Overview

overview

10

Static

static

10

2026-04-17...op.exe

windows10-2004-x64

9

2026-04-17...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 15:56

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General

  • Target
    2026-04-17_4ca9c388037f52b76d5fa5a7ee32f0d6_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 638KB
  • Sample260417-tdd77aez3x
  • SHA256 e7dcd552c8979295b72c79a21f0cc2df2b7e0d2b913a07bf7b087689421bfe1e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Custom signature
    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 11 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\2026-04-17_4ca9c388037f52b76d5fa5a7ee32f0d6_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_4ca9c388037f52b76d5fa5a7ee32f0d6_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:1052
  • C:\Windows\Syswow64\616e0470
    C:\Windows\Syswow64\616e0470
    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:796

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        616e0470
        • Path C:\Windows\SysWOW64\616e0470
        • Size 638KB
        • SHA256 d0ac4b3ba4c4846e49f71765a6df237a2e490222141fab1b5bbc4747ef3f1e62
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/796-4-0x00000000008F0000-0x000000000097C000-memory.dmp
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        memory/796-11-0x00000000008F0000-0x000000000097C000-memory.dmp
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        memory/796-27-0x00000000008F0000-0x000000000097C000-memory.dmp
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        memory/1052-0-0x0000000000D80000-0x0000000000E0C000-memory.dmp
        Download

        memory/1052-10-0x0000000000D80000-0x0000000000E0C000-memory.dmp
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