Overview

overview

10

Static

static

10

2026-10-31...op.exe

windows10-2004-x64

9

2026-10-31...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
    01/11/2026, 21:14

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General

  • Target
    2026-10-31_b446d06b9ba399a33ffe2b5aa5b175d4_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample261101-z3b21syscs
  • SHA256 08abfc8a436d7b69cd2b15ff32a6e1ff1626c8371d73a6a79c342f2e7f9fea36
  • 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 24 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-31_b446d06b9ba399a33ffe2b5aa5b175d4_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-31_b446d06b9ba399a33ffe2b5aa5b175d4_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:2604
  • C:\Windows\Syswow64\b0b87557
    C:\Windows\Syswow64\b0b87557
    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:5256

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        b0b87557
        • Path C:\Windows\SysWOW64\b0b87557
        • Size 560KB
        • SHA256 052effe90d5fe0d14076eedd4f06b4a649e4138e8513791d2c223907361eb748
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2604-0-0x0000000000580000-0x000000000060C000-memory.dmp
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        memory/2604-18-0x0000000000580000-0x000000000060C000-memory.dmp
        Download

        memory/5256-3-0x00000000003A0000-0x000000000042C000-memory.dmp
        Download

        memory/5256-19-0x00000000003A0000-0x000000000042C000-memory.dmp
        Download

        memory/5256-42-0x00000000003A0000-0x000000000042C000-memory.dmp
        Download