General

  • Target

    ZILCORP_POP.rar

  • Size

    256KB

  • Sample

    240624-ktgtksxcnm

  • MD5

    1fec81e815675e859231122b8ffcd6a3

  • SHA1

    dc4bc2f9bc34bd451293daca363b628c61847974

  • SHA256

    80ccb9fa03af599723c0ee1ad4084db53318222b7ce529bad558f5028fe01a57

  • SHA512

    0a77983277f701b5b6c0b652b45a7c60c45bd7ce14c84b27b5978e0de697dc95dd13875ca2bbb118cc77a49f754690bff6b195c83affc1478b5e62e6808f4524

  • SSDEEP

    6144:XSB6dFx6RQ1ZoASP7WE4mlFd7zBxb7cbmGC5Ff:XSBMx6kuASPKEdlFd7X3caGCXf

Malware Config

Targets

    • Target

      ZILCORP_POP.js

    • Size

      424KB

    • MD5

      228ffb4e92fdb79da09e379168d28b7d

    • SHA1

      00ab295a54b2a2892dc9a178be819c8cf6648ed0

    • SHA256

      93b921e53498e0ce61fa8740e083f55a10d72b0b9a406cdb05a9860ffcc94eb9

    • SHA512

      6c3c76b0294a9a5ac2c55f03c0524d9ac5a037c5f374c1a80aa6e15d6f4f1068b65d9db0460e5d37becb06709c414c3f2c81060d76dbf7077fc46330f1b066c9

    • SSDEEP

      6144:XQqj5e5byQl5AQE/fGn+Z+8sE1mTzJh2gIABvxOsMUURJNOkk52dUe:g3VlS2+4vKCzbtB5Os/r2dUe

    • STRRAT

      STRRAT is a remote access tool than can steal credentials and log keystrokes.

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

JavaScript

1
T1059.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Tasks