Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/05/2026, 10:20

General

  • Target
    2026-05-18_722111e5d7f7e8c009adac51f2c9a95c_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 761KB
  • Sample260518-mdlhyaet5q
  • SHA256 f9c92c37d0fee64bf4376b5adcfab39b19f5781dbdcc1d9d671893c35b5ebec1
  • 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 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-18_722111e5d7f7e8c009adac51f2c9a95c_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-18_722111e5d7f7e8c009adac51f2c9a95c_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:1804
  • C:\Windows\Syswow64\59424982
    C:\Windows\Syswow64\59424982
    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:4548

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        59424982

        • Path C:\Windows\SysWOW64\59424982
        • Size 761KB
        • SHA256 1bba4f1527e50cc30adba53d99b0ee5d00abe1ab115ffe351c6f8dd28c65727d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1804-0-0x0000000000200000-0x000000000028C000-memory.dmp

        memory/1804-12-0x0000000000200000-0x000000000028C000-memory.dmp

        memory/4548-4-0x00000000004A0000-0x000000000052C000-memory.dmp

        memory/4548-13-0x00000000004A0000-0x000000000052C000-memory.dmp

        memory/4548-24-0x00000000004A0000-0x000000000052C000-memory.dmp