General

  • Target

    2023-04-12_bd3e58a09341d6f40bf9178940ef6603_crysis

  • Size

    92KB

  • Sample

    230413-dg26esgh28

  • MD5

    bd3e58a09341d6f40bf9178940ef6603

  • SHA1

    f613f93fe45dd132e7a7808c4424ee3ea264b5cb

  • SHA256

    abbcff728043498c875932756d21ffde3e4bc5a9681db49eb3d612d57bf0df56

  • SHA512

    6aa4d6b30d5d54a971d2b56b224eaa68f29985ab1557814bcd9465521b82adb478e8be066e154b2004173f845d39c75e446e582e42c4d3a2b8547f0207c316e4

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AWeagaZE/Vbah42oFEln2kHCvT1l7/wlhx4MPx:Qw+asqN5aW/hLQe3B0Hln2kir1ebxvJ

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All FILES ENCRYPTED "RSA1024" All YOUR FILES HAVE BEEN ENCRYPTED!!! IF YOU WANT TO RESTORE THEM, WRITE US TO THE E-MAIL [email protected] IN THE LETTER WRITE YOUR ID, YOUR ID 3FB46A50 IF YOU ARE NOT ANSWERED, WRITE TO EMAIL: [email protected] YOUR SECRET KEY WILL BE STORED ON A SERVER 7 DAYS, AFTER 7 DAYS IT MAY BE OVERWRITTEN BY OTHER KEYS, DON'T PULL TIME, WAITING YOUR EMAIL FREE DECRYPTION FOR PROOF You can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) DECRYPTION PROCESS: When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you: 1. Decryption program. 2. Detailed instruction for decryption. 3. And individual keys for decrypting your files. !WARNING! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All FILES ENCRYPTED "RSA1024" All YOUR FILES HAVE BEEN ENCRYPTED!!! IF YOU WANT TO RESTORE THEM, WRITE US TO THE E-MAIL [email protected] IN THE LETTER WRITE YOUR ID, YOUR ID E6F66309 IF YOU ARE NOT ANSWERED, WRITE TO EMAIL: [email protected] YOUR SECRET KEY WILL BE STORED ON A SERVER 7 DAYS, AFTER 7 DAYS IT MAY BE OVERWRITTEN BY OTHER KEYS, DON'T PULL TIME, WAITING YOUR EMAIL FREE DECRYPTION FOR PROOF You can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) DECRYPTION PROCESS: When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you: 1. Decryption program. 2. Detailed instruction for decryption. 3. And individual keys for decrypting your files. !WARNING! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      2023-04-12_bd3e58a09341d6f40bf9178940ef6603_crysis

    • Size

      92KB

    • MD5

      bd3e58a09341d6f40bf9178940ef6603

    • SHA1

      f613f93fe45dd132e7a7808c4424ee3ea264b5cb

    • SHA256

      abbcff728043498c875932756d21ffde3e4bc5a9681db49eb3d612d57bf0df56

    • SHA512

      6aa4d6b30d5d54a971d2b56b224eaa68f29985ab1557814bcd9465521b82adb478e8be066e154b2004173f845d39c75e446e582e42c4d3a2b8547f0207c316e4

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AWeagaZE/Vbah42oFEln2kHCvT1l7/wlhx4MPx:Qw+asqN5aW/hLQe3B0Hln2kir1ebxvJ

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • 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.

    • Checks computer location settings

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

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks