Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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, 02:19

General

  • Target
    2026-04-18_c9f53c69f409f3333d4d2694625a876e_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260418-cry13sez5w
  • SHA256 e3641126e25d2aa23ba6d153fd07f76beddaa46b4e53995a946f96ae656d6f84
  • 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_c9f53c69f409f3333d4d2694625a876e_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_c9f53c69f409f3333d4d2694625a876e_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:2720
  • C:\Windows\Syswow64\4290cbd0
    C:\Windows\Syswow64\4290cbd0
    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:1288

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        4290cbd0

        • Path C:\Windows\SysWOW64\4290cbd0
        • Size 560KB
        • SHA256 745966f03801d1f716e083f2d626821b4fadf142e98236052cb2628589c88235
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1288-3-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/1288-19-0x00000000024E0000-0x0000000002562000-memory.dmp

        memory/1288-20-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/1288-40-0x0000000000A10000-0x0000000000A9C000-memory.dmp

        memory/2720-0-0x0000000000DD0000-0x0000000000E5C000-memory.dmp

        memory/2720-18-0x0000000000DD0000-0x0000000000E5C000-memory.dmp

        memory/2720-33-0x0000000003580000-0x0000000003602000-memory.dmp