General

  • Target

    2024-06-13_815b4bf1a7372c76db0809d6122b57df_crysis_dharma

  • Size

    92KB

  • Sample

    240613-a2jyss1ekp

  • MD5

    815b4bf1a7372c76db0809d6122b57df

  • SHA1

    f0ec3d7dcd44d35f0d4ddffe9e2c74e9492b0ff7

  • SHA256

    2cf4826c59b3a6d17814d869a7f39ba6584789aada655f49fb67165d6efcc3bc

  • SHA512

    f382dc91cc91ef18a30cdda961af440cfd98740fa2378c5a3e292ada26d2c9a9ec1d16a1b8c20c7b010ea7a408a652612c7133514d76c9fb57517b0b807e5ed0

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4Av2DAQHPPyHn2OzT3R46F7pcwwTXO:ww+asqN5aW/hSov+Xl7l

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] 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 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.

Targets

    • Target

      2024-06-13_815b4bf1a7372c76db0809d6122b57df_crysis_dharma

    • Size

      92KB

    • MD5

      815b4bf1a7372c76db0809d6122b57df

    • SHA1

      f0ec3d7dcd44d35f0d4ddffe9e2c74e9492b0ff7

    • SHA256

      2cf4826c59b3a6d17814d869a7f39ba6584789aada655f49fb67165d6efcc3bc

    • SHA512

      f382dc91cc91ef18a30cdda961af440cfd98740fa2378c5a3e292ada26d2c9a9ec1d16a1b8c20c7b010ea7a408a652612c7133514d76c9fb57517b0b807e5ed0

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4Av2DAQHPPyHn2OzT3R46F7pcwwTXO:ww+asqN5aW/hSov+Xl7l

    • 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 (316) 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