Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    23-07-2024 14:28

General

  • Target

    dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990.exe

  • Size

    2.2MB

  • MD5

    f02a03c07751001b9d3517fcbdf451f6

  • SHA1

    0e79f20134f733b680a69ebf94a850a515d2339d

  • SHA256

    dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990

  • SHA512

    a45c320e5db711a42560f29179c6716eb33e37cb1328d8cd5612b1a28bee89a8c5af50ccc091d5fb2c0c0473c03c3c8fffa1af9171871fad8ab10627e404935d

  • SSDEEP

    49152:WwwzdHSlpNLyRWCdZIbm3h9Y+TA0BZFgBGiwAEB8Z1QK5lsDyYuZ:WwMH+p9yRhEax9Jc0BTgBGLTmZKK56yz

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\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: 9FDDF879892C918BF986A456 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.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Renames multiple (7228) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 26 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990.exe
    "C:\Users\Admin\AppData\Local\Temp\dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990.exe
      "C:\Users\Admin\AppData\Local\Temp\dbb4576462391691d879bc2a9977feacd00285364de49b013333d1969b158990.exe"
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1252
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1628
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2328
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2364 -s 792
      2⤵
        PID:1904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\HOW TO BACK FILES.txt

      Filesize

      1KB

      MD5

      fd758bc8ac7a4c1de623a887327a9d6d

      SHA1

      e641877d33c07cf8e9285b6d5312ca3ba9869a62

      SHA256

      21cce0a341fdf1cf5bf80040c063dc5e2babce76cdd151782ab1d16af5da9363

      SHA512

      2d1e4914ad817da4cdbd1679802b702650d965e3b284166d4dc5f67a7a01f2835f4491b43c94df845ce1e777487f699638858488270c83c65471ceeb5b0a3648

    • memory/1252-4902-0x0000000140000000-0x0000000140083000-memory.dmp

      Filesize

      524KB

    • memory/1252-23547-0x0000000140000000-0x0000000140083000-memory.dmp

      Filesize

      524KB

    • memory/2364-40-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-11003-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-12-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-18-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-24-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-30-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-48-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-58-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-66-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-69-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-67-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-64-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-62-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-60-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-56-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-54-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-38-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-50-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-46-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-44-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-42-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

      Filesize

      4KB

    • memory/2364-34-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-6-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-52-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-32-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-28-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-26-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-22-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-20-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-16-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-14-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-10-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-8-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-4-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-5-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-4880-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

      Filesize

      4KB

    • memory/2364-4881-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-4882-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-4884-0x0000000000B60000-0x0000000000BAC000-memory.dmp

      Filesize

      304KB

    • memory/2364-4883-0x000000001B990000-0x000000001BA24000-memory.dmp

      Filesize

      592KB

    • memory/2364-4885-0x000000001AE10000-0x000000001AE64000-memory.dmp

      Filesize

      336KB

    • memory/2364-3-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2364-2-0x000000001C9B0000-0x000000001CC08000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-36-0x000000001C9B0000-0x000000001CC02000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-1-0x0000000000BC0000-0x0000000000DF0000-memory.dmp

      Filesize

      2.2MB