Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 10:28

General

  • Target
    2026-08-03_a20e5782c8ef75ac2802b09b0bdc32d5_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 873KB
  • Sample260804-mhzalattet
  • SHA256 1abc6db513e16f743dbab958f4121a964e17713bb1802efaf6985f6a48f3a58b
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_a20e5782c8ef75ac2802b09b0bdc32d5_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_a20e5782c8ef75ac2802b09b0bdc32d5_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:2076
  • C:\Windows\Syswow64\1f626e68
    C:\Windows\Syswow64\1f626e68
    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:1692

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        1f626e68

        • Path C:\Windows\SysWOW64\1f626e68
        • Size 873KB
        • SHA256 b2315c66a6a23ad894ea7348b269982ee5bad21e7a38854c833ea5c6b32b74c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1692-4-0x0000000000A40000-0x0000000000ACC000-memory.dmp

        memory/1692-13-0x0000000000A40000-0x0000000000ACC000-memory.dmp

        memory/1692-26-0x0000000000A40000-0x0000000000ACC000-memory.dmp

        memory/2076-0-0x0000000000410000-0x000000000049C000-memory.dmp

        memory/2076-12-0x0000000000410000-0x000000000049C000-memory.dmp