    601d2446544629c829db2fe6826dd795ce2edad8

    SHA256

    d02722532f859e839b0549a7680e810f6890f36a19b4010184c9a4fedb4a52a7

    SHA512

    6c7fea6d5ea723069349ac4ce6f49935a87d2da5dbd5f1136e2ad09315da72a9376a4e9da8c4bbfc3a7ee0dca10fb13c5791dcaa178f755c119fe6e46238b292

  • C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\microsoft.system.package.metadata\resources.e1dabada.pri

    Filesize

    100KB

    MD5

    23272440ef2815a0c71c693c8deb1285

    SHA1

    faca8cef9971f0559d029c9f93e708b57491c842

    SHA256

    6b17356e9c4f34c71702702f8b63aefa770abd8d90d6cf851033324eb1e39dee

    SHA512

    891858d12fe1e6e511b7600dac30c8b8e37c5dfb73a4cc1a0228d4a710881ee58a368e553f828b4566f40446a71583b3c06f72fa80cb32e66e34755a608276fa

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

    Filesize

    1KB

    MD5

    b588a7788be7ab00d0d89b6b5c460ac6

    SHA1

    cad1c989ab63c6800de9096425fa6268fd1e94b2

    SHA256

    64c32d4b81e44d4ac032fbe83ab7697dbdfdb90157cee3af4de2cbdff9234c70

    SHA512

    e7f3f0b9b1bfc42e8ee36f58be87c37c3aa8c27eb22a3d1a7fc79e32896c59c811291937434a43d1c7f3f005453a55c266c93db9d718df5e5a880dd7f1079e61