Overview

overview

10

Static

static

10

2026-08-21...op.exe

windows10-2004-x64

9

2026-08-21...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 04:27

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General

  • Target
    2026-08-21_69e18a3be745ae85e280f839905b4e63_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260821-e273vahf29
  • SHA256 5d0fbb66e67cbfab4cd61bd08304a44aedb39f4ddd4d7d5cddb8dc0ccdc2c944
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

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.

    upx
  • 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.

    discovery
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_69e18a3be745ae85e280f839905b4e63_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_69e18a3be745ae85e280f839905b4e63_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:3804
  • C:\Windows\Syswow64\86a7dfd2
    C:\Windows\Syswow64\86a7dfd2
    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:6008

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        86a7dfd2
        • Path C:\Windows\SysWOW64\86a7dfd2
        • Size 560KB
        • SHA256 fe99b85ebff3d0d7a75022876e1d5934f18d27b6119fd0b2f49b2e0ee669ac17
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3804-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp
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        memory/3804-13-0x0000000000AC0000-0x0000000000B4C000-memory.dmp
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        memory/6008-3-0x0000000000FE0000-0x000000000106C000-memory.dmp
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        memory/6008-14-0x0000000000FE0000-0x000000000106C000-memory.dmp
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        memory/6008-34-0x0000000000FE0000-0x000000000106C000-memory.dmp
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