Analysis

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

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/05/2026, 17:20

General

  • Target
    2026-05-04_8d9f047fa3836801ac70519088b59511_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 638KB
  • Sample260504-vwt7ssf191
  • SHA256 09b947496700fa4ded17a62d53c51500292c8d8e1b32273e533dfa92e643265f
  • 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 19 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\2026-05-04_8d9f047fa3836801ac70519088b59511_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-04_8d9f047fa3836801ac70519088b59511_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:712
  • C:\Windows\Syswow64\f58ac916
    C:\Windows\Syswow64\f58ac916
    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:2236

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        f58ac916

        • Path C:\Windows\SysWOW64\f58ac916
        • Size 638KB
        • SHA256 a8a18efd514d7affb388773d8d695db1cbbe5f58abb9f9784411cf9f06f68955
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/712-0-0x0000000000310000-0x000000000039C000-memory.dmp

        memory/712-12-0x0000000000310000-0x000000000039C000-memory.dmp

        memory/2236-4-0x0000000000540000-0x00000000005CC000-memory.dmp

        memory/2236-13-0x0000000000540000-0x00000000005CC000-memory.dmp

        memory/2236-33-0x0000000000540000-0x00000000005CC000-memory.dmp