Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 06:35

General

  • Target
    2026-10-01_a89f7be8c14bb28dd9d43f452ffe9b0c_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample261002-hcea1sshkb
  • SHA256 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 20 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 13 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_a89f7be8c14bb28dd9d43f452ffe9b0c_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_a89f7be8c14bb28dd9d43f452ffe9b0c_amadey_coinminer_elex_remcos_smoke-loader_stop.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4292
  • C:\Windows\Syswow64\4f543928
    C:\Windows\Syswow64\4f543928
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        3f23d0

        • Path C:\Windows\3f23d0
        • Size 506B
        • SHA256 d1168acbf34df5b76e82c956ece5fbfd3549cfb21746709a532d14a54269a5a7
        • MD5 SHA1 SHA512 TLSH

        4f543928

        • Path C:\Windows\SysWOW64\4f543928
        • Size 830KB
        • SHA256 df995fb26f85f5dac243d59005fa33c4b79db3e6a077ee39a8099c31ceb92717
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3688-3-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/3688-21-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/3688-40-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/4292-0-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/4292-20-0x0000000000A10000-0x0000000000A9C000-memory.dmp