Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 01:01

General

  • Target
    2026-05-11_2bd239af5fac205e1b807ba3e56f1dfb_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260511-bdmkfsg14t
  • SHA256 a3444eb16222bf83faa3b0a15ae9e6f8b6031ee0cd3677eabd32ed1ed6362239
  • MD5 SHA1 SHA512 SSDEEP TLSH

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 11 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-11_2bd239af5fac205e1b807ba3e56f1dfb_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_2bd239af5fac205e1b807ba3e56f1dfb_amadey_coinminer_elex_remcos_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:2760
  • C:\Windows\Syswow64\bf545e90
    C:\Windows\Syswow64\bf545e90
    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:1664

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        bf545e90

        • Path C:\Windows\SysWOW64\bf545e90
        • Size 830KB
        • SHA256 50e8266a03648b20f19c043aac0fb7d5208b528c73001ad8622cf9101484e87e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1664-4-0x0000000000F70000-0x0000000000FFC000-memory.dmp

        memory/1664-14-0x0000000000550000-0x0000000000557000-memory.dmp

        memory/1664-16-0x0000000000F70000-0x0000000000FFC000-memory.dmp

        memory/1664-15-0x00000000012D0000-0x0000000001551000-memory.dmp

        memory/1664-44-0x0000000000F70000-0x0000000000FFC000-memory.dmp

        memory/2760-0-0x0000000000910000-0x000000000099C000-memory.dmp

        memory/2760-12-0x0000000000910000-0x000000000099C000-memory.dmp

        memory/2760-13-0x0000000000C50000-0x0000000000C57000-memory.dmp

        memory/2760-28-0x0000000002C70000-0x0000000002EF1000-memory.dmp

        memory/2760-58-0x0000000002C70000-0x0000000002EF1000-memory.dmp