Overview

overview

10

Static

static

10

2026-09-23...op.exe

windows10-2004-x64

9

2026-09-23...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/09/2026, 21:17

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General

  • Target
    2026-09-23_90b0871eff77682a9a080c0c3d4346f7_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260923-z469jsdc82
  • SHA256 a5f13b416f4629bc01a3ad82311e0625d325dd360217562bfccf3fd781e88fa1
  • 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 25 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
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-23_90b0871eff77682a9a080c0c3d4346f7_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-23_90b0871eff77682a9a080c0c3d4346f7_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1080
  • C:\Windows\Syswow64\dd1c5b90
    C:\Windows\Syswow64\dd1c5b90
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dd1c5b90
        • Path C:\Windows\SysWOW64\dd1c5b90
        • Size 830KB
        • SHA256 3b74bb66a59e082f29986f5358e1bf483f6d097b31d9c32a4c9710d8664d2a05
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1080-0-0x00000000003B0000-0x000000000043C000-memory.dmp
        Download

        memory/1080-18-0x00000000003B0000-0x000000000043C000-memory.dmp
        Download

        memory/4964-3-0x0000000000AB0000-0x0000000000B3C000-memory.dmp
        Download

        memory/4964-19-0x0000000000AB0000-0x0000000000B3C000-memory.dmp
        Download

        memory/4964-44-0x0000000000AB0000-0x0000000000B3C000-memory.dmp
        Download