Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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, 10:32

General

  • Target
    2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260804-mk2thatvaz
  • SHA256 cb319baf7c7251120c2a27db54ead9c3c9e90703aadd11de4be0fb8a6b3ca744
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_9f23c52b687ee186d27dd89151abb0af_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_9f23c52b687ee186d27dd89151abb0af_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:2648
  • C:\Windows\Syswow64\21f40b88
    C:\Windows\Syswow64\21f40b88
    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:4228

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        21f40b88

        • Path C:\Windows\SysWOW64\21f40b88
        • Size 560KB
        • SHA256 79809dd6340f101a10f43f2b82d778d0ee195b5036896e002b4f0f7e6dea07a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2648-0-0x0000000000490000-0x000000000051C000-memory.dmp

        memory/2648-18-0x0000000000490000-0x000000000051C000-memory.dmp

        memory/4228-3-0x0000000000F30000-0x0000000000FBC000-memory.dmp

        memory/4228-19-0x0000000000F30000-0x0000000000FBC000-memory.dmp

        memory/4228-30-0x0000000000F30000-0x0000000000FBC000-memory.dmp