Overview

overview

10

Static

static

3

7c10256d93...3e.exe

windows7-x64

10

7c10256d93...3e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 10:46

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General

  • Target

    7c10256d9358d4cadb96b8160651172b6ac9a4bf898868823f7c76bf33cb823e.exe

  • Size

    478KB

  • MD5

    09b17832fc76dcc50a4bf20bd1343bb8

  • SHA1

    9779aa8eb4c6f9eb809ebf4646867b0ed38c97e1

  • SHA256

    7c10256d9358d4cadb96b8160651172b6ac9a4bf898868823f7c76bf33cb823e

  • SHA512

    79163e48b71ee08f311317441002946c8a1857ea6229a5fb1e0d1b5cccb3aa0cc9d61dde0bf580924846fe0e8f179d48a831c9a0ecc1b675ea4de508d8f2e17c

  • SSDEEP

    6144:90wmbI4/Z4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6mnpxq/y:Czv66zaISTW9asWxxAh4IlXC4PUmLq/

Score
10/10
targetcompanyevasionransomware

Malware Config

Extracted

Path

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

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: 0C2F2036B61AC8C7AD424EED 5) You will see chat, payment information and we can make free test decryption here Our blog of leaked companies: wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion �
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 (7179) 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\7c10256d9358d4cadb96b8160651172b6ac9a4bf898868823f7c76bf33cb823e.exe
    "C:\Users\Admin\AppData\Local\Temp\7c10256d9358d4cadb96b8160651172b6ac9a4bf898868823f7c76bf33cb823e.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:2488
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2544
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {current} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    910B

    MD5

    388c4dc8bfcfada94c2887760ed2e3b2

    SHA1

    72799dbaa5ff68c2a021ffe9e8d21410145ab646

    SHA256

    2d64c48693b1f82c2f7e1ffe15eb01e9fe0a2fba2d96f6d4d0ef6a9b03b13ecf

    SHA512

    6919570847a3c8a82161e3f3ca347c8c04e74cad12ab1a2fa3b61315a48c49d63946dbf43ca6b508721f8666e1fb449c08cdc53a1b0d59cf245a95e1d0a9e170

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