Analysis

  • max time kernel
    150s
  • 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
    03/08/2026, 13:49

General

  • Target
    2026-08-03_e4af32ce03ac9651b2584c66e3080cc4_amadey_coinminer_elex_remcos_smoke-loader.exe
  • Size 618KB
  • Sample260803-q44c8a1cqe
  • SHA256 da60fb84c4db1f2200b3c1414244cb82c833c2621095316f000a82e60c18302f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 8 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 17 IoCs
  • UPX packed file 8 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_e4af32ce03ac9651b2584c66e3080cc4_amadey_coinminer_elex_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_e4af32ce03ac9651b2584c66e3080cc4_amadey_coinminer_elex_remcos_smoke-loader.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:4232
  • C:\Windows\Syswow64\c1012fa8
    C:\Windows\Syswow64\c1012fa8
    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:4380

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        c1012fa8

        • Path C:\Windows\SysWOW64\c1012fa8
        • Size 618KB
        • SHA256 e66f543c25ce4c114b5bae1b7c6e553239df2700408d33ab3abbff3b1ef4d607
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4232-0-0x00000000008D0000-0x0000000000959000-memory.dmp

        memory/4232-10-0x00000000008D0000-0x0000000000959000-memory.dmp

        memory/4232-33-0x00000000008D0000-0x0000000000959000-memory.dmp

        memory/4232-49-0x00000000008D0000-0x0000000000959000-memory.dmp

        memory/4380-3-0x0000000000970000-0x00000000009F9000-memory.dmp

        memory/4380-12-0x0000000000970000-0x00000000009F9000-memory.dmp

        memory/4380-34-0x0000000000970000-0x00000000009F9000-memory.dmp