Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/05/2026, 18:50

General

  • Target
    2026-05-25_2b620722b8e28cab8637369ed5035555_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
  • Size 830KB
  • Sample260525-xhamcaex7l
  • SHA256 d1ac7ba2acb64827c48c84ce8c2740838d3f4f1aae65d8be6c2a6dfbded2c4aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    UPX dump on OEP (original entry point) 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 8 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 17 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-25_2b620722b8e28cab8637369ed5035555_amadey_coinminer_elex_remcos_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_2b620722b8e28cab8637369ed5035555_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:728
  • C:\Windows\Syswow64\bf9e23c0
    C:\Windows\Syswow64\bf9e23c0
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        bf9e23c0

        • Path C:\Windows\SysWOW64\bf9e23c0
        • Size 830KB
        • SHA256 94721a8b376d029b4e771d530226da5eb2f2e1dbe5b4fa4ef63d9319d0bad49f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/728-0-0x0000000000E10000-0x0000000000E9C000-memory.dmp

        memory/728-12-0x0000000000E10000-0x0000000000E9C000-memory.dmp

        memory/3556-4-0x0000000000A00000-0x0000000000A8C000-memory.dmp

        memory/3556-13-0x0000000000A00000-0x0000000000A8C000-memory.dmp

        memory/3556-36-0x0000000000A00000-0x0000000000A8C000-memory.dmp