General

  • Target

    2024-06-11_547b898fd9069b311e9f6609455628ba_crysis_dharma

  • Size

    92KB

  • Sample

    240611-lde6gssaje

  • MD5

    547b898fd9069b311e9f6609455628ba

  • SHA1

    36252e2d32179735c5404509c2368657ce073cdc

  • SHA256

    a005f87a5107747f1cdb2600463608c9612dbd5c8de99cf294bc586b72ce7ac0

  • SHA512

    de81cb5fef46e83484b5516c083af3de695685e993689f9a24d5861f9fd3a93bcca3bf0e7722142cc5b24d60db962afa5398026b8819ee00ef09f445eec13b15

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4Ab3ix6S2uZ5LlAQOpDs:ww+asqN5aW/hSZS09uZVlAQOV

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_547b898fd9069b311e9f6609455628ba_crysis_dharma

    • Size

      92KB

    • MD5

      547b898fd9069b311e9f6609455628ba

    • SHA1

      36252e2d32179735c5404509c2368657ce073cdc

    • SHA256

      a005f87a5107747f1cdb2600463608c9612dbd5c8de99cf294bc586b72ce7ac0

    • SHA512

      de81cb5fef46e83484b5516c083af3de695685e993689f9a24d5861f9fd3a93bcca3bf0e7722142cc5b24d60db962afa5398026b8819ee00ef09f445eec13b15

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4Ab3ix6S2uZ5LlAQOpDs:ww+asqN5aW/hSZS09uZVlAQOV

    • 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 (320) 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

    • Loads dropped DLL

    • 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)

    • Enumerates connected drives

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

    • 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

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks