General

  • Target

    new.exe

  • Size

    1.1MB

  • Sample

    220626-x3rrcscahk

  • MD5

    d702283d42749f52e768fa9c165cf86c

  • SHA1

    5f4192ff492f378ee68c51d55917833bf4f39ea9

  • SHA256

    e4e1c1cbe9781f631c2339fd392e22f73d6841a75572d1a9410a967478e61507

  • SHA512

    794164422c48c7c916fda2ec6fc9ba03e46acdca2ca698b82e71e202ba9eeae336ce2bdb4b5f08bbd678372f2b96cfe1ed945ea1295355a4ced2996904f9c0ef

Malware Config

Extracted

Path

C:\BSMASUNMGK-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.3 =--- ***********************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 WILL BE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .BSMASUNMGK 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/3e5ddf0538f5e33e | 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--- lAQAAOPVzyn1Xvqo+aAOi8rGjcp9mTfRe1E9jOE7NB9exPv0plHLTOczPpvvPWxaUaD902cxFXlXrndKqYh+8jAkjAB8Vd96HuQlAL3a5SakAxz9ToUGGNS1/tARuJXcxV6R5+UmLgu7uZf8qQwF9hqF3E6VDiwByeStlBgsU8kzhZZClmOn8kivsbid/c3cpFwZxRJTMcctM8EU1zF6BZzhZgWOOcrPfeQIbD+BKHRo9z33pYbn2OnLgXxe6JppK9/fmE9mnMRWbHizqBlRUP8KoX8hV/vUnNd4qpxZ9nU2t1U8RKxmyq0I98DAte/rNSBGYJN0MdUdh945i/yljFNhTww8yCdaUKVgdOIW/sQrk/+BWUhbIzP3jkKz3+lwZ/q/+paNswrEopsxXmzIJ9lfhPOrPMis4BhuatyiQd8QJ2bwuD92dpkDhVGr5TZGWKienJK/HJq3VVcv4wwEu5VvU16r07CmCdS9mxlXdIsXKlJR46eDXvNShc8FOo9FwC60MpFpFiGOiZGTay9gTdxjdxc0IzFLyBQJKZ9STel2Utc3vwRdKl3mLQjdVFYrYAgIXLTWLmK9VvGLyVt+TUrj7gj6wKd0l+zOPcBCUWbsb+KTL5N/ETC76Qa7VzFiRrB2mJQnfAkoJR/gSvG/9+H2aA+aoEjUaxhCTmpcsVfqi2RtwdoVmqf4WtvOjTawe9qIHtELlw78XeC3rYxqXqyBZmID0H/dTE/t5oMBOaPuzwaGiX3LV5O5AhycwtxfBs6yiK/5m+XUWmG2wg8Tdh8xa2BfG68bzTj1z72/3TZabf225mEopDzZa7Ji+gAYSFm+W251WhOORNXdRUfoIjE4Tt+kRDI7MAg/gbeJ166zLsU2vNPy8nGUGsRLj8zg7sp3zFVm+2plI3M0xbrjPDRicVNzqMHQRZsxyuFWVFVQbyk+30bg/83Dy9e2HNwXGDf8USCdqvqIlc6SFwFjMl8yeq8tuikFS6wZu+YFCMCAoYb37JCGsQjwkCy/Kxs06x1ZIA8+QtypjpbC3iZW3wwuSi9znqSGjCjTHuKZFBakWsdGTJ3MK+RPdvmGYOptcGazSGhhJtcyw+F1pNAb1zn4EAmkBq3PhSCnaRiE5SjlF3vaekpT0/PAVIAG4e7N66d58V9V7Av/Ezc8I9W0YDRDmHyrLQ0hFdllgvtKej1eYBW/Ap9SNpzL5JoE1hvC3ftFLsZ2ltglXcAPIsLm3WbRCpO0ZwM6IxR9TFRxtvbCH4TO/d3vbrfHju7tWM5qzyIWKCOSSJpRHTzHpxosHVYDYkaxk3yzFGC91X2WTsR20YJaYh2kQuAtLFKrTPHOILYXA5mfwQmLj3ez67RQb7iLXTDu19mBSV8s13OgR6GVCJCHsIj95ft/s44zyWAAvoot/eGiMptDW9DnVBmW3VEgYiUCRLV9/cLJEXhHy11JfRHGdqKMyxAevqyDeT8AMm1H9Z6ePU/o3UUfhz8MQ5JGxV4J9OB03IlkP5DZf/ZDcRnM8636UZ6MetOtb9HArS8FDldA4/2Cc1GPnHr0e8AVr4bc/S72qzKZ0Tr06ttYQmziQ0xSuCihLyA3mRZU6/rkwb3M7FEE+f7mAEuEUcV/6+W5oVg/0vsBJaiuTrQ1NWeRN/PLPCgd+ivZaZC6ScbFevEeaiMcCjMfwUugo+Cy2cn1CzEx4dP/Xdg/IT6ptDopDw8P6GbiiGDUjQzjjDWBukgdyHEE1uTyUT8pOs4tUxE+ln6Mfkj4QNjN77PHNa13CkAMyMIj2YNpQy6Qkd12q4TJhkeArf47oxUM2YT0GF41AIl9gs1V7cB6kjiLB2xBCv81gHc7DT9X1lJVMOlACnrk8HqnATQlBM6G+wd652FTIAl6T5kB/MV9T9WC3d7WQkQOjfeW/2+nEMQ2JxrtlDVadVnmzZ3FGZLx5tGf8K6ePgV8y+GWH71nc0zC45xlx5ChdPRn3C6pYTGUTAynEH5pX7UVrPVE0iSmasdvUt/9YPjV0M1zugMuWE6eHVE6jAOTRfbaJufsHC2cyjoKU6z1cNd3a33YPkyQuIyfLY1dRoIJqbu4gfGay9c1HXfmYfSsLEMYR2Ip/RL0tBgMtK58w9oVGQHUE4nYTB4o2rtIxgChOpn3noczOfstS8Z+E2CQkvlb+o8WhLC6LjNGX7ExsyTTaPymnp38pnyH60Yc3ckR7YiXGbLNajDDm5AutSMbPD9rtwxp4a9BFwRnnxdM9Jg= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/3e5ddf0538f5e33e

Targets

    • Target

      new.exe

    • Size

      1.1MB

    • MD5

      d702283d42749f52e768fa9c165cf86c

    • SHA1

      5f4192ff492f378ee68c51d55917833bf4f39ea9

    • SHA256

      e4e1c1cbe9781f631c2339fd392e22f73d6841a75572d1a9410a967478e61507

    • SHA512

      794164422c48c7c916fda2ec6fc9ba03e46acdca2ca698b82e71e202ba9eeae336ce2bdb4b5f08bbd678372f2b96cfe1ed945ea1295355a4ced2996904f9c0ef

    • GandCrab Payload

    • Gandcrab

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

    • suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

      suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks