Overview

overview

10

Static

static

3

6fbb38f1f3...18.exe

windows7-x64

10

6fbb38f1f3...18.exe

windows10-2004-x64

10

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General

  • Target

    6fbb38f1f3ec457f1b3341967ecbe0f1_JaffaCakes118

  • Size

    92KB

  • Sample

    240524-y471eahg7x

  • MD5

    6fbb38f1f3ec457f1b3341967ecbe0f1

  • SHA1

    6b96e23e2a25d17128f091b8c7b48866f2446a37

  • SHA256

    1d35a8e5f1e1be9280280b080071264a780dcbbdc1c4edc50947b68e1f40835c

  • SHA512

    6cc8f1c26dada347d13b5c4d878e898290d182e7268f1cdeac34c026c25b52fdcc436f174a4195896b9343b4676e0452b89f207cb1116ffce03d71b3b3151155

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AheQS83OoTGisT8ll3EZcZGzHpc3IBtbk:Qw+asqN5aW/hLeQS83OOBbElHpHBtb

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 [email protected] Write this ID in the title of your message E7B87F81 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 22861070 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

      6fbb38f1f3ec457f1b3341967ecbe0f1_JaffaCakes118

    • Size

      92KB

    • MD5

      6fbb38f1f3ec457f1b3341967ecbe0f1

    • SHA1

      6b96e23e2a25d17128f091b8c7b48866f2446a37

    • SHA256

      1d35a8e5f1e1be9280280b080071264a780dcbbdc1c4edc50947b68e1f40835c

    • SHA512

      6cc8f1c26dada347d13b5c4d878e898290d182e7268f1cdeac34c026c25b52fdcc436f174a4195896b9343b4676e0452b89f207cb1116ffce03d71b3b3151155

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AheQS83OoTGisT8ll3EZcZGzHpc3IBtbk:Qw+asqN5aW/hLeQS83OOBbElHpHBtb

    Score
    10/10
    dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • 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

    • Renames multiple (312) files with added filename extension

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

      ransomware

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks