Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/04/2026, 02:25

General

  • Target
    2026-04-24_c76d0cd0e7910ae094aa0c3bbded4d30_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 525KB
  • Sample260425-cwf13ahs2n
  • SHA256 d1f3a5fc38f3d54e400d5e2c78af7b6705892090f2b7060df63a7183ef983038
  • 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 13 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\2026-04-24_c76d0cd0e7910ae094aa0c3bbded4d30_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_c76d0cd0e7910ae094aa0c3bbded4d30_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:3428
  • C:\Windows\Syswow64\ef7b5323
    C:\Windows\Syswow64\ef7b5323
    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:1624

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ef7b5323

        • Path C:\Windows\SysWOW64\ef7b5323
        • Size 525KB
        • SHA256 c2f978701e805f42ed3846ac15959093980a3229691c05cbf6a0f3e8c416dc7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1624-4-0x0000000000330000-0x00000000003BC000-memory.dmp

        memory/1624-14-0x0000000000330000-0x00000000003BC000-memory.dmp

        memory/1624-29-0x0000000000330000-0x00000000003BC000-memory.dmp

        memory/3428-0-0x0000000000780000-0x000000000080C000-memory.dmp

        memory/3428-13-0x0000000000780000-0x000000000080C000-memory.dmp