General

  • Target

    2024-04-24_1f67a875b46d6cf3b40928dae509de64_crysis_dharma

  • Size

    92KB

  • Sample

    240424-h7whsaff78

  • MD5

    1f67a875b46d6cf3b40928dae509de64

  • SHA1

    66b548d44fd4cb54ccfefac254e9c9c1024bea1b

  • SHA256

    eea54395aa2ff792d0d51ecbad624d74f28f72fcdd3a7610bdf88f8dccb19f2a

  • SHA512

    a07a9ec4914ed209b5736a184aa48859ff978762fa846c61128cc106c8d89c14509765ab1b0154a097821df2226b068010241dd2ffa8e77208e38255e6435e4e

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AiEfgq8u2qf+XfjHPjZZTlrYeKHgZEci7:Qw+asqN5aW/hLRfgM2qcjvjZZmeKp

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 3Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! 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

      2024-04-24_1f67a875b46d6cf3b40928dae509de64_crysis_dharma

    • Size

      92KB

    • MD5

      1f67a875b46d6cf3b40928dae509de64

    • SHA1

      66b548d44fd4cb54ccfefac254e9c9c1024bea1b

    • SHA256

      eea54395aa2ff792d0d51ecbad624d74f28f72fcdd3a7610bdf88f8dccb19f2a

    • SHA512

      a07a9ec4914ed209b5736a184aa48859ff978762fa846c61128cc106c8d89c14509765ab1b0154a097821df2226b068010241dd2ffa8e77208e38255e6435e4e

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AiEfgq8u2qf+XfjHPjZZTlrYeKHgZEci7:Qw+asqN5aW/hLRfgM2qcjvjZZmeKp

    • 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.

    • Renames multiple (324) files with added filename extension

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

    • 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 v15

Tasks