Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/05/2026, 00:55

General

  • Target
    2026-05-18_05b0fb0d41ba22b73c4d84d61caa00c4_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 640KB
  • Sample260518-a949psew3t
  • SHA256 ecd734b0b268dc39f530cf5ea543a36cb595c0cef8e72bc4e03414c3d89d598c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Custom signature
    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 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\2026-05-18_05b0fb0d41ba22b73c4d84d61caa00c4_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-18_05b0fb0d41ba22b73c4d84d61caa00c4_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:732
  • C:\Windows\Syswow64\cd54748e
    C:\Windows\Syswow64\cd54748e
    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:5112

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        cd54748e

        • Path C:\Windows\SysWOW64\cd54748e
        • Size 640KB
        • SHA256 84b923864aa50b7de8b9da640ccd33464629f6f85ad7aeff4e75dc5ea601815f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/732-0-0x0000000000A20000-0x0000000000AAC000-memory.dmp

        memory/732-10-0x0000000000A20000-0x0000000000AAC000-memory.dmp

        memory/5112-4-0x00000000005B0000-0x000000000063C000-memory.dmp

        memory/5112-11-0x00000000005B0000-0x000000000063C000-memory.dmp

        memory/5112-30-0x00000000005B0000-0x000000000063C000-memory.dmp