Overview

overview

10

Static

static

3

27cb0148d1...ce.exe

windows7-x64

10

27cb0148d1...ce.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2024 22:05

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General

  • Target

    27cb0148d10ca5cbdf7a54b9689831287708f1b5fc028630f6a0e77bb8978dce.exe

  • Size

    343KB

  • MD5

    7896e9a5c4e646044244af0cfa718498

  • SHA1

    baa73f8d2c737b795cd0f25bad6e686bc8209abe

  • SHA256

    27cb0148d10ca5cbdf7a54b9689831287708f1b5fc028630f6a0e77bb8978dce

  • SHA512

    90208a411ff5e1f20560c1b1dc53720a0afd7cc8cc521d205b922fbd828bb82e9e7a9137c6593d5f17f533a3d08a32a21308481603e74da46186f4fab45de63a

  • SSDEEP

    3072:Vn078lpk25rohgDsMQGqKc7vVwZ2rgGgsSdzKrcDi8Ks7M/ubACeLuwrDY7mndz/:Vn076pwlR/dwUqXdurwiBfubs57x7V9

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: DDDC392895E1D80EEF469E68 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 (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\27cb0148d10ca5cbdf7a54b9689831287708f1b5fc028630f6a0e77bb8978dce.exe
    "C:\Users\Admin\AppData\Local\Temp\27cb0148d10ca5cbdf7a54b9689831287708f1b5fc028630f6a0e77bb8978dce.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:2972
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2356
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2740
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2208
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    6aa1780caab097bd41c7eff8ec5d65b1

    SHA1

    0fdbf6a4d19c539b1354b4cd3f9a62a449c551d6

    SHA256

    23d5ce9eb18f556a2547e174e49f92edd7122f95c105cb0ad89a8e47dc97aa23

    SHA512

    9e17098628e93caa8cf79c17be021ca464255cf96d0d3c3b45222c0490f5938188dd22283004e8888b55b2e33e894d822fc52f5fea4139137b0ec0f9ddf30dd6

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