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Overview

overview

10

Static

static

3

d7fa39f2cc...9f.exe

windows7-x64

10

d7fa39f2cc...9f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2024, 11:29

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General

  • Target

    d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.exe

  • Size

    6.5MB

  • MD5

    151ae5f5eb71b7ab25a9c13803a86eaa

  • SHA1

    ebb0d17e6ef2186e300a4fc19b473f8a7e34cd80

  • SHA256

    d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f

  • SHA512

    ce73cc13059491f720535f9f65f476e0b1a9e9f67cb8666ba98f72eaea656fa52c25fa44e2c4f70aa495ad9de7650c3d40fa1f3c50ae842427f98f5c1f2298ff

  • SSDEEP

    49152:fgUTQPyrmS1unws84+MguWuMa7lPlKkqfukf5dOFvmGWbqmLA8vz3OrzoqvMy4iC:5vJaBq35dUWFL33OrzoqvM

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

C:\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: 0BE4216334B31FD08C92B654 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
  • Targetcompany family
    targetcompany
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Renames multiple (7228) 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\d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.exe
    "C:\Users\Admin\AppData\Local\Temp\d7fa39f2cccc49479ac18fb0d014be8e98c7b732572d3a1126ce234364fc7c9f.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:2268
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2704
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HOW TO BACK FILES.txt
    Filesize

    1KB

    MD5

    f2806c8fc51377a2d3d558c03c15ffc6

    SHA1

    4377b0594aad0acc35e628ae8476c9bd275bfc7b

    SHA256

    396481264e75a93257fc5cf299cc097c857215ff2f4bf8d70be21a12dd8443d9

    SHA512

    e63053517b9cf6bed6c9c9bb6ee89985637fa48e9671c56a0ddf7b21f6d7206e678be3fcd7412f1c5a1436da333e8d77ebe52042d835def68c2e42300eff523a

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