Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/04/2026, 01:38

General

  • Target
    2026-04-18_4bffa2d91a434cb04d83cdadcc93a80c_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260418-b2qa9aew4t
  • SHA256 a2499fd173a776feab353f44297268ebc11f268843d92427aaa19d4bc5b4b43f
  • 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 4 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_4bffa2d91a434cb04d83cdadcc93a80c_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_4bffa2d91a434cb04d83cdadcc93a80c_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:1540
  • C:\Windows\Syswow64\b8ed7540
    C:\Windows\Syswow64\b8ed7540
    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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        b8ed7540

        • Path C:\Windows\SysWOW64\b8ed7540
        • Size 560KB
        • SHA256 4869708be16322e3244088a5c6e91c58f94db04a9b02c59918e9e49cd62e111c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1540-0-0x00000000005A0000-0x000000000062C000-memory.dmp

        memory/1540-18-0x00000000005A0000-0x000000000062C000-memory.dmp

        memory/4012-4-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4012-19-0x0000000000E50000-0x0000000000EDC000-memory.dmp

        memory/4012-24-0x0000000000E50000-0x0000000000EDC000-memory.dmp