Overview

overview

10

Static

static

10

cc3b570fa8...64.exe

windows7-x64

10

cc3b570fa8...64.exe

windows10-2004-x64

10

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General

  • Target

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe

  • Size

    1.9MB

  • Sample

    240611-kgv6fazhrh

  • MD5

    f09a781eeb97acf68c8c1783e76c29e6

  • SHA1

    ec2b7eebfcbf263424ae194817060eac44c380c7

  • SHA256

    cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64

  • SHA512

    972fc4759d344c3eab157fe8bb345596592895ab9d27546961a93047142e8236dd876f3449a9f60dd5eb93a54035dcd3d7c8d70d468e3233341bfa4d674cfa64

  • SSDEEP

    49152:jL7kITp6hTJEfHdQ2+Sd3KmkZt1EOS09VE8zbRfc7id4oPg:YITpmafy2+S5KmkZt1EOSP8zdfc7i5P

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealerupx

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 [email protected] Write this ID in the title of your message 00DD6F08 In case of no answer in 24 hours write us to theese e-mails: [email protected] 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.

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 [email protected] Write this ID in the title of your message 581A6791 In case of no answer in 24 hours write us to theese e-mails: [email protected] 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.

Targets

    • Target

      cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64.exe

    • Size

      1.9MB

    • MD5

      f09a781eeb97acf68c8c1783e76c29e6

    • SHA1

      ec2b7eebfcbf263424ae194817060eac44c380c7

    • SHA256

      cc3b570fa8f87354f06a20d8873c45087684c217f1b434b3b0048acd96fe3e64

    • SHA512

      972fc4759d344c3eab157fe8bb345596592895ab9d27546961a93047142e8236dd876f3449a9f60dd5eb93a54035dcd3d7c8d70d468e3233341bfa4d674cfa64

    • SSDEEP

      49152:jL7kITp6hTJEfHdQ2+Sd3KmkZt1EOS09VE8zbRfc7id4oPg:YITpmafy2+S5KmkZt1EOSP8zdfc7i5P

    Score
    10/10
    dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealerupx

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Identifies DHARMA ransomware

    • Renames multiple (314) files with added filename extension

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

      ransomware

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks