Overview

overview

10

Static

static

10

2026-10-11...er.exe

windows10-2004-x64

9

2026-10-11...er.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 14:17

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General

  • Target
    2026-10-11_a3e7e249fed638ccad5aa33847d00227_amadey_coinminer_elex_remcos_smoke-loader.exe
  • Size 576KB
  • Sample261012-rlwq4abs7t
  • SHA256 beff9b61428775f133faa9e8b1c35efb411d4d17a021d8829d43629532500832
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 12 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 18 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 12 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\2026-10-11_a3e7e249fed638ccad5aa33847d00227_amadey_coinminer_elex_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_a3e7e249fed638ccad5aa33847d00227_amadey_coinminer_elex_remcos_smoke-loader.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:2288
  • C:\Windows\Syswow64\306d0c2c
    C:\Windows\Syswow64\306d0c2c
    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:3940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        306d0c2c
        • Path C:\Windows\SysWOW64\306d0c2c
        • Size 576KB
        • SHA256 c44098f1224c7f8805b6e014c79cc294b9e15d52c16e39a3f6de3d4379f5571d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2288-0-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/2288-20-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/2288-46-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/2288-52-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/2288-55-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/2288-60-0x0000000000580000-0x0000000000609000-memory.dmp
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        memory/3940-3-0x0000000000030000-0x00000000000B9000-memory.dmp
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        memory/3940-22-0x0000000000030000-0x00000000000B9000-memory.dmp
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        memory/3940-23-0x0000000000030000-0x00000000000B9000-memory.dmp
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        memory/3940-29-0x0000000000030000-0x00000000000B9000-memory.dmp
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        memory/3940-47-0x0000000000030000-0x00000000000B9000-memory.dmp
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