Overview

overview

10

Static

static

10

2026-10-26...op.exe

windows10-2004-x64

9

2026-10-26...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 02:50

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    2026-10-26_efa3410a11fa9bfa517962ddaf76dcde_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 766KB
  • Sample261027-db4gash14x
  • SHA256 c2557d0b7614d1b37591114feb9f3492dcddc6baefefd0f54fc01509aa8e9733
  • 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 18 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\2026-10-26_efa3410a11fa9bfa517962ddaf76dcde_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_efa3410a11fa9bfa517962ddaf76dcde_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:4500
  • C:\Windows\Syswow64\efcbb424
    C:\Windows\Syswow64\efcbb424
    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:5048

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        efcbb424
        • Path C:\Windows\SysWOW64\efcbb424
        • Size 766KB
        • SHA256 ffc55be02e21dcc3acea6d6f568c7dd123148a0b842fa858d17e5a1b6f8c9d1e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4500-0-0x0000000000DD0000-0x0000000000E5C000-memory.dmp
        Download

        memory/4500-18-0x0000000000DD0000-0x0000000000E5C000-memory.dmp
        Download

        memory/5048-3-0x0000000000870000-0x00000000008FC000-memory.dmp
        Download

        memory/5048-19-0x0000000000870000-0x00000000008FC000-memory.dmp
        Download

        memory/5048-40-0x0000000000870000-0x00000000008FC000-memory.dmp
        Download