Overview

overview

10

Static

static

10

2026-11-01...op.exe

windows10-2004-x64

9

2026-11-01...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 02:02

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General

  • Target
    2026-11-01_fb4baf2b66e347dc97eb39760c7e98b1_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample261102-cf43ysdh67
  • SHA256 8f46aeb634bd43f6a638475de587333ef9ee2657151bd2245e5b71a97393a33e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 20 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 13 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Windows directory 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_fb4baf2b66e347dc97eb39760c7e98b1_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_fb4baf2b66e347dc97eb39760c7e98b1_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4728
  • C:\Windows\Syswow64\365efcf7
    C:\Windows\Syswow64\365efcf7
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        365efcf7
        • Path C:\Windows\SysWOW64\365efcf7
        • Size 830KB
        • SHA256 9c814993dd64fd161d82d6fc47305422b633199c423317d7c2be81e556de11b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3800-3-0x0000000000A50000-0x0000000000ADC000-memory.dmp
        Download

        memory/3800-19-0x0000000000A50000-0x0000000000ADC000-memory.dmp
        Download

        memory/3800-36-0x0000000000A50000-0x0000000000ADC000-memory.dmp
        Download

        memory/4728-0-0x0000000000D50000-0x0000000000DDC000-memory.dmp
        Download

        memory/4728-18-0x0000000000D50000-0x0000000000DDC000-memory.dmp
        Download