Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 04:25

General

  • Target
    2026-04-18_6b2c24f91aa37c3e762bd0f7391814cc_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260418-e14c9sgv7z
  • SHA256 37ffb34b6f271990c3a8c2320c31f3705646ca2914688bcea06172708047e48e
  • 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 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
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_6b2c24f91aa37c3e762bd0f7391814cc_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_6b2c24f91aa37c3e762bd0f7391814cc_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:2044
  • C:\Windows\Syswow64\4cf3af38
    C:\Windows\Syswow64\4cf3af38
    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:3804

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        4cf3af38

        • Path C:\Windows\SysWOW64\4cf3af38
        • Size 560KB
        • SHA256 69093e065e41b093ee7220b9ab08ff8e43f285d3ad748f32a17fc97edab454ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2044-0-0x0000000000E20000-0x0000000000EAC000-memory.dmp

        memory/2044-18-0x0000000000E20000-0x0000000000EAC000-memory.dmp

        memory/3804-4-0x0000000000640000-0x00000000006CC000-memory.dmp

        memory/3804-19-0x0000000000640000-0x00000000006CC000-memory.dmp

        memory/3804-30-0x0000000000640000-0x00000000006CC000-memory.dmp