Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/06/2026, 22:08

General

  • Target
    2026-06-06_f4e768943182ff6370554c2f0dd20ad1_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260606-12m9bsdt21
  • SHA256 316ae88ed60776f11ef425e78f59ab7156315532265e50a1abef37c7f87a7021
  • 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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-06_f4e768943182ff6370554c2f0dd20ad1_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-06_f4e768943182ff6370554c2f0dd20ad1_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:2508
  • C:\Windows\Syswow64\ca421f16
    C:\Windows\Syswow64\ca421f16
    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:1252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ca421f16

        • Path C:\Windows\SysWOW64\ca421f16
        • Size 560KB
        • SHA256 dd2e9925354a6618fc1eec9d24afe75eb02ac9d9a5a8a39e4abcc2d553cf2ad7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1252-3-0x0000000000840000-0x00000000008CC000-memory.dmp

        memory/1252-11-0x0000000000840000-0x00000000008CC000-memory.dmp

        memory/1252-16-0x0000000000840000-0x00000000008CC000-memory.dmp

        memory/2508-0-0x0000000000650000-0x00000000006DC000-memory.dmp

        memory/2508-10-0x0000000000650000-0x00000000006DC000-memory.dmp