Overview

overview

10

Static

static

3

tmprwukzrnj.exe

windows10-ltsc_2021-x64

10

tmprwukzrnj.exe

windows10-2004-x64

7

tmprwukzrnj.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/05/2026, 23:39

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General

  • Target
    tmprwukzrnj.exe
  • Size 744KB
  • Sample260524-3npw4scw21
  • SHA256 4084a7923a67d7e454c805ded8e62d0f6dc54718637ed34eefeaf5d0f50bba78
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmprwukzrnj.exe
    "C:\Users\Admin\AppData\Local\Temp\tmprwukzrnj.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN "Brokeress2" /TR "C:\Users\Admin\AppData\Roaming\Highflying.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5116
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /run /tn "Brokeress2"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4052
  • C:\Users\Admin\AppData\Roaming\Highflying.exe
    C:\Users\Admin\AppData\Roaming\Highflying.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:828
  • C:\Users\Admin\AppData\Roaming\Highflying.exe
    C:\Users\Admin\AppData\Roaming\Highflying.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:3448

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        Highflying.exe
        • Path C:\Users\Admin\AppData\Roaming\Highflying.exe
        • Size 744KB
        • SHA256 01dc4c3aee7aee84c99318d1a0fbb6ff65c683a16637171e3198ee987c6150ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
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