Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/07/2026, 02:51

General

  • Target
    2026-07-14_e31901502c94e66f261595f1088975f6_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 560KB
  • Sample260714-db9y3se121
  • SHA256 211a9e20c4b8937b445ad08538547143430d341019de6f6be605be3da2baebbb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-14_e31901502c94e66f261595f1088975f6_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-14_e31901502c94e66f261595f1088975f6_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:5228
  • C:\Windows\Syswow64\efcdcbd8
    C:\Windows\Syswow64\efcdcbd8
    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:3528

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        efcdcbd8

        • Path C:\Windows\SysWOW64\efcdcbd8
        • Size 560KB
        • SHA256 ae0ef892d8c4bb269c8ed57b4cd6ef1c3eee5207470b18c985db9ed65191f181
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3528-3-0x0000000000460000-0x00000000004EC000-memory.dmp

        memory/3528-19-0x0000000000460000-0x00000000004EC000-memory.dmp

        memory/3528-30-0x0000000000460000-0x00000000004EC000-memory.dmp

        memory/5228-0-0x0000000000A30000-0x0000000000ABC000-memory.dmp

        memory/5228-18-0x0000000000A30000-0x0000000000ABC000-memory.dmp