Overview

overview

10

Static

static

10

2026-04-21...op.exe

windows10-2004-x64

9

2026-04-21...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 00:30

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General

  • Target
    2026-04-21_52b835fc753463f39c961e3d5294f5dd_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260422-atnxsaav21
  • SHA256 7a19a7be9eac0ea0e9eb471dbbb5d092b39e89f52ec990e4ab3c62f3c39bb094
  • 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 11 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_52b835fc753463f39c961e3d5294f5dd_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_52b835fc753463f39c961e3d5294f5dd_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:3280
  • C:\Windows\Syswow64\88f6780b
    C:\Windows\Syswow64\88f6780b
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • 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:2088

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        88f6780b
        • Path C:\Windows\SysWOW64\88f6780b
        • Size 560KB
        • SHA256 b68d92b0ce18d29255f9560285b46d41cea8629b2c795d74e08c26edade83b4f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2088-3-0x0000000000380000-0x000000000040C000-memory.dmp
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        memory/2088-19-0x0000000000380000-0x000000000040C000-memory.dmp
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        memory/2088-34-0x0000000000380000-0x000000000040C000-memory.dmp
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        memory/3280-0-0x00000000004A0000-0x000000000052C000-memory.dmp
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        memory/3280-18-0x00000000004A0000-0x000000000052C000-memory.dmp
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