Overview

overview

10

Static

static

3

40f0b4adc3...KI.exe

windows7-x64

10

40f0b4adc3...KI.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 21:42

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General

  • Target

    40f0b4adc3cddc29fe86fa3c24234370_NEIKI.exe

  • Size

    478KB

  • MD5

    40f0b4adc3cddc29fe86fa3c24234370

  • SHA1

    d537d88c6ed9486e0393d26b62f1f69c69f28fdb

  • SHA256

    8d14caf2b7facc663a3de45bdc7f150416a3333db99a1b26e73bf5b1e33b3ad3

  • SHA512

    39be9dd3e3972e8a756b8248297664b49f910f3f52748db2dc7736eb74b0d30977b84ae17f5cd3915d75a7dc9445c91172e64535bdff791571cf389440d2577b

  • SSDEEP

    6144:c0wRnIjf/I/e7Vwb1oxST1NSfEwDbVWxxsBht37b8o6XCFYmXGU/nVnIyZH:aee5oxSTfSPVWxxAhtIlXCGmfnVPR

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: 4ADBCE4A8B6F2365457B7F94 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 (7312) 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\40f0b4adc3cddc29fe86fa3c24234370_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\40f0b4adc3cddc29fe86fa3c24234370_NEIKI.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:1992
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2596
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    c81430b98ac85c6ed06e0630d64c45cf

    SHA1

    c7c749e2676eb38f9ce8198ba1d4fef4efe7dfdc

    SHA256

    e614208ecdd17c4c7f1f2af035089a775ece07d1040682ea077d75f21208da91

    SHA512

    20dbb1bb564288f973f2e106411a3ec9e182205b6c599102c98d271bd0053c087fa45ef6c303c0421d5c4e27fcdcac9578cd46f0c8d177a83fb4cbd8e4f7c107

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