General

  • Target

    2024-06-12_76cf59702e9eec0e14fae6da497d999e_crysis_dharma

  • Size

    92KB

  • Sample

    240612-r3mvhsyelf

  • MD5

    76cf59702e9eec0e14fae6da497d999e

  • SHA1

    5f1b10bbb98e80d9d184a139271d4457407cc3bd

  • SHA256

    8f75e4e2ff12ce8cabe25e9aed3a965d247e2eebff5bccccb2d8efdb4eb6ca3e

  • SHA512

    89037308027f16f95adf9ad44049da01bb4e0138d5baee868ba27806582cf7f3831a184fc2f9f0e3ad84408ddba74786d2663c27c22f719950997ccda3b66540

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4A0viICNPpzURZOZAKstB860gkyP2EO8rN:ww+asqN5aW/hSQ9CNPBURZzKsXx3PAEN

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

      2024-06-12_76cf59702e9eec0e14fae6da497d999e_crysis_dharma

    • Size

      92KB

    • MD5

      76cf59702e9eec0e14fae6da497d999e

    • SHA1

      5f1b10bbb98e80d9d184a139271d4457407cc3bd

    • SHA256

      8f75e4e2ff12ce8cabe25e9aed3a965d247e2eebff5bccccb2d8efdb4eb6ca3e

    • SHA512

      89037308027f16f95adf9ad44049da01bb4e0138d5baee868ba27806582cf7f3831a184fc2f9f0e3ad84408ddba74786d2663c27c22f719950997ccda3b66540

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4A0viICNPpzURZOZAKstB860gkyP2EO8rN:ww+asqN5aW/hSQ9CNPBURZzKsXx3PAEN

    • 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