Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 14:25

General

  • Target
    2026-04-15_446de09c3082b494a5c263763ec5acab_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 766KB
  • Sample260415-rrbccag13q
  • SHA256 31db05deeee19f6b8a06ad486ffa0cd7c893c91e666f0914e9431911eb32a68f
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-15_446de09c3082b494a5c263763ec5acab_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_446de09c3082b494a5c263763ec5acab_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:3048
  • C:\Windows\Syswow64\fce91bda
    C:\Windows\Syswow64\fce91bda
    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:1160

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        fce91bda

        • Path C:\Windows\SysWOW64\fce91bda
        • Size 766KB
        • SHA256 5ab10469241f0d90a40b5ea86f094b8d9925c0bc18f33dfd76c745c60e5b650d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1160-3-0x0000000000200000-0x000000000028C000-memory.dmp

        memory/1160-11-0x0000000000200000-0x000000000028C000-memory.dmp

        memory/1160-29-0x0000000000200000-0x000000000028C000-memory.dmp

        memory/3048-0-0x0000000000AE0000-0x0000000000B6C000-memory.dmp

        memory/3048-10-0x0000000000AE0000-0x0000000000B6C000-memory.dmp