Overview

overview

10

Static

static

10

2026-04-16...op.exe

windows10-2004-x64

9

2026-04-16...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
    16/04/2026, 15:05

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General

  • Target
    2026-04-16_a6028d313b259af291a232bb43ae0c97_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 873KB
  • Sample260416-sgbe2ae181
  • SHA256 ceea5040acca4a1b9a1e808566bcaf6d4b8be71a4cf08136c56d5f05e8a4f151
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-16_a6028d313b259af291a232bb43ae0c97_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_a6028d313b259af291a232bb43ae0c97_amadey_coinminer_elex_remcos_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:5052
  • C:\Windows\Syswow64\fa257927
    C:\Windows\Syswow64\fa257927
    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:2228

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        fa257927
        • Path C:\Windows\SysWOW64\fa257927
        • Size 873KB
        • SHA256 60f6706931d7e858b7340aa6b3eee58f55ea8a28307fec68868ea9b0cb5830b6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2228-4-0x0000000000250000-0x00000000002DC000-memory.dmp
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        memory/2228-19-0x0000000000250000-0x00000000002DC000-memory.dmp
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        memory/2228-27-0x0000000000250000-0x00000000002DC000-memory.dmp
        Download

        memory/5052-0-0x0000000000680000-0x000000000070C000-memory.dmp
        Download

        memory/5052-18-0x0000000000680000-0x000000000070C000-memory.dmp
        Download