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Analysis

  • max time kernel
    166s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 10:30

General

  • Target

    175092362c29ee4cc53d3779e9747f76.exe

  • Size

    100KB

  • MD5

    175092362c29ee4cc53d3779e9747f76

  • SHA1

    9ad03a6727d90dc6701515f5195c423cfa9034d3

  • SHA256

    58dd88e9e9853ce3783694aa655995f93900cb0ac65e75b03b84f601b9d04b18

  • SHA512

    91c2cbfd7b55043dc79ff4c480457631f4e917240a467bd300f06e261c9dfb3fbcc1186e679abd66e39f0899a5775782088e3ee231bf38bc608b31b3204f006c

  • SSDEEP

    1536:GbtGJ82NTzwvMGAc4ohrPXo+73Rez8b0SygNIjN:BwCurPX7CgCN

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\175092362c29ee4cc53d3779e9747f76.exe
    "C:\Users\Admin\AppData\Local\Temp\175092362c29ee4cc53d3779e9747f76.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:4648
    • C:\Users\Admin\hiakuv.exe
      "C:\Users\Admin\hiakuv.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:348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hiakuv.exe

    Filesize

    100KB

    MD5

    53bffb2ba3111b0fbdf10444c1c6c646

    SHA1

    349acf27408bed529f9d4413dde86158121a4f55

    SHA256

    b8088397d4e5ea2fef8382088ba0eaa9b9eee0d9cfb6ce8a110f86af5e595f69

    SHA512

    e2a590ec14e04a4ce565d2e123472cc09699398127d8b73b14381fd229be580c68b5217db2062f1d3e58d5bcefbb2aa1c6adc579afd369a862384239bc038b72