Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 09:18

General

  • Target
    2026-08-03_e05c016aa825707af50d91a7385690e3_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 766KB
  • Sample260804-k9vqdagg25
  • SHA256 fe85927216e20b1866e87e984e2b9a90a0b391bf9cc5e1c42fe1a5def96c1898
  • 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 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 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
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_e05c016aa825707af50d91a7385690e3_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_e05c016aa825707af50d91a7385690e3_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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5880
  • C:\Windows\Syswow64\9cf7e7bc
    C:\Windows\Syswow64\9cf7e7bc
    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:988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        10ea38

        • Path C:\Windows\10ea38
        • Size 900B
        • SHA256 9c7f4f973999967fbae828b037286de665672f74e7584f971c3fa6af87aa33d4
        • MD5 SHA1 SHA512 TLSH

        9cf7e7bc

        • Path C:\Windows\SysWOW64\9cf7e7bc
        • Size 766KB
        • SHA256 a2243247836860b9faf5f5fef6a25c682c8dda2304fc6d2c92c251faab709343
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/988-3-0x0000000000E90000-0x0000000000F1C000-memory.dmp

        memory/988-21-0x0000000000E90000-0x0000000000F1C000-memory.dmp

        memory/988-45-0x0000000000E90000-0x0000000000F1C000-memory.dmp

        memory/5880-0-0x0000000000B60000-0x0000000000BEC000-memory.dmp

        memory/5880-20-0x0000000000B60000-0x0000000000BEC000-memory.dmp