Overview

overview

10

Static

static

8

824e63316a...c7.exe

windows7-x64

10

824e63316a...c7.exe

windows10-2004-x64

10

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General

  • Target

    824e63316a908e28848e81ce7c8b2a0924c7d9e5030078278e8bbb394ae704c7

  • Size

    91KB

  • Sample

    221002-r9cywschem

  • MD5

    67b84a88fcab472acb2a5c8f44d78320

  • SHA1

    88a60ff1eadefff89566202cf81c7f6fe27b2e27

  • SHA256

    824e63316a908e28848e81ce7c8b2a0924c7d9e5030078278e8bbb394ae704c7

  • SHA512

    895f174f68867caa2f08537d0399a5544d6a8b30547f9d8da0fe7428610d920f2e168174096ec2abee69335caf20b1b8c93fa4c8d56c53c7f6c8da580e67392c

  • SSDEEP

    1536:yOcjUpkWb2TTghpwuFCOcjUpkWb2TTghpwuh:yOcjWJuutFCOcjWJuuth

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      824e63316a908e28848e81ce7c8b2a0924c7d9e5030078278e8bbb394ae704c7

    • Size

      91KB

    • MD5

      67b84a88fcab472acb2a5c8f44d78320

    • SHA1

      88a60ff1eadefff89566202cf81c7f6fe27b2e27

    • SHA256

      824e63316a908e28848e81ce7c8b2a0924c7d9e5030078278e8bbb394ae704c7

    • SHA512

      895f174f68867caa2f08537d0399a5544d6a8b30547f9d8da0fe7428610d920f2e168174096ec2abee69335caf20b1b8c93fa4c8d56c53c7f6c8da580e67392c

    • SSDEEP

      1536:yOcjUpkWb2TTghpwuFCOcjUpkWb2TTghpwuh:yOcjWJuutFCOcjWJuuth

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks