General

  • Target

    a0ce2a605706591bbbdeee345fcde145e88ea0172143068ae78f949d37d258e8

  • Size

    933KB

  • Sample

    220523-z67m4aghe6

  • MD5

    c37771bc5eaf316cde7f35d4afecb7cd

  • SHA1

    75c4fbcd9bfe15b5fff56c9a2e5a0c8bba2a00e5

  • SHA256

    a0ce2a605706591bbbdeee345fcde145e88ea0172143068ae78f949d37d258e8

  • SHA512

    95fdbd9e497f237234d1dfff6f14ac1283ddc2a44a4c684820e6057eab0fddfa24ccf13c2a0811b527d285ad8101d7b02f5a43b30e4a4c7c68c5a7ce0dd32156

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 admin@sectex.net Write this ID in the title of your message C8E8694B In case of no answer in 24 hours write us to theese e-mails: admin@sectex.world 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

admin@sectex.net

admin@sectex.world

Targets

    • Target

      a0ce2a605706591bbbdeee345fcde145e88ea0172143068ae78f949d37d258e8

    • Size

      933KB

    • MD5

      c37771bc5eaf316cde7f35d4afecb7cd

    • SHA1

      75c4fbcd9bfe15b5fff56c9a2e5a0c8bba2a00e5

    • SHA256

      a0ce2a605706591bbbdeee345fcde145e88ea0172143068ae78f949d37d258e8

    • SHA512

      95fdbd9e497f237234d1dfff6f14ac1283ddc2a44a4c684820e6057eab0fddfa24ccf13c2a0811b527d285ad8101d7b02f5a43b30e4a4c7c68c5a7ce0dd32156

    • 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.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks