General

  • Target

    2024-06-11_3218917a67a4139acc428caf5ff9ccc5_crysis_dharma

  • Size

    92KB

  • Sample

    240611-rsnn3azerg

  • MD5

    3218917a67a4139acc428caf5ff9ccc5

  • SHA1

    460e0278ba8e4cb904587944c1da76437e102360

  • SHA256

    ab609c34aa4646384c6c0d9b37abda0e4eb9781d488cf5f6903c341c47d7dbc1

  • SHA512

    4fd5ea55704d932196e1d759eb718afe5f2e913e35296b1c520bb65c5a5431ea5b7fce5ef9a8379ec0e91344c4542359570f05d7c43a6093abe1d676ad9c7e80

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AHeAzVbobr+t+NK1GcoDc50cO2tqpbe:ww+asqN5aW/hSUUVEnHKIcAtcO2tqpb

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] 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

      2024-06-11_3218917a67a4139acc428caf5ff9ccc5_crysis_dharma

    • Size

      92KB

    • MD5

      3218917a67a4139acc428caf5ff9ccc5

    • SHA1

      460e0278ba8e4cb904587944c1da76437e102360

    • SHA256

      ab609c34aa4646384c6c0d9b37abda0e4eb9781d488cf5f6903c341c47d7dbc1

    • SHA512

      4fd5ea55704d932196e1d759eb718afe5f2e913e35296b1c520bb65c5a5431ea5b7fce5ef9a8379ec0e91344c4542359570f05d7c43a6093abe1d676ad9c7e80

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AHeAzVbobr+t+NK1GcoDc50cO2tqpbe:ww+asqN5aW/hSUUVEnHKIcAtcO2tqpb

    • 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