General

  • Target

    2024-06-12_9dab3f74c23f492f624087fb0865d13b_crysis_dharma

  • Size

    92KB

  • Sample

    240612-r5s5bayfjf

  • MD5

    9dab3f74c23f492f624087fb0865d13b

  • SHA1

    bf65dcb58d217e233a91329843bd575ca7bd7bc3

  • SHA256

    bb1f5d76baca351ad0d1c3a06fcac914ca6bf62a9e9178d5315f3869c4c6c1e0

  • SHA512

    de4e2c8075c56664d7e0db359f93fe47b767efd80e747ac582f82913759af92970d1c22929ada19fcc91b3cc8ed8fc70d0e4f640d948c822f11fbbc764da1c23

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AK5d710ylJYdYksqZEyE5Y06Biw:ww+asqN5aW/hSc5dZZMdYksqrEnK

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_9dab3f74c23f492f624087fb0865d13b_crysis_dharma

    • Size

      92KB

    • MD5

      9dab3f74c23f492f624087fb0865d13b

    • SHA1

      bf65dcb58d217e233a91329843bd575ca7bd7bc3

    • SHA256

      bb1f5d76baca351ad0d1c3a06fcac914ca6bf62a9e9178d5315f3869c4c6c1e0

    • SHA512

      de4e2c8075c56664d7e0db359f93fe47b767efd80e747ac582f82913759af92970d1c22929ada19fcc91b3cc8ed8fc70d0e4f640d948c822f11fbbc764da1c23

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AK5d710ylJYdYksqZEyE5Y06Biw:ww+asqN5aW/hSc5dZZMdYksqrEnK

    • 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 (315) 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