Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 02:40

General

  • Target
    2026-06-02_c83177864df0d573019bc19278386cce_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 761KB
  • Sample260602-c55qsadv2j
  • SHA256 fc340c6094cbc64c6fb8a2e566b8cdeeaaa097bab92d390338dfba8dfc7baec7
  • MD5 SHA1 SHA512 SSDEEP TLSH

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 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\2026-06-02_c83177864df0d573019bc19278386cce_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_c83177864df0d573019bc19278386cce_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:1704
  • C:\Windows\Syswow64\42121e14
    C:\Windows\Syswow64\42121e14
    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:4984

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        42121e14

        • Path C:\Windows\SysWOW64\42121e14
        • Size 761KB
        • SHA256 3006ca174f988a689feecfd7f093bd6f7b2e0972a7ee3b6519fce9e1750ea293
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1704-0-0x00000000000C0000-0x000000000014C000-memory.dmp

        memory/1704-10-0x00000000000C0000-0x000000000014C000-memory.dmp

        memory/4984-4-0x0000000000D80000-0x0000000000E0C000-memory.dmp

        memory/4984-11-0x0000000000D80000-0x0000000000E0C000-memory.dmp

        memory/4984-26-0x0000000000D80000-0x0000000000E0C000-memory.dmp