Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 13:52

General

  • Target

    b249daf0948009ddb53bcd35551d4a93.exe

  • Size

    96KB

  • MD5

    b249daf0948009ddb53bcd35551d4a93

  • SHA1

    457255d503f2579acbab5a573d148e9ee5110ffa

  • SHA256

    40ef6cb2805f3147cebe8c2e7df6017236aa82dc7a43d343e581e120aa3af4d5

  • SHA512

    4382846583cdb3e7a0d6beb2176f546b6489df3658d50adf5c5814cd2f551d960aab00328143ddde42844a94471e435f0b83fcfb5a144a5666c42caabaec88e6

  • SSDEEP

    1536:f5N6Eg52M9tyVQO8P8ychcsx7wjj3RJNEo/knRzdnynE7RldNEP8lijOevNIjnZ9:fyE/Melychcs4zR3Ek65RldqvCnz

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b249daf0948009ddb53bcd35551d4a93.exe
    "C:\Users\Admin\AppData\Local\Temp\b249daf0948009ddb53bcd35551d4a93.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\kaiupab.exe
      "C:\Users\Admin\kaiupab.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\kaiupab.exe

    Filesize

    96KB

    MD5

    dcc7ae61e30cdde05fa28da5f6a6817f

    SHA1

    fd2f8281936f1b2b9f47b27ff1852bb77315bff5

    SHA256

    7ce0d632a28ee6903c47efcc39486d9749255bad30e3bb2dc44b524a2dc853a9

    SHA512

    b6ae267afcf5f92782b17aec8e2f5829c690cacdfe4fd72bacf45547ddc6ef71c3c8356e842b60072299b3a593a2dcecbffc2b11d72fefbd2dde20de7f730705