General

  • Target

    1c_bitrix.exe

  • Size

    92KB

  • Sample

    210610-96sxzed7r6

  • MD5

    80b21955369b73d9c3b73214905c8ba7

  • SHA1

    c3b6c20dd9f7d9b3246683952db3b1800e19664e

  • SHA256

    1af26c9d78b02d5b43e43029645046aa2544cf43f9cf068cb6188b5261db25bb

  • SHA512

    f3a5c5c496e552c0f8853b45ce06f451187cc2d73a1eea242bbd9d641245f79a6ddc08eae7b35ef14ad94a2b575d5facb05a4e8867391cd2df3728c4b41c69c7

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 xcsset@criptext.com Write this ID in the title of your message 3B2F29E5 In case of no answer in 24 hours write us to theese e-mails: xcsset@aol.com 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

xcsset@criptext.com

xcsset@aol.com

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 xcsset@criptext.com Write this ID in the title of your message 41EB61BF In case of no answer in 24 hours write us to theese e-mails: xcsset@aol.com 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

xcsset@criptext.com

xcsset@aol.com

Targets

    • Target

      1c_bitrix.exe

    • Size

      92KB

    • MD5

      80b21955369b73d9c3b73214905c8ba7

    • SHA1

      c3b6c20dd9f7d9b3246683952db3b1800e19664e

    • SHA256

      1af26c9d78b02d5b43e43029645046aa2544cf43f9cf068cb6188b5261db25bb

    • SHA512

      f3a5c5c496e552c0f8853b45ce06f451187cc2d73a1eea242bbd9d641245f79a6ddc08eae7b35ef14ad94a2b575d5facb05a4e8867391cd2df3728c4b41c69c7

    • 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.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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 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