Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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, 07:10

General

  • Target
    2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 761KB
  • Sample260804-hzh8gsfa38
  • SHA256 87f21502bd1340ad3295485bca7b3ee590c78b781756a7d5cad6658a734ce8e9
  • 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 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
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_5b4609bee5254d38c1a71ca0d60c6b2b_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:3008
  • C:\Windows\Syswow64\f91fce84
    C:\Windows\Syswow64\f91fce84
    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:4136

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        f91fce84

        • Path C:\Windows\SysWOW64\f91fce84
        • Size 761KB
        • SHA256 91bcc760b0467a23b95126b08ccb65b98a9eff0cae8e2abdc7f90ee957887940
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3008-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp

        memory/3008-10-0x0000000000C10000-0x0000000000C9C000-memory.dmp

        memory/4136-3-0x0000000000D80000-0x0000000000E0C000-memory.dmp

        memory/4136-11-0x0000000000D80000-0x0000000000E0C000-memory.dmp

        memory/4136-36-0x0000000000D80000-0x0000000000E0C000-memory.dmp