Overview

overview

10

Static

static

10

2026-08-05...op.exe

windows10-2004-x64

9

2026-08-05...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 06:59

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General

  • Target
    2026-08-05_5d28c0915deb1939eee2055de0b8177d_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 873KB
  • Sample260805-hsb6la1drc
  • SHA256 05217eab42a2c4a7b6cfd15ab029c8d5cbf71ea82af6c990145daa9e3bfc0504
  • 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\2026-08-05_5d28c0915deb1939eee2055de0b8177d_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_5d28c0915deb1939eee2055de0b8177d_amadey_coinminer_elex_remcos_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:2912
  • C:\Windows\Syswow64\6edfb7a8
    C:\Windows\Syswow64\6edfb7a8
    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:4640

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        6edfb7a8
        • Path C:\Windows\SysWOW64\6edfb7a8
        • Size 873KB
        • SHA256 3e9f891b7e1ea984272f75ad87cf4a2e69232b5479f3a39d27cb58b6a64a7778
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2912-0-0x00000000005D0000-0x000000000065C000-memory.dmp
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        memory/2912-18-0x00000000005D0000-0x000000000065C000-memory.dmp
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        memory/4640-3-0x00000000002B0000-0x000000000033C000-memory.dmp
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        memory/4640-19-0x00000000002B0000-0x000000000033C000-memory.dmp
        Download

        memory/4640-34-0x00000000002B0000-0x000000000033C000-memory.dmp
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