Overview

overview

10

Static

static

10

Makop.exe

windows11-21h2-x64

6

Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    28s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 17:28

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General

  • Target
    Makop.exe
  • Size 49KB
  • Sample260604-v1237sbt71
  • SHA256 b757cdd37ea2d179996a8f9452c1747867d2a26d8f4377985b7bcca1e0aa6c38
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoveryransomware

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Makop.exe
    "C:\Users\Admin\AppData\Local\Temp\Makop.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:904
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping 1.1.1.1 -n 5 & fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\Makop.exe" & del /q /f "C:\Users\Admin\AppData\Local\Temp\Makop.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4228
      • C:\Windows\SysWOW64\PING.EXE
        ping 1.1.1.1 -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4700
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=131072 "C:\Users\Admin\AppData\Local\Temp\Makop.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4792

Network

        MITRE ATT&CK Enterprise v16

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