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Overview

overview

10

Static

static

3

8e82636194...24.exe

windows7-x64

10

8e82636194...24.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2024, 14:12

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General

  • Target

    8e826361942a80ad091ebd86b78d5cd66de8e65608a69a6f26b7a9b1ace99a24.exe

  • Size

    337KB

  • MD5

    5ffeb931b50e87b4916efeff6d5dfc5f

  • SHA1

    fffde47659b90a099808f72655ca479c9d808ba2

  • SHA256

    8e826361942a80ad091ebd86b78d5cd66de8e65608a69a6f26b7a9b1ace99a24

  • SHA512

    69303d78fb5072f24493832959b96e3450a5d977324895d4f38ee066b1ab047e58f645689b9937d600c3ec3ceb9eb13efd162bbd0dec1798231a21ffb7e519b7

  • SSDEEP

    6144:Z10d91SHBFBnJwsOE/4tHzhvN3zXPyWYoJulae92:Z7HBFBnOc/4tHddz/yLv

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\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: 2B65FABED57A3605181E08CF 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 (3299) files with added filename extension

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

    ransomware
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e826361942a80ad091ebd86b78d5cd66de8e65608a69a6f26b7a9b1ace99a24.exe
    "C:\Users\Admin\AppData\Local\Temp\8e826361942a80ad091ebd86b78d5cd66de8e65608a69a6f26b7a9b1ace99a24.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:796
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:540
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    e75347c55caff35bad3d03dbb736cc56

    SHA1

    bfbe6165e756ee9cdbed0587ea09dbafebeb5839

    SHA256

    ef4e69e0fb0f6ebc590cf55e2f26740c58c56e467fbcd744c212b261c5800699

    SHA512

    4f958df8c935c499d68f9d4b783316a18fc04793b617c5a782186652fdb4fa20e662c04fb24fd30764086126270a4753431eabf6926375f0977fb61de69ead6c

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  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W8BIYKF7\OFOJYBS4.txt
    Filesize

    12B

    MD5

    8cf4dec152a9d79a3d62202b886eda9b

    SHA1

    0c1b3d3d02c0b655aa3526a58486b84872f18cc2

    SHA256

    c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01

    SHA512

    a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

    Download Submit