Overview

overview

10

Static

static

10

2026-04-23...op.exe

windows10-2004-x64

9

2026-04-23...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/04/2026, 07:28

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General

  • Target
    2026-04-23_fe9648224de052a47d04d9f395da15b1_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 640KB
  • Sample260423-ja7efsd18y
  • SHA256 a8d4d6de5ccb8899e7570687f4c0ccd0b4b179ed76b338783cea24d43d2b443a
  • 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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_fe9648224de052a47d04d9f395da15b1_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_fe9648224de052a47d04d9f395da15b1_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:4844
  • C:\Windows\Syswow64\85884292
    C:\Windows\Syswow64\85884292
    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:4424

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        85884292
        • Path C:\Windows\SysWOW64\85884292
        • Size 640KB
        • SHA256 5ecf84a29a13c775d580438f7dcdb22df9a613854e9bb81803fa81764cd22482
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4424-4-0x0000000000420000-0x00000000004AC000-memory.dmp
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        memory/4424-11-0x0000000000420000-0x00000000004AC000-memory.dmp
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        memory/4424-16-0x0000000000420000-0x00000000004AC000-memory.dmp
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        memory/4844-0-0x00000000005E0000-0x000000000066C000-memory.dmp
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        memory/4844-10-0x00000000005E0000-0x000000000066C000-memory.dmp
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