Overview

overview

10

Static

static

10

2026-08-11...op.exe

windows10-2004-x64

9

2026-08-11...op.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/08/2026, 15:58

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General

  • Target
    2026-08-11_3a4cfcb1b88237bacdb07ed4ad7b90c3_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260811-tevassfb76
  • SHA256 655b062c1b10bd63d38b5d06c6c65df120281f727fbf3541f31fdbc20fbb062e
  • 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 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-11_3a4cfcb1b88237bacdb07ed4ad7b90c3_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-11_3a4cfcb1b88237bacdb07ed4ad7b90c3_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:5832
  • C:\Windows\Syswow64\3481766c
    C:\Windows\Syswow64\3481766c
    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:3984

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        3481766c
        • Path C:\Windows\SysWOW64\3481766c
        • Size 830KB
        • SHA256 52af35c938c7f3e0f5e1ef194af30b78c8bf98e2285a3088b428f3ed7cfcd3cb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3984-3-0x0000000000040000-0x00000000000CC000-memory.dmp
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        memory/3984-14-0x0000000000040000-0x00000000000CC000-memory.dmp
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        memory/3984-23-0x0000000000040000-0x00000000000CC000-memory.dmp
        Download

        memory/5832-0-0x0000000000780000-0x000000000080C000-memory.dmp
        Download

        memory/5832-13-0x0000000000780000-0x000000000080C000-memory.dmp
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