General

  • Target

    2024-06-11_b1f4a96727ebc8159fc8553831d43352_crysis_dharma

  • Size

    92KB

  • Sample

    240611-p24qjaxdmf

  • MD5

    b1f4a96727ebc8159fc8553831d43352

  • SHA1

    83d21bc2771a4cf355697436b6f34df0f27cf361

  • SHA256

    831e7f068e2f4809acaf9e49b9be7da2adcf4d7644b184dbc25e62e8cac17eb0

  • SHA512

    87871b4a8c5e2f421cfc0476ffc7685cc391501a34e98c655abd17ff0f5e95987acd66c1f78f1aa4004a09ff6c62c5fa45e3772834ea8697fe264d1dd34f205e

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AI018vUKEVi9fH8v0iQGxk4:ww+asqN5aW/hSR18gVue/

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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] or): [email protected] YOUR ID [email protected] https://tox.chat/download.html 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 The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_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.
URLs

https://tox.chat/download.html

Targets

    • Target

      2024-06-11_b1f4a96727ebc8159fc8553831d43352_crysis_dharma

    • Size

      92KB

    • MD5

      b1f4a96727ebc8159fc8553831d43352

    • SHA1

      83d21bc2771a4cf355697436b6f34df0f27cf361

    • SHA256

      831e7f068e2f4809acaf9e49b9be7da2adcf4d7644b184dbc25e62e8cac17eb0

    • SHA512

      87871b4a8c5e2f421cfc0476ffc7685cc391501a34e98c655abd17ff0f5e95987acd66c1f78f1aa4004a09ff6c62c5fa45e3772834ea8697fe264d1dd34f205e

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AI018vUKEVi9fH8v0iQGxk4:ww+asqN5aW/hSR18gVue/

    • 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 (313) 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 Matrix ATT&CK v13

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks