Overview

overview

10

Static

static

10

256c7da35b...23.exe

windows7-x64

10

256c7da35b...23.exe

windows10-2004-x64

10

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General

  • Target

    256c7da35b7efeff1db388ad09d341bc32839dae0edcb5524bc39fa358fe4d23

  • Size

    92KB

  • Sample

    240613-zf8gpstdnk

  • MD5

    609d2e4eb7d20b36325a7802f271dc01

  • SHA1

    469a568005cfafb8938cc7b16f365ab8f225978b

  • SHA256

    256c7da35b7efeff1db388ad09d341bc32839dae0edcb5524bc39fa358fe4d23

  • SHA512

    26bf39e82253ee0511b3498efb320785ea39b6904d8fea73aa8fe81bd218774192f484c4b8e05e69b4c55176d566afca70d187c270347a8a13a0b0c9a019e72f

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4AB8Dsx7Zoygwff/WDb4hkUwqS06ky597:ww+asqN5aW/hS1Z2bDbCkUK0

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 47477499 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 5 files for free decryption. The total size of files must be less than 10Mb (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 136CDBA5 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 5 files for free decryption. The total size of files must be less than 10Mb (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

      256c7da35b7efeff1db388ad09d341bc32839dae0edcb5524bc39fa358fe4d23

    • Size

      92KB

    • MD5

      609d2e4eb7d20b36325a7802f271dc01

    • SHA1

      469a568005cfafb8938cc7b16f365ab8f225978b

    • SHA256

      256c7da35b7efeff1db388ad09d341bc32839dae0edcb5524bc39fa358fe4d23

    • SHA512

      26bf39e82253ee0511b3498efb320785ea39b6904d8fea73aa8fe81bd218774192f484c4b8e05e69b4c55176d566afca70d187c270347a8a13a0b0c9a019e72f

    • SSDEEP

      1536:GBwl+KXpsqN5vlwWYyhZ9S4AB8Dsx7Zoygwff/WDb4hkUwqS06ky597:ww+asqN5aW/hS1Z2bDbCkUK0

    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 (316) 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