Overview

overview

10

Static

static

10

2026-08-12...op.exe

windows10-2004-x64

9

2026-08-12...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/08/2026, 03:43

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General

  • Target
    2026-08-12_359327754b1028e66da11342fc13df5f_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 525KB
  • Sample260812-eaachaad25
  • SHA256 1a733d14884e75e771c44c81d53210a5f8522d3b84281151a0c81213062dbbfa
  • 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 13 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\2026-08-12_359327754b1028e66da11342fc13df5f_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_359327754b1028e66da11342fc13df5f_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:4712
  • C:\Windows\Syswow64\a26d489c
    C:\Windows\Syswow64\a26d489c
    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:5912

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        a26d489c
        • Path C:\Windows\SysWOW64\a26d489c
        • Size 525KB
        • SHA256 79fbfbfba7fb75984fa65fb358903cb91e8b246f11c544d65b7254ff665e46e2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4712-0-0x00000000008F0000-0x000000000097C000-memory.dmp
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        memory/4712-16-0x00000000008F0000-0x000000000097C000-memory.dmp
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        memory/5912-4-0x00000000007E0000-0x000000000086C000-memory.dmp
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        memory/5912-17-0x00000000007E0000-0x000000000086C000-memory.dmp
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        memory/5912-30-0x00000000007E0000-0x000000000086C000-memory.dmp
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