Overview

overview

10

Static

static

3

06c4aa6272...e0.exe

windows7-x64

10

06c4aa6272...e0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    110s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 06:06

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General

  • Target

    06c4aa6272d4a5dd003315bb34eb5eb76f53ee2d9091d2e70a6d532fcae59ae0.exe

  • Size

    342KB

  • MD5

    5eb54f763ebb696186298eb8614d4542

  • SHA1

    e4755573f2d206f6c0196a88b4682a333c1dabc1

  • SHA256

    06c4aa6272d4a5dd003315bb34eb5eb76f53ee2d9091d2e70a6d532fcae59ae0

  • SHA512

    d91bd3a69e767206f28d07b9a8b3308f64422b3ef294db18ed645e547095a892756bb0d7a9f3bf8f0218cb2c102785023a755b60dc2d5b9f1c2d0a32178dc5f4

  • SSDEEP

    6144:40KXnAtFUa1i1w1abt+hhSDBkzv2hzV3Vjff3IbZAN:qnAtFUa1iq6wh8aj2RVZ

Score
10/10
targetcompanyevasionransomware

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: AE3D7AEC44F70105C7DAFEE4 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 (3560) 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\06c4aa6272d4a5dd003315bb34eb5eb76f53ee2d9091d2e70a6d532fcae59ae0.exe
    "C:\Users\Admin\AppData\Local\Temp\06c4aa6272d4a5dd003315bb34eb5eb76f53ee2d9091d2e70a6d532fcae59ae0.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:1380
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3780
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3920
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    e158b33795cf7de168c40dee575b7dc2

    SHA1

    ef5e4a9d0a1ac9577a6a6490777ba53cd5c337bc

    SHA256

    b69f763a3db1820e93f90f9fd2c37292887c1cac6bde521bfcd7b967b61c51e7

    SHA512

    dbec4ed50e82e5367478735e74e347b9de7a640c98476dc3c92de85f8e5816e694f1b82b32a81fa40ed727b22eb089e0708da1d447a2d88f700bb37b7fea07eb

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