Overview

overview

7

Static

static

3

2026-09-26...op.exe

windows10-2004-x64

7

2026-09-26...op.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    26/09/2026, 16:07

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General

  • Target
    2026-09-26_b771004533865d03a1071121072b973b_amadey_coinminer_elex_graphican_remcos_rhadamanthys_smoke-loader_stop.exe
  • Size 419KB
  • Sample260926-tkxccafa38
  • SHA256 77af83c348aa0c2f2a916a1ccaaad066381a2c25c36a2ef8d8265999103b509b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 20 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 13 IoCs
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-26_b771004533865d03a1071121072b973b_amadey_coinminer_elex_graphican_remcos_rhadamanthys_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-26_b771004533865d03a1071121072b973b_amadey_coinminer_elex_graphican_remcos_rhadamanthys_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:4680
  • C:\Windows\Syswow64\ef53f994
    C:\Windows\Syswow64\ef53f994
    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:4284

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        ef53f994
        • Path C:\Windows\SysWOW64\ef53f994
        • Size 419KB
        • SHA256 5bbe8cb0bd1c9f739551bd63a9c004d2e8e36d8f0f36da9bb7d38904bd0cd2e2
        • MD5 SHA1 SHA512 SSDEEP TLSH
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