Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 03:32

General

  • Target
    2026-10-22_99b26a3eb44891eef50843b2e88e0021_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample261024-d3zmesfv6z
  • SHA256 e059fac8870587ab11709ea4ca83b159154322a832a2121418e941bc37c43ed5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 22 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\2026-10-22_99b26a3eb44891eef50843b2e88e0021_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_99b26a3eb44891eef50843b2e88e0021_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:4112
  • C:\Windows\Syswow64\2f3c1dce
    C:\Windows\Syswow64\2f3c1dce
    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:3644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2f3c1dce

        • Path C:\Windows\SysWOW64\2f3c1dce
        • Size 560KB
        • SHA256 82a3cd06951933b88267e60222f3ae2b126e1fa1500f9167680166e323dabbf5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3644-3-0x0000000000C30000-0x0000000000CBC000-memory.dmp

        memory/3644-19-0x0000000000C30000-0x0000000000CBC000-memory.dmp

        memory/3644-42-0x0000000000C30000-0x0000000000CBC000-memory.dmp

        memory/4112-0-0x0000000000130000-0x00000000001BC000-memory.dmp

        memory/4112-18-0x0000000000130000-0x00000000001BC000-memory.dmp