Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 02:09

General

  • Target
    2026-08-22_b385d5cf8b07e77baf7b329a49b878c5_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 766KB
  • Sample260823-clb95adn2x
  • SHA256 0433f0dec71d68acf64f9b80ed0c61b05e14956168ee82a7659141514809b064
  • 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 6 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
  • 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\2026-08-22_b385d5cf8b07e77baf7b329a49b878c5_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_b385d5cf8b07e77baf7b329a49b878c5_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:3664
  • C:\Windows\Syswow64\894cd600
    C:\Windows\Syswow64\894cd600
    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:4904

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        894cd600

        • Path C:\Windows\SysWOW64\894cd600
        • Size 766KB
        • SHA256 bea434993a4ca053f5aa67b0539273b8de43f1f94403b62626871f2b215e269d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3664-0-0x0000000000C20000-0x0000000000CAC000-memory.dmp

        memory/3664-10-0x0000000000C20000-0x0000000000CAC000-memory.dmp

        memory/4904-3-0x0000000000FB0000-0x000000000103C000-memory.dmp

        memory/4904-11-0x0000000000FB0000-0x000000000103C000-memory.dmp

        memory/4904-36-0x0000000000FB0000-0x000000000103C000-memory.dmp