Overview

overview

10

Static

static

10

2026-09-28...op.exe

windows10-2004-x64

9

2026-09-28...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
    28/09/2026, 14:45

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General

  • Target
    2026-09-28_76fa1c14b4fc2b47ba64c5e225d79f16_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260928-r4vxhsxvbv
  • SHA256 bbcd191133e7312be8a3796528f326ff1eb5b53545a843e0192be26f29c4f3ea
  • 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 23 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\2026-09-28_76fa1c14b4fc2b47ba64c5e225d79f16_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-28_76fa1c14b4fc2b47ba64c5e225d79f16_amadey_coinminer_elex_remcos_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:1808
  • C:\Windows\Syswow64\adc1f20a
    C:\Windows\Syswow64\adc1f20a
    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:4624

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        adc1f20a
        • Path C:\Windows\SysWOW64\adc1f20a
        • Size 830KB
        • SHA256 4580ef537a330c13c67586a24a03e601772df5600ff97fdfebe4e757c0df8256
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1808-0-0x00000000007C0000-0x000000000084C000-memory.dmp
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        memory/1808-18-0x00000000007C0000-0x000000000084C000-memory.dmp
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        memory/4624-4-0x0000000000DF0000-0x0000000000E7C000-memory.dmp
        Download

        memory/4624-19-0x0000000000DF0000-0x0000000000E7C000-memory.dmp
        Download

        memory/4624-42-0x0000000000DF0000-0x0000000000E7C000-memory.dmp
        Download