Overview

overview

3

Static

static

3

EromUpgrade.exe

windows10-2004-x64

3

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/07/2026, 17:51

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General

  • Target
    EromUpgrade.exe
  • Size 388KB
  • Sample260729-we61psyfnd
  • SHA256 a2e1e6aceba6c9608f05d80683f264f350766e35a4edfe212f85ca839bbca06d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
discovery

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EromUpgrade.exe
    "C:\Users\Admin\AppData\Local\Temp\EromUpgrade.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:2852

Network

        MITRE ATT&CK Enterprise v16

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        Downloads