Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 16:25

General

  • Target
    2026-10-19_740ee7f2937725095cd625f5630a5c23_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 525KB
  • Sample261020-txadcab14x
  • SHA256 ce13972833e8f74ff21af9fe954f796b2d5ad47883fa0c80079a38bf3909fb55
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 24 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.

  • 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.

  • 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.

  • 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\2026-10-19_740ee7f2937725095cd625f5630a5c23_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_740ee7f2937725095cd625f5630a5c23_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:3304
  • C:\Windows\Syswow64\fa143c74
    C:\Windows\Syswow64\fa143c74
    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:4988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        fa143c74

        • Path C:\Windows\SysWOW64\fa143c74
        • Size 525KB
        • SHA256 604c7416eecffb101d0e1a6e68e97c8378fe1edf382549f675f12f5def7597e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3304-0-0x00000000007F0000-0x000000000087C000-memory.dmp

        memory/3304-18-0x00000000007F0000-0x000000000087C000-memory.dmp

        memory/4988-3-0x0000000000B20000-0x0000000000BAC000-memory.dmp

        memory/4988-19-0x0000000000B20000-0x0000000000BAC000-memory.dmp

        memory/4988-44-0x0000000000B20000-0x0000000000BAC000-memory.dmp