Analysis

  • max time kernel
    10s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-08-2024 21:12

General

  • Target

    02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b.exe

  • Size

    1.2MB

  • MD5

    20b09317a812739b2e57267af52d9573

  • SHA1

    5b43cc9644295d3e9343f5b85d5a42c3141903e9

  • SHA256

    02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b

  • SHA512

    d7cf58e8147927b6eb54da7949523cffec2740404829d2254fcc509ad7f321af95cfbf029a6dec39d84f429b5f3448af4d0a7e864504a8fec6cdc5fbb67594dd

  • SSDEEP

    24576:pBak8mJasn3oJXg6KcPMYw9ZPa8lD19/MBA8Hmn7x2ID/+HUVg:pMmJ5YJDs39ZZ9/4tmndPoUV

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: F90C58C559DF91F4F6BEA718 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 (182) 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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b.exe
    "C:\Users\Admin\AppData\Local\Temp\02b8b59cb96d956eeb7a9f07b24b8060db178e87bbbef111cd021d608aa6a05b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
      2⤵
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4508
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4660
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} bootstatuspolicy ignoreallfailures
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4736
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4676
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {current} recoveryenabled no
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4728
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4568
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4568 -s 40
        3⤵
          PID:4600

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\HOW TO BACK FILES.txt

      Filesize

      1KB

      MD5

      6e8a4be4e2659d30767a7a051ed09872

      SHA1

      1b97ddeeea07cbc4ca020bb49612b102a7a3363b

      SHA256

      daa66b14baa8e48042052f7d70c5c4a4d7c3e18d2bf92c2810b45520fbb17bb2

      SHA512

      eb73cf3bfa3663ff86355480d09af5bcda4f2f450f79f2be571da276d9138a2f949bfe73c85a244e5b003f1ceba00480721047ef22e1005f5784b9385abaeffe

    • memory/2316-32-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-1-0x0000000000CB0000-0x0000000000DE4000-memory.dmp

      Filesize

      1.2MB

    • memory/2316-3-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2316-4-0x000000001B480000-0x000000001B598000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-5-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-6-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-10-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-14-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-12-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-20-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-26-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-24-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-22-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-18-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-16-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-8-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-68-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-30-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-38-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-50-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-64-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-0-0x000007FEF57E3000-0x000007FEF57E4000-memory.dmp

      Filesize

      4KB

    • memory/2316-62-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-2-0x000000001B180000-0x000000001B296000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-28-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-60-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-58-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-56-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-54-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-52-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-48-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-46-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-44-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-42-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-40-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-36-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-1077-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB

    • memory/2316-34-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-1078-0x0000000000B90000-0x0000000000C22000-memory.dmp

      Filesize

      584KB

    • memory/2316-1079-0x00000000009B0000-0x00000000009FC000-memory.dmp

      Filesize

      304KB

    • memory/2316-1080-0x00000000021F0000-0x0000000002244000-memory.dmp

      Filesize

      336KB

    • memory/2316-66-0x000000001B480000-0x000000001B591000-memory.dmp

      Filesize

      1.1MB

    • memory/2316-1097-0x000007FEF57E0000-0x000007FEF61CC000-memory.dmp

      Filesize

      9.9MB

    • memory/4508-1095-0x0000000140000000-0x0000000140083000-memory.dmp

      Filesize

      524KB

    • memory/4508-6189-0x0000000140000000-0x0000000140083000-memory.dmp

      Filesize

      524KB

    • memory/4568-1096-0x0000000000060000-0x000000000006D000-memory.dmp

      Filesize

      52KB