Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 04:25

General

  • Target
    2026-08-15_063f2a06db2777a40375f4c6039bbc94_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 640KB
  • Sample260815-e2efjaeq5s
  • SHA256 d4235aa0b9fa07220697ab26b432023b4c132590a3b52bad5bf5d3eae8f6c18e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

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

  • Drops file in System32 directory 17 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-15_063f2a06db2777a40375f4c6039bbc94_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-15_063f2a06db2777a40375f4c6039bbc94_amadey_coinminer_elex_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:4896
  • C:\Windows\Syswow64\5efd832b
    C:\Windows\Syswow64\5efd832b
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:940

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        5efd832b

        • Path C:\Windows\SysWOW64\5efd832b
        • Size 640KB
        • SHA256 44bd99d64f0f4ea455dec149988d1028a891558ff5c01e6837524785e1b38b82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/940-3-0x0000000000100000-0x000000000018C000-memory.dmp

        memory/940-13-0x0000000000100000-0x000000000018C000-memory.dmp

        memory/940-32-0x0000000000100000-0x000000000018C000-memory.dmp

        memory/4896-0-0x0000000000E30000-0x0000000000EBC000-memory.dmp

        memory/4896-12-0x0000000000E30000-0x0000000000EBC000-memory.dmp