General

  • Target

    OBS_OpenVR_InputPlugin_v1.5.zip

  • Size

    376KB

  • Sample

    241030-fpk8zsxbqd

  • MD5

    ee896e6d5aa63aaa4a7a8026ef17f733

  • SHA1

    e7b9d36bc14821c69c0091a917b79494786d1be8

  • SHA256

    56c972a062395ab5da0e5ffefa9d396d9c238d3266a60dfed7f973f7421aaa84

  • SHA512

    3256c814ef2d48de32b9be5eec83557eba8e153a8f2d9da522a819b728851a3023e0c4b911118243db43c054bd6d8417c04af2b628c15226302f7eade91cb268

  • SSDEEP

    6144:Rc93EkfsdSCxCShKyIeJ1i9j8l9B3mjXMSOJsCGmasMc6gZHjx0joJxw:u2kfs0ACSh3f1i9jQ9Rq8SOiCGmaT6Hc

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>X8BEJWBSlQ4vAUL3osPvNb9PWbHRsW5Do3Bqmy/BDL2qUtMpAeIeU4HPUUjEvuAGOafvr4kapPNJcglL2BbpxBoIIV8eCWsP9s3t1qGaEbyUb6d0hrS8m+dTn1QKAZrd3vYsndoP7QYP/nkWMVy7hq+7rOHwJ6BbmSNXgQO9rCDgbX8N8vhUsZuCCibNq8kItqcLkvAJUi0GBySNhDDESUCRRigXirNgnGuGhAwnWQH1wW+Np8rOpqO50gQfpdx+6+uxRhHeW/LCBV5WSoyPxaw53P+D0ETVQprHyIz2D+IflPgtdanrJ73xxyGEq5A1uQtMMYjn9lYjMR+fc9p6eA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

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>l2oddc2oOYT31fToIhHSmMnUigJCTBD3uf4BGBb6aIf/sk0xEgx5gnmEIO72iduR63btlHu5MIL1rOZvfefiVmt9I7KQP8l08y9ndtT41KXKAiCa8LqK4bh2kTz3scXcyMwSBUIIDDVOG5lEE9PCsFTON6Z1u2MWLK4XRAx+S1dgvVZnNi2j84nZOHttGUF+nQjsDYDL0jZ53C6KgU2vSoUrTCv2ScUsg0i4TuUjftUnsYizpwl9W7884tYr2oRfRxQzcYpRJKlvccWxt5D+LKfdqg2xe0T+4KPwhshlBc06ZHjmy0FUIvFyiEuqOsZksHUIe845a4Oiy7AqEoyu2A==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      obs-plugins/64bit/openvr_api.dll

    • Size

      800KB

    • MD5

      0f6839c5d77574194f8722e8b0459bb9

    • SHA1

      cb6cef06cbf67ba4f9ba994db835b818eefd270b

    • SHA256

      dbc05e13b77d34deeaa44b5a7ee425d5def3e86f7c3f81d391bbbc379a4ebefa

    • SHA512

      213987fd3436669d4e75cb48058a7f06765f0c25143cfed938b860801be44448dade4263c940f9979b67e25d34ec2cba957e214db32d0885dc7d6943cdbb99d8

    • SSDEEP

      12288:Rwzczx7qv9gnwfb9poblx/DVqPfd+i3IBNWytFKrl6oEuv4Gv:Rwix7qv9gnwfb9poP/0g0IB0yo4wv

    Score
    1/10
    • Target

      obs-plugins/64bit/win-openvr.dll

    • Size

      23KB

    • MD5

      a2fa7bc0a731f2c2c755c6d63086f125

    • SHA1

      651b0e9062b6d5ac2880721834abb5258ef0d9b9

    • SHA256

      fed97640abb2f0e246ea0f231fac234c2fc9955da2f9009f7fd975fc37feb3ee

    • SHA512

      3d1537bb1fc1a40ac716cc1e501a080fd37082b23b503e97908ea6ad2d58840d9b1ebeb683c88ee1e37d302903b4f519eb26c2da7a98e2171a58b0924aed2800

    • SSDEEP

      384:HHEptkD102P5nPfeGrX6JyW8I1BoiR0MJfu:SQnBe0WrBoiCuu

    • InfinityLock Ransomware

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

    • Infinitylock family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks