General

  • Target

    2024-06-11_10c8fcc69cae51ca05bae40be9fa4f89_crysis_dharma

  • Size

    92KB

  • Sample

    240611-2arccatgne

  • MD5

    10c8fcc69cae51ca05bae40be9fa4f89

  • SHA1

    68005a698cfe96e19128e8b83d975657d8354f56

  • SHA256

    141f975530b35619b0e8b997737302ee462f4451ce2a32d826265d583a058c70

  • SHA512

    2a2f75c2f614b4583ae062d555ce855ff478c8843b6e2f5179947472ee7de360dac370030202ba26aaa320bc1cc05eb023215fe3d7a4ed4d0a94e7f22cb2a8aa

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4A2MNXbcYAtIt83a+KX3SJ7zcI:ww+asqN5aW/hS0MNIZaD3SRb

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_10c8fcc69cae51ca05bae40be9fa4f89_crysis_dharma

    • Size

      92KB

    • MD5

      10c8fcc69cae51ca05bae40be9fa4f89

    • SHA1

      68005a698cfe96e19128e8b83d975657d8354f56

    • SHA256

      141f975530b35619b0e8b997737302ee462f4451ce2a32d826265d583a058c70

    • SHA512

      2a2f75c2f614b4583ae062d555ce855ff478c8843b6e2f5179947472ee7de360dac370030202ba26aaa320bc1cc05eb023215fe3d7a4ed4d0a94e7f22cb2a8aa

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4A2MNXbcYAtIt83a+KX3SJ7zcI:ww+asqN5aW/hS0MNIZaD3SRb

    • 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 (311) 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