General

  • Target

    4d5220a88b195e3ccdc40ba1c99d5d84d06dacc0720070a72aa34c9895939a25.sample

  • Size

    57KB

  • Sample

    210726-fg2nmqxxae

  • MD5

    bb7a86c4e8499007ce55844f9d23d21c

  • SHA1

    e338fee9543b71edce9e759ee4320671f53c7116

  • SHA256

    4d5220a88b195e3ccdc40ba1c99d5d84d06dacc0720070a72aa34c9895939a25

  • SHA512

    eba28241fdaec937773cd36bb1e02370cb99beed0c0c54398e8e89cbfb1ffc9bd1dc701ac7bcb7a7fc5368cf4e99cb78ca0d5726a243338fc609acf8a461a349

Malware Config

Extracted

Path

C:\users\public\desktop\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 natashaoversbyober@aol.com Write this ID in the title of your message 972849CC-2750 In case of no answer in 24 hours write us to this e-mail: cinderella_field@aol.com If there is no response from our mail, you can install the Jabber client and write to us in support of helpdecrypt@jabbim.cz 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 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 4Mb (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/ Jabber client installation instructions: Download the jabber (Pidgin) client from https://pidgin.im/download/windows/ After installation, the Pidgin client will prompt you to create a new account. Click "Add" In the "Protocol" field, select XMPP In "Username" - come up with any name In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im Create a password At the bottom, put a tick "Create account" Click add If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data: User password You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below) If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - https://www.youtube.com/results?search_query=pidgin+jabber+install 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

natashaoversbyober@aol.com

cinderella_field@aol.com

helpdecrypt@jabbim.cz

URLs

https://pidgin.im/download/windows/

Targets

    • Target

      4d5220a88b195e3ccdc40ba1c99d5d84d06dacc0720070a72aa34c9895939a25.sample

    • Size

      57KB

    • MD5

      bb7a86c4e8499007ce55844f9d23d21c

    • SHA1

      e338fee9543b71edce9e759ee4320671f53c7116

    • SHA256

      4d5220a88b195e3ccdc40ba1c99d5d84d06dacc0720070a72aa34c9895939a25

    • SHA512

      eba28241fdaec937773cd36bb1e02370cb99beed0c0c54398e8e89cbfb1ffc9bd1dc701ac7bcb7a7fc5368cf4e99cb78ca0d5726a243338fc609acf8a461a349

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies Windows Firewall

    • 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)

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

3
T1107

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Tasks