Overview

overview

10

Static

static

10

2026-07-31...op.exe

windows10-2004-x64

9

2026-07-31...op.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
    31/07/2026, 04:22

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General

  • Target
    2026-07-31_9c91cc1ab2f3ae8d00b7d608ef4d4330_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 761KB
  • Sample260731-eza1bsap6z
  • SHA256 0566a9e7912c98fbdcf4bb782e6824a52e4b99c2c2ded1baa38bc600136729c2
  • 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\2026-07-31_9c91cc1ab2f3ae8d00b7d608ef4d4330_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_9c91cc1ab2f3ae8d00b7d608ef4d4330_amadey_coinminer_elex_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:5332
  • C:\Windows\Syswow64\5fff01c
    C:\Windows\Syswow64\5fff01c
    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:5380

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        5fff01c
        • Path C:\Windows\SysWOW64\5fff01c
        • Size 761KB
        • SHA256 5eb43cf6509030903a8d0e07870ebaa71991e973f854daf267b1d59339a0f511
        • MD5 SHA1 SHA512 SSDEEP TLSH
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        memory/5332-0-0x0000000000300000-0x000000000038C000-memory.dmp
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        memory/5332-10-0x0000000000300000-0x000000000038C000-memory.dmp
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        memory/5380-3-0x0000000000860000-0x00000000008EC000-memory.dmp
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        memory/5380-11-0x0000000000860000-0x00000000008EC000-memory.dmp
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        memory/5380-33-0x0000000000860000-0x00000000008EC000-memory.dmp
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