Overview

overview

10

Static

static

10

2026-10-21...op.exe

windows10-2004-x64

9

2026-10-21...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 18:27

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General

  • Target
    2026-10-21_8a3626990601e6b44e68061dd6020bee_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 525KB
  • Sample261022-w39fqsbb98
  • SHA256 23cfb179ed8b0d84a3321a6532669704e917f29d406a085d456163b22791827d
  • 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 26 IoCs

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

  • Drops file in System32 directory 15 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-21_8a3626990601e6b44e68061dd6020bee_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-21_8a3626990601e6b44e68061dd6020bee_amadey_coinminer_elex_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:2200
  • C:\Windows\Syswow64\85b4c8e8
    C:\Windows\Syswow64\85b4c8e8
    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:1060

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        85b4c8e8
        • Path C:\Windows\SysWOW64\85b4c8e8
        • Size 525KB
        • SHA256 9a7ad8a84e9ae3a2466d6458ce29a0db53b5733b239414be2791f46d9650a97d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1060-3-0x0000000000960000-0x00000000009EC000-memory.dmp
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        memory/1060-21-0x0000000000960000-0x00000000009EC000-memory.dmp
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        memory/1060-46-0x0000000000960000-0x00000000009EC000-memory.dmp
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        memory/2200-0-0x0000000000190000-0x000000000021C000-memory.dmp
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        memory/2200-20-0x0000000000190000-0x000000000021C000-memory.dmp
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