Overview

overview

10

Static

static

3

daf06fb739...bd.exe

windows7-x64

10

daf06fb739...bd.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    159s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 10:58

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General

  • Target

    daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd.exe

  • Size

    409KB

  • MD5

    76192169b76b556098161d151f051fc4

  • SHA1

    1c394ed5b70e032d05ce3c2214d8da4d5ecebe45

  • SHA256

    daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd

  • SHA512

    5c28d601e7a8c385cd12a5547487cde938a3b662744e619d2d6dfb8e1a9d83cb471929e39f17e0a85f681aa1d93cbdff7699b942aa89e8b9cfeaeec51faaa1ab

  • SSDEEP

    6144:c0LeYyBiqCw5wLzsEtA6We/p14a0q/fJ5RfzCH:KYyB7Cw+MEtA6db4pq/B/C

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: 883DD73E4A89229BDED2419B 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 (2472) 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\daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd.exe
    "C:\Users\Admin\AppData\Local\Temp\daf06fb739587926e4d8f1346e9b8b5a8a4e37d075794239dc38deff199762bd.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:3216
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4464
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    dc835c3061bdbc351076651aaf7c3c6b

    SHA1

    55fcb5fe1fbed716ce48d0fd028d9f0492efa428

    SHA256

    ee6f1a3e12ae2723961e1210911de43847ef98f4544a2c48e1c6c957ba6f2c5a

    SHA512

    55a3bf71b7da0f7e9b9cbcd150c59c7488194d0c0a547aff4e988209df9fd6c83ad388d7e0df7072ed84e7b4890d840ba97ec6ace9f20039d0c582d235cf4081

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