Resubmissions

25-08-2024 01:15

240825-bl765azgkg 6

25-08-2024 01:07

240825-bgn8fszejd 10

25-08-2024 01:01

240825-bdhlha1drm 10

25-08-2024 00:58

240825-bb2atszbpf 10

25-08-2024 00:56

240825-bavrna1cnl 10

25-08-2024 00:53

240825-a8zmtszake 8

25-08-2024 00:51

240825-a7mxms1arj 4

25-08-2024 00:45

240825-a4djssyfre 3

25-08-2024 00:18

240825-alyr1sxfpf 10

General

  • Target

    https://github.com/Endermanch/MalwareDatabase

  • Sample

    240825-bdhlha1drm

Malware Config

Extracted

Path

C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>ARoMyHdZnq1e4SfUGoj5KaDPOPeJO92TprPs0KT/nft4QrDSaFHfyTaxVCnR7o8W3hpX0UAOGPajuHUzvm+7GnRPuW06oIi6/Eq/Zjd50F3o+i3KjaCpGcvuSpmQm/i/wG/wfAA8KU3GlLrOKN/qv8lSKaqXbJdCch7W62aqBXIoT6yLQFrildMbYTqA02qGwSDq/befp5PO7rLJ4edl7PDjqgSKyyiYxH8gCnSfXKY/58wfWoWdxeaP29fj08zNwEPk70ACoVOI6NZCFWjb5UmhDJgoB6FK1jayK1/3wxx3thpSQ17D75dngv1dFiiwvrtUQbPD7Z8PPI2nwVY1Hg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      https://github.com/Endermanch/MalwareDatabase

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

    • Renames multiple (1018) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • UPX packed file

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks