Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 16:33

General

  • Target
    2026-05-23_9bbd871bc3ded744e58163669af98ea6_amadey_coinminer_elex_remcos_smoke-loader.exe
  • Size 618KB
  • Sample260523-t2k1msgv2t
  • SHA256 a6fc37e54d4422f66f9db2284ce796a7d54c6ce4e61f5a1e8b21948118941b57
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 8 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 8 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\2026-05-23_9bbd871bc3ded744e58163669af98ea6_amadey_coinminer_elex_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_9bbd871bc3ded744e58163669af98ea6_amadey_coinminer_elex_remcos_smoke-loader.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:2140
  • C:\Windows\Syswow64\49accad8
    C:\Windows\Syswow64\49accad8
    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:1568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        49accad8

        • Path C:\Windows\SysWOW64\49accad8
        • Size 618KB
        • SHA256 e9eb43e2d0ac9ce006c26354a2c582c7b512c80eefe62ed8374914b1e85dd044
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1568-3-0x0000000000A30000-0x0000000000AB9000-memory.dmp

        memory/1568-14-0x0000000000A30000-0x0000000000AB9000-memory.dmp

        memory/1568-27-0x0000000000A30000-0x0000000000AB9000-memory.dmp

        memory/2140-0-0x00000000004C0000-0x0000000000549000-memory.dmp

        memory/2140-12-0x00000000004C0000-0x0000000000549000-memory.dmp

        memory/2140-26-0x00000000004C0000-0x0000000000549000-memory.dmp

        memory/2140-46-0x00000000004C0000-0x0000000000549000-memory.dmp