Overview

overview

10

Static

static

10

2026-09-27...op.exe

windows10-2004-x64

9

2026-09-27...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/09/2026, 04:22

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General

  • Target
    2026-09-27_77b86ef96b625f2b2335a6834c95bc57_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260928-ezfktat19l
  • SHA256 05617e49a6600c92c3a0e6544dfc6150e8d804c2cdac17cad66df637bf1d442d
  • 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 28 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
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-27_77b86ef96b625f2b2335a6834c95bc57_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-27_77b86ef96b625f2b2335a6834c95bc57_amadey_coinminer_elex_smoke-loader_stop.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5820
  • C:\Windows\Syswow64\bd19531f
    C:\Windows\Syswow64\bd19531f
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        4a9388
        • Path C:\Windows\4a9388
        • Size 1KB
        • SHA256 df278850f9a124df4b3c148c784e37d1ad816206fb12c66800d4e9492e9322b9
        • MD5 SHA1 SHA512 TLSH
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        bd19531f
        • Path C:\Windows\SysWOW64\bd19531f
        • Size 560KB
        • SHA256 1d22a853063448fe7e5c4832184b41f6eb2e020b15045bb9954d8e5cf2a6deaa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4356-4-0x0000000000900000-0x000000000098C000-memory.dmp
        Download

        memory/4356-26-0x0000000000900000-0x000000000098C000-memory.dmp
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        memory/4356-55-0x0000000000900000-0x000000000098C000-memory.dmp
        Download

        memory/5820-0-0x00000000000F0000-0x000000000017C000-memory.dmp
        Download

        memory/5820-25-0x00000000000F0000-0x000000000017C000-memory.dmp
        Download