Overview

overview

10

Static

static

10

2026-08-10...op.exe

windows10-2004-x64

9

2026-08-10...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 04:28

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General

  • Target
    2026-08-10_8a6a12c5c2203ea81baf7e04382abcec_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260810-e3y7bs1dpa
  • SHA256 c745cc72618ccaa18ac6b74f833d802cb1be9cb813f98c6588aa89a87a526474
  • 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\2026-08-10_8a6a12c5c2203ea81baf7e04382abcec_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_8a6a12c5c2203ea81baf7e04382abcec_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:4900
  • C:\Windows\Syswow64\bf90474
    C:\Windows\Syswow64\bf90474
    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:4660

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        bf90474
        • Path C:\Windows\SysWOW64\bf90474
        • Size 830KB
        • SHA256 70ac5a162caea4160c77f9e4c2c1c1b6588f86417a278ca18edadc01a23c04fb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4660-4-0x0000000000110000-0x000000000019C000-memory.dmp
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        memory/4660-11-0x0000000000110000-0x000000000019C000-memory.dmp
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        memory/4660-28-0x0000000000110000-0x000000000019C000-memory.dmp
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        memory/4900-0-0x0000000000D50000-0x0000000000DDC000-memory.dmp
        Download

        memory/4900-10-0x0000000000D50000-0x0000000000DDC000-memory.dmp
        Download