General

  • Target

    2024-01-27_b4f7c2438309bf856fe51dc09d96c8c0_crysis_dharma

  • Size

    92KB

  • Sample

    240127-s1zxqsehh2

  • MD5

    b4f7c2438309bf856fe51dc09d96c8c0

  • SHA1

    d5e09d96add7618489b393ddabd0e242fe854e30

  • SHA256

    e3933a84ac4cbbb0a3c259c009b57c190f30c53c9be4c209eded9001cae40627

  • SHA512

    6ca8d4f0aee2c36c924f97e63afb3259e65a7adf1d1538fa55c73c3ac6a319486a8328a698280547472cfb101e33f1e23d1ece435a8159e26b2b4a5af768a035

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Ae83iaeq1F2t2MXyIZRD0eiz:Qw+asqN5aW/hLQ8Ct2MXyIZ+ei

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail decoderma@protonmail.com Write this ID in the title of your message DC64A8A7 In case of no answer in 24 hours write us to theese e-mails: decoderma@airmail.cc You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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.
Emails

decoderma@protonmail.com

decoderma@airmail.cc

Targets

    • Target

      2024-01-27_b4f7c2438309bf856fe51dc09d96c8c0_crysis_dharma

    • Size

      92KB

    • MD5

      b4f7c2438309bf856fe51dc09d96c8c0

    • SHA1

      d5e09d96add7618489b393ddabd0e242fe854e30

    • SHA256

      e3933a84ac4cbbb0a3c259c009b57c190f30c53c9be4c209eded9001cae40627

    • SHA512

      6ca8d4f0aee2c36c924f97e63afb3259e65a7adf1d1538fa55c73c3ac6a319486a8328a698280547472cfb101e33f1e23d1ece435a8159e26b2b4a5af768a035

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4Ae83iaeq1F2t2MXyIZRD0eiz:Qw+asqN5aW/hLQ8Ct2MXyIZ+ei

    • 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 (310) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • 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

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

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks