Overview

overview

10

Static

static

10

2026-08-22...op.exe

windows10-2004-x64

9

2026-08-22...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 04:27

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General

  • Target
    2026-08-22_400b5ac7fea2da10488368a7818a95be_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 576KB
  • Sample260822-e2417aeq5s
  • SHA256 efb00e75f1d18539e8a8194d2fc1b97567e89011f04950f5ac3838c7410020f7
  • 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 8 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 13 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\2026-08-22_400b5ac7fea2da10488368a7818a95be_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-22_400b5ac7fea2da10488368a7818a95be_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:4356
  • C:\Windows\Syswow64\e5164bf8
    C:\Windows\Syswow64\e5164bf8
    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:4120

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        e5164bf8
        • Path C:\Windows\SysWOW64\e5164bf8
        • Size 576KB
        • SHA256 59add36eb82797058bef94965d096c65c197b8587a7267114468e74aae92b1e6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4120-4-0x0000000000E90000-0x0000000000F1C000-memory.dmp
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        memory/4120-17-0x0000000000E90000-0x0000000000F1C000-memory.dmp
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        memory/4120-34-0x0000000000E90000-0x0000000000F1C000-memory.dmp
        Download

        memory/4356-0-0x0000000000850000-0x00000000008DC000-memory.dmp
        Download

        memory/4356-16-0x0000000000850000-0x00000000008DC000-memory.dmp
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