Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 18:47

General

  • Target
    2026-11-02_ef4c4cae9123f7bcc9c3b5a830256e71_elex_gandcrab_karagany_maze_rhadamanthys.exe
  • Size 139KB
  • Sample261102-xe74faex7p
  • SHA256 572586f09e11e3078e60647fb4663b965f18f14cd29b008feb23fc288466b1a2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\HRUYNEQ-DECRYPT.txt

Ransom Note
  • ---= GANDCRAB V5.0.4 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .HRUYNEQ The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/74ac53357a7cb952 | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- lAQAAIvMyWjTaEBv3IT2rr43esjNWRqE3nVy8f01f3Z4Ec2L4WXX1gl/ZBB7ju5PYKtfd9AiHoIjUu2B4TQqy556j2gy9fs8qNJ4AKpnZ1tbsDP+53kfH/JohoEFtGP0ZJb+N2XJZd2FtWGMHPsC65+FDLSkwTv+C0Y77845/9FIDWrdk5Qf+gK7w230s0ppyuwUsdTRC1rKxbnvX613fJlg4K8q++unOfmDpm0ASvpup9u9dbwgIwa0ME5GCFQJry/WD28FOBF3GvKSSOqDEyQEeUbxxqpA1soP2i0IEAUdaUDzDnsJiLmpb+VuR4R4EchkYxcuDHclwbNuHUCtKZE/GZldFMGEyuv9vXs1fdQ76HqNgFEWLI5FGVpk5Qc3fKuDl4C+KF8ylqZIE7e2DBlqkcPZ89NGgGQDQRnV92BTEfMhggyH4YyRWqhIRzdEkVHJfD6hLEqxmwbPOIgKkI3uNAwDiEzS1Le3Qnk6LFkdWFxo8CIREFUewDA0FaB4Py/ZVTG6U0Xy83f66xEpJnilLySd45mhPLry1E+q6aEOXZxe7s9jONIdI9oEy+q0Bx+fnGfTa8CCHxayCdzqu+QSnItke8UMFTmhbf7WC9rILxjmko5SDRttG064OEiESnNdecI4idiKh0p3T0/b7EsHHSS+ZfcA+Qm2zjX2YJR9PeAHWOwtkbRuDusbBFSIkl1s9o/d6SZOTWVLGghtus9HyTqxVb5V296fFy5UkDqZ4damp1AFBIp/ncxsOagUtoveRrQqfog40m1z+MZJNfoNQCq9hEoAoAgG+NxM+HVoNiC1YfZ78ylaf6BBhXPoRlO8JmZcs0zxWOAlh8Um0Q0ScOE2uwD/+6lcCk2t3VvnbART0LfwHSPI8q4zWitQUJICxmIN50LsuNIfYjWzAEp+HsO0mYjncRA6h1UwQOOe2XNF76189nLGuUwgzGzr9opJLyJRP1KKOZD7MezmjAUzs1ZpvtDVT+yMv4efvqteOAuI6sbo6qrly2GKpmnO3g4TbFvCaTqngX+Usm/Z3ZaaqhgaD5wV+qOFYRiTsWmahdu4QIWhhT8EVoRvETXB1SO7qBjqAqtIHqswmiyqKWxReKiE33LB9OYgp39RpqCqJU243MykRCzwgp5rwdvqepkJDKrnfMmHhST2ht6vbonJRgTWOYwcWzuq1ub9vACSSJRSJwBtaVO5GukJTIDWZqLZlXQpsAuxu0yTjde36+hrP4lA420KO3uCAxjzvkrqLBX9zYw+fpsoo40jszHYf+DFwfAO0cz3L8W+1FNCClbdGyyzwU0sZBG456Iilzq/ynxoq7KfOAYnprugZ76RXp4sAyEiuf4nrJJRdnyJCzOpag554VFOph1pz7jjLDlHdSe8BQWTZ0WfW+67eziftsEuDL3hdStfMoG85xlNkjAhgpvrESJjNit5twZ7XrFgId31LYu2RlFx4oqw3U/DGQK/SbCJpXY9tMBtmoRhta5zIHxr1efwS+B2qcIGfzxFRT4sikkULXuVzwMdmT+9S9RnLPJJFbtZpxY34AeQArUspDg0iOjxlpRLSillV6fAIvWSKqRaooz/8l0x+dXIlEPpTLSCe0DEd8wmKBupEtULnvFx83ibLyeJW+QsP0i8nPN2UhONaxR/64rahc+pnu7xs5hgOkuZ9LKJIoDj9gpHTTiuWoN+OVDXU1n1a4+xjPrS3HmcDVF4bwEEpfKAXg7U+5IgyVVD2f+A9KaH44Px1Ai2Hj29iXmgcEWKVXQud2bUzk2bExZnglsJJI1/oEcoTwTVqX45SWqitrf+qZSAmILGUNTUzwvgLKd2ZyBr/Ck5HbZ4WA66YyP+L1KhDTaysYOJv49XN2AvX191ZUNpTskGGp7K/LBDLKb6A4ai5XIiyyIauofSAvkTNWFuK0TYj6UJ5SmxoNIig6YjHzYLk5SjMrtLUnOeqRAgk4sElKMiHbgk5cBO2igNs/UAtc1p8Uby25DJt3+0Xo+HjU37un5utrWldnC1Rg2zAcfNQ5Y1RCgRu1XDuAjobakQ+a9eAdq4iJnBUlL0rddJO8awrGSf+bGIGvuBJ8aaeBGIDe+8u3FSq1xfmqC44w4BY5Ri303EsN1uZh4Paula6oZuYqecYx9we3KoftVhoOFFnMjQkqVw0cA7kLjBjQ1U8VDheaXvsLd3j+FzzvL5SNSfByMi06IrA2Tt4/ndoIGXWw21w6zd1Nr1/5Onycek4fKQnFd2I4Y= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs
  • http://gandcrabmfe6mnef.onion/74ac53357a7cb952

Signatures

  • Family: Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (707) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 23 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 1 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\2026-11-02_ef4c4cae9123f7bcc9c3b5a830256e71_elex_gandcrab_karagany_maze_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-02_ef4c4cae9123f7bcc9c3b5a830256e71_elex_gandcrab_karagany_maze_rhadamanthys.exe"
    1⤵
    • Checks computer location settings
    • Creates a file in the Startup directory
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5144
    • C:\Windows\SysWOW64\wbem\wmic.exe
      "C:\Windows\system32\wbem\wmic.exe" shadowcopy delete
      2⤵
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3740
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5448

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AssertSave.zip

        • Path C:\Users\Admin\Downloads\AssertSave.zip
        • Size 347KB
        • SHA256 a57e8c4006d14afc34465a0179cbc6a09f8197d559ee7e8367cc8649ac7e2a3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BlockStep.ini

        • Path C:\Users\Admin\Downloads\BlockStep.ini
        • Size 131KB
        • SHA256 58245b9e38836dcd75e0042ed5067e5a8f9baf2bed1d331b28006af9a8b83454
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HRUYNEQ-DECRYPT.txt

        • Path C:\Users\Admin\Downloads\HRUYNEQ-DECRYPT.txt
        • Size 8KB
        • SHA256 fc9c3be16ee6ee37055b607f50af214274e9d47099d6bf410140de3e685bee38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HRUYNEQ-DECRYPT.txt

        • Path C:\Users\HRUYNEQ-DECRYPT.txt
        • Size 8KB
        • SHA256 fc9c3be16ee6ee37055b607f50af214274e9d47099d6bf410140de3e685bee38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5144-0-0x00000000006E5000-0x00000000006E6000-memory.dmp