Overview

overview

10

Static

static

10

2024-06-12...ma.exe

windows7-x64

10

2024-06-12...ma.exe

windows10-2004-x64

10

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General

  • Target

    2024-06-12_413443274c074af176227fea2d42d261_crysis_dharma

  • Size

    92KB

  • Sample

    240612-rx3nsascmj

  • MD5

    413443274c074af176227fea2d42d261

  • SHA1

    cfc6a0ba5b694f7f1d70f9678f61b9fe516750c8

  • SHA256

    f8d52ecc66cf99f352a8a0bdf139ec8484f858de6261eeb0b609441fa496fa75

  • SHA512

    6493e1fd36041ec4030fcb61acb8ea3d9b459bb59ea8b25d81fa0bf263c0040ba307c5c173e95431c37b49e95e6dc8296ff6a5c8f5782094a485ae2f658fed5c

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AIf5whLpIp9udJYXAA4P07c29y5h:ww+asqN5aW/hSIsauOA52Ih

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 142DA65B 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:\ProgramData\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 5B68B59C 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

      2024-06-12_413443274c074af176227fea2d42d261_crysis_dharma

    • Size

      92KB

    • MD5

      413443274c074af176227fea2d42d261

    • SHA1

      cfc6a0ba5b694f7f1d70f9678f61b9fe516750c8

    • SHA256

      f8d52ecc66cf99f352a8a0bdf139ec8484f858de6261eeb0b609441fa496fa75

    • SHA512

      6493e1fd36041ec4030fcb61acb8ea3d9b459bb59ea8b25d81fa0bf263c0040ba307c5c173e95431c37b49e95e6dc8296ff6a5c8f5782094a485ae2f658fed5c

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AIf5whLpIp9udJYXAA4P07c29y5h:ww+asqN5aW/hSIsauOA52Ih

    Score
    10/10
    dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • Dharma

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

      ransomwaredharma

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (311) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks