Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 11:43

General

  • Target
    2026-04-22_f0d5c50917d7c3e5a7df6db10f15e0e0_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 525KB
  • Sample260422-nvt23saw21
  • SHA256 28223e0d241bce40cabed85651791c0ab0a651e3aef23ae6ae2eec1ee8db1a2f
  • 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 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\2026-04-22_f0d5c50917d7c3e5a7df6db10f15e0e0_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_f0d5c50917d7c3e5a7df6db10f15e0e0_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:4924
  • C:\Windows\Syswow64\934e59ec
    C:\Windows\Syswow64\934e59ec
    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:2948

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        934e59ec

        • Path C:\Windows\SysWOW64\934e59ec
        • Size 525KB
        • SHA256 2d128c3cf9b30f06c5a8d9874636983bcc99859fdc95babf184ad38f5f081cd6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2948-4-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/2948-19-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/2948-24-0x00000000008B0000-0x000000000093C000-memory.dmp

        memory/4924-0-0x0000000000160000-0x00000000001EC000-memory.dmp

        memory/4924-18-0x0000000000160000-0x00000000001EC000-memory.dmp