Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 08:13

General

  • Target
    2026-08-19_85a50f04129fd4dcba2c8add912b5135_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 640KB
  • Sample260819-j4e73azfne
  • SHA256 00d10f08f5ffc7f9ca32871852cc80fb952a4068289e56f1c22840cd9454f028
  • 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 4 IoCs

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

  • Drops file in System32 directory 17 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\2026-08-19_85a50f04129fd4dcba2c8add912b5135_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_85a50f04129fd4dcba2c8add912b5135_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:856
  • C:\Windows\Syswow64\3bff831
    C:\Windows\Syswow64\3bff831
    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:5360

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        3bff831

        • Path C:\Windows\SysWOW64\3bff831
        • Size 640KB
        • SHA256 612f3289e61e1015ac9a30a7be71e292a3aaf4db1ae811120ef4dc73ad4d524b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/856-0-0x0000000000660000-0x00000000006EC000-memory.dmp

        memory/856-10-0x0000000000660000-0x00000000006EC000-memory.dmp

        memory/5360-3-0x00000000004F0000-0x000000000057C000-memory.dmp

        memory/5360-11-0x00000000004F0000-0x000000000057C000-memory.dmp

        memory/5360-33-0x00000000004F0000-0x000000000057C000-memory.dmp