Overview

overview

10

Static

static

10

2026-07-21...er.exe

windows10-2004-x64

9

2026-07-21...er.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 18:28

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General

  • Target
    2026-07-21_13e7d162a7415ebfb497e825c83078da_amadey_coinminer_elex_remcos_smoke-loader.exe
  • Size 618KB
  • Sample260721-w4svdagn21
  • SHA256 da95578f4d7a0e686809466fae1a19c06a56e67f4f743fe0014a119d0d125a58
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 9 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 5 IoCs
  • UPX packed file 9 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-21_13e7d162a7415ebfb497e825c83078da_amadey_coinminer_elex_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-21_13e7d162a7415ebfb497e825c83078da_amadey_coinminer_elex_remcos_smoke-loader.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:4920
  • C:\Windows\Syswow64\bcc9b273
    C:\Windows\Syswow64\bcc9b273
    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:4208

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        bcc9b273
        • Path C:\Windows\SysWOW64\bcc9b273
        • Size 618KB
        • SHA256 04a2b8256e241bba5a2f9358f1f29adf064a799747506690e13d1c159394828b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4208-4-0x0000000000650000-0x00000000006D9000-memory.dmp
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        memory/4208-12-0x0000000000650000-0x00000000006D9000-memory.dmp
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        memory/4208-26-0x0000000000650000-0x00000000006D9000-memory.dmp
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        memory/4920-0-0x0000000000320000-0x00000000003A9000-memory.dmp
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        memory/4920-10-0x0000000000320000-0x00000000003A9000-memory.dmp
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        memory/4920-25-0x0000000000320000-0x00000000003A9000-memory.dmp
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        memory/4920-35-0x0000000000320000-0x00000000003A9000-memory.dmp
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        memory/4920-45-0x0000000000320000-0x00000000003A9000-memory.dmp
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