Analysis

  • max time kernel
    111s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2024, 15:02

General

  • Target

    312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe

  • Size

    465KB

  • MD5

    15634dc79981e7fba25fb8530cedb981

  • SHA1

    a4bdd6cef0ed43a4d08f373edc8e146bb15ca0f9

  • SHA256

    312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83

  • SHA512

    daa63d5a3a948f4416d61eb4bf086f8cc921f24187ffcdb406751cc8102114f826957a249830e28220a3c73e11388706152851106794529541e1e2020d695ece

  • SSDEEP

    12288:HZph8TCfS9dQ1GH4wKcmY8FYkEv+NT5XqU6KDBxE:HZpCTCfS9dQ104wdV8FImT5XqiS

Malware Config

Extracted

Path

C:\ProgramData\readme.txt

Family

dragonforce

Ransom Note
Hello! Your files have been stolen from your network and encrypted with a strong algorithm. We work for money and are not associated with politics. All you need to do is contact us and pay. --- Our communication process: 1. You contact us. 2. We send you a list of files that were stolen. 3. We decrypt 1 file to confirm that our decryptor works. 4. We agree on the amount, which must be paid using BTC. 5. We delete your files, we give you a decryptor. 6. We give you a detailed report on how we compromised your company, and recommendations on how to avoid such situations in the future. --- Client area (use this site to contact us): Link for Tor Browser: http://3pktcrcbmssvrnwe5skburdwe2h3v6ibdnn5kbjqihsg6eu6s6b7ryqd.onion >>> Use this ID: C2856ADC2577466318D1B79126CABA9C to begin the recovery process. * In order to access the site, you will need Tor Browser, you can download it from this link: https://www.torproject.org/ --- Additional contacts: Support Tox: 1C054B722BCBF41A918EF3C485712742088F5C3E81B2FDD91ADEA6BA55F4A856D90A65E99D20 --- Recommendations: DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. --- Important: If you refuse to pay or do not get in touch with us, we start publishing your files. 17/07/2024 00:00 UTC the decryptor will be destroyed and the files will be published on our blog. Blog: http://z3wqggtxft7id3ibr7srivv5gjof5fwg76slewnzwwakjuf3nlhukdid.onion Sincerely, 01000100 01110010 01100001 01100111 01101111 01101110 01000110 01101111 01110010 01100011 01100101
URLs

http://3pktcrcbmssvrnwe5skburdwe2h3v6ibdnn5kbjqihsg6eu6s6b7ryqd.onion

http://z3wqggtxft7id3ibr7srivv5gjof5fwg76slewnzwwakjuf3nlhukdid.onion

Signatures

  • DragonForce

    Ransomware family based on Lockbit that was first observed in November 2023.

  • Dragonforce family
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 22 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe
    "C:\Users\Admin\AppData\Local\Temp\312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe
      "C:\Users\Admin\AppData\Local\Temp\312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe"
      2⤵
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4460
      • C:\Windows\system32\cmd.exe
        cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{438E72CA-0AD1-4205-B4AB-45C1B61F2279}'" delete
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1036
        • C:\Windows\System32\wbem\WMIC.exe
          C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{438E72CA-0AD1-4205-B4AB-45C1B61F2279}'" delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1028
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\readme.txt

    Filesize

    1KB

    MD5

    e51ae21a3a3b7648540d8f9352b95805

    SHA1

    90c167a4760e402e67944b11635539d18077f1a9

    SHA256

    127d8be0ff8a72808a83513dd493d14e1a33ffd4cf5a4e42ade21ddf008cb542

    SHA512

    d33fc9a2f5db1255cc19666b3c4b1be6a262698eacd61ea36294926e5765e8fccc1c2ff4ce9d1b304dbb6f4013432307d82b880de5cf9095ffd0e97ff04cf039

  • C:\Users\Public\log.log

    Filesize

    3KB

    MD5

    a8a07a850773119b710e45ad727d1f52

    SHA1

    e731a50718f65be7e7ffbddb38e285e5aed5ccca

    SHA256

    dcb1907bc9f7313cd04055482f966f9e8e5b1ea1d62bbf19562a8f020abdfa1a

    SHA512

    cece1d133e35dd1628e607fd5f68c7f6814205ebe02983e5fd0223d2bb1904940505633b87351c6d82d1a1e77eeb5c367cb86e8988cf9592fea6c61e068aafe9