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
    16/04/2026, 10:17

General

  • Target
    2026-04-16_382715af47345c3c71381388d19a8f9a_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 640KB
  • Sample260416-mble6afy6w
  • SHA256 e0f43d58da2dade040f6b4c7bac8757a91bec1507e0dcb6e4f9bb58945b3d0f8
  • 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 17 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\2026-04-16_382715af47345c3c71381388d19a8f9a_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_382715af47345c3c71381388d19a8f9a_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:1492
  • C:\Windows\Syswow64\9459c4
    C:\Windows\Syswow64\9459c4
    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:4340

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        9459c4

        • Path C:\Windows\SysWOW64\9459c4
        • Size 640KB
        • SHA256 6d811477ee9f65305bc596074c3d427661511149668c14c482a2da0cafb323cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1492-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp

        memory/1492-15-0x0000000000F40000-0x0000000000FCC000-memory.dmp

        memory/1492-33-0x0000000002ED0000-0x0000000002F52000-memory.dmp

        memory/4340-4-0x00000000004B0000-0x000000000053C000-memory.dmp

        memory/4340-16-0x0000000001E40000-0x0000000001EC2000-memory.dmp

        memory/4340-17-0x00000000004B0000-0x000000000053C000-memory.dmp

        memory/4340-40-0x00000000004B0000-0x000000000053C000-memory.dmp