General

  • Target

    b2936d7135282236bbafd816a31892ca254d768ac69fda4d25f1ce69d4948919

  • Size

    139KB

  • Sample

    220128-xhg2esagfm

  • MD5

    73f0eed8c39217c35f56386f52b29980

  • SHA1

    1dfcfed25caeb5d3c5b53a3da6450495f56c8ce8

  • SHA256

    b2936d7135282236bbafd816a31892ca254d768ac69fda4d25f1ce69d4948919

  • SHA512

    09b2a8a66c49f19ef9c22bd48a6fe19e144393e717f823f33b281c5e410c247306f69cff9aaae9bcac81268e3c979c0c3a9270c2fa6ecfaf41c0829b0b7dcefe

Malware Config

Extracted

Path

C:\GBVFLK-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: .GBVFLK 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/2487bfeba9ed8777 | 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--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- wfKD6iudumBkmpL8IRr4U4exEVaoOXLtwDwmOrT1y1YWvOiWMx5GYaRdvZZGToRRtXYY7nBWqLfMTHCHhh5qBJzzs9MC7736UkGSDDniUJJG8/LFF//kmGmoAZAGLo2j5/wd2UrxMJK+iqKhTkS3ArgAxrZOOOiXrbnhbWMkLHQnbYuWlMClYZxYU6SDxpopRo5r292AV1KIZBZV4APBuUHcKSIr2MWMI0O1MKIP2IpKLE2TS5wLmpQodXZhP6M/UPrO1sZzkDbgjYlAG3g8l65nVd0/CBUxKQ7KDJYrtX0vSmnFXg/ykfgtJNiwqfCnqbr85+Bi4bF2kUDB5+L2/zA2ROt0GopYZVrWBnPtpRHREd4bpicE4oG4b6a1Y8ZyGoyp2Q2iuJRzTRoqGlPQJIAJpJFswNcoAhPJnK0+Ce5dALefhGEwg7NrKg3sxA1KwA7+Zi7pDRFO3vXLNeap1wYZJ3RPRgGKcTnQ1lXgdH8bmQvf3SygQSZnxLJ6lsKw7HIMVYvpajeyfEEcPsAgPy9N3X8IQ3zC3qZcEuPtMkisBZ9MPJGmHt4OJb+RRYcPqYktV/LuurOUzA== ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/2487bfeba9ed8777

Extracted

Path

C:\GOGYCKVI-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: .GOGYCKVI 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/cbbbd2440cd4e42 | 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--- lAQAAGiZV/K2hQTcDhPtqXVu+zCPU4z+RShPd5Ok+dUznhN0LfRRxVZooK8c1b6xrQzFWTdCpBMfNN6EDi2mdI9Kw0SkQHr0FgZhhsfEOouBMPAQAg/lUVkIlCthRcq7nNZgZXuE97l1oTQus1H895twrPrBzk9Hq0pCm48U+JGsPJHmSNLCxFrxn/zvzOparSgXX7/LUYfYHKq/21Ksf6TBuXacNuxXc6zjNLFiMefM65u0uKF8Q4YNOwLS0yteBIl5ZwnelCtQGBZjk5bAvr2yX8gM27kbMMvmpKzkWJZvMy7hGScu/tG3nhO3yMQD73pl0lzkkSy5ycAg3BRLdA+M2QMtQtPTv0VGtUD3hn6f6zXdAYUKEEzkcbwEOoWEkXlAsjMY8BUMf4/RGimXpba0AypaTSPxfwNgioYYL2vE9xDudgpedKImGWTzcbljGhlHnffsvTHUm8T8rweF/MY/PukEui3pQWOsGuauwiACfuHprFhtZPj36ZwygYQxyOMSmk00/ilg/WlXmLC5yXb6c7l6pe2o35nQaHSV6Ud9bWVD39comXkIvJUj47+jWAXcc23btrRa4qcurvNIUG3c+unNSRE1n0JA0x0LqXu35BRjuPVfEgl0cvsNppjUBCLRJhcptsYn0PGzA3/XdvMnoHTG4gALAb1j/lmX4flQej8crekx2/0c8k9uVnfJDidmVTaxgwG/mBnX1jEIVv/eFRTHz9DhuxU2ZOoxWVk5eAB12kqR57d9x1ssXdG1zGJuldi4pZI3DzFwledm8eX789PWKj0cf8F2tbxuxHnPosxSPk/QIsqPK7TdAtxexqXZ3WdsBu8uxLtuiJufzUsL2morm5EqjbOjrPGuH0E3RtCTWBaeUEuDW8DZyZtcrpydD7tJGjAC5d97YrK2shQY/S3YL7M3E8WQW9vzF4GAgdAB2ImqqAg+stRFge4h9S8zTqmDVKoUdwv7mLMGh0pQ667LGzXs+Xp4wi36qQsYlcJZHV0TpPIIG8mLjzZq95qfpbYNUxMdm7cZAiwJRTJyV9mOP9CRgw0MmIPrW9ga9lzVDPmhhK0VDD9O32onna9PjNQ1CMYlf9I8ndyqC11rFiNCYyCSq9HGPsGWX7brDrudhvXMvFjpjGecCKLP6ri2YB7mqZmyN86T+0v2PAYuF9SO59Rpd5EDCzRwy/NwkOAf3Rx1A9MyPGDylC3DvGz0X9/cv+MGM9jA/hR3VWP4sMAex/Lxmq3xPyH79GUhqzfJIZmbKsN2O2BmoMOyEBWa9xwOLcjnqn+CJBQqvWp5rcfeH91FNKeDyGW6NBV7WEIgJiiXAKoNLucHSbk9Mnp56gniK2ixGWR0Kf+GePmuhyR2n0dLMXJYWazkoovKu5/t/6zUUpmYys4Rl2IpvLPhrFvzZQHft/2KF2v/VZ1vok2cASg1E76Gn8SGec2NydOtsyJ6no4RTMhR+v+hewpeWGKY/fR+/eon65w612QsSIQqnfo/3PZ2GvUhdTu/PsNNx4NcYHAf6M9ucgmomCa/HQU3vtwyWOxMuLNw0tEjq1HZjbXtDFoe8HPjrMHkkrOK4A4fZTRxagxZ6jqTrZdQVYS5ZhnERiES6p4mW8CwSeuYu0N7TuUu1KBsrBiZWKhSlCB/HIHf/ElwrgQLYfa7cuFfrop+Z0yT+79WWyuCAZYJ217GKgf56pqss9Jvk2KkSeqjuI/tqzhjvCxJ3tjJHEJvnRr/Ei0fGl3ghnWYQQyoqTSKYEaV3q8fVcMh50L/baNBPyuD4UNKv6HfuKy7fxRQO7DKj6imZB7k8ZyMei27zmS9p/0lmqxYmPENJm7rzNgwplCwsn+cGCdV7j+Wc5PZcECefC01nT1A2hCaGFrrduPVBkOCTomXQTDW6Z/PUhUTxSTUT6vusmRoChRgXAukG/7Xh6boMv+i5AjkSobvXCKGJG2ejlHb7hF+NSCbsKx3kTwR/KOSC7mHJmCNWfJEsy2mFmQKKfVh6ZkZLAyNPpvCdLha4e+1sWCXV3zoQv6GiqL3PPNzINMVOoCDxsjx0sPviRtGbJoyHNH8Kfqo1Byig1F5gKQwlcMhu31fO8kFU0GtMAduycOrOIXOMK9Kwl3LncRdvJYeRobHXBFaG7NtOudi7I7p/KIix8qV3qt3RrW2AsSd2YRKSJw5VBQF5E3T5TtWv7eva9zOs58pWFAhhbvpZy9BkxSNS5GNC9hOXRsrBqkOsm2HNHLJg5Fgz4I= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/cbbbd2440cd4e42

Targets

    • Target

      b2936d7135282236bbafd816a31892ca254d768ac69fda4d25f1ce69d4948919

    • Size

      139KB

    • MD5

      73f0eed8c39217c35f56386f52b29980

    • SHA1

      1dfcfed25caeb5d3c5b53a3da6450495f56c8ce8

    • SHA256

      b2936d7135282236bbafd816a31892ca254d768ac69fda4d25f1ce69d4948919

    • SHA512

      09b2a8a66c49f19ef9c22bd48a6fe19e144393e717f823f33b281c5e410c247306f69cff9aaae9bcac81268e3c979c0c3a9270c2fa6ecfaf41c0829b0b7dcefe

    • 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

    • Reads user/profile data of web browsers

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

    • 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

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks