Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 17:55

General

  • Target
    2026-08-31_81bdf4f9198876254ca2de0ec35e2038_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260831-whreeszxcx
  • SHA256 2c3a9701a9c910b6280a08590859e017d3e8ec3c863fb5eb1ae2d24c549d79a0
  • 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 6 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
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-31_81bdf4f9198876254ca2de0ec35e2038_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-31_81bdf4f9198876254ca2de0ec35e2038_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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4220
  • C:\Windows\Syswow64\d494d3dc
    C:\Windows\Syswow64\d494d3dc
    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:2572

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d494d3dc

        • Path C:\Windows\SysWOW64\d494d3dc
        • Size 560KB
        • SHA256 fde1621d0f24911ba649df15eadc5a70729e1fe590cd9b65e3d8f0c6a3c34f75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2572-3-0x0000000000870000-0x00000000008FC000-memory.dmp

        memory/2572-11-0x0000000000870000-0x00000000008FC000-memory.dmp

        memory/2572-32-0x0000000000870000-0x00000000008FC000-memory.dmp

        memory/4220-0-0x00000000006D0000-0x000000000075C000-memory.dmp

        memory/4220-10-0x00000000006D0000-0x000000000075C000-memory.dmp