Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 10:46

General

  • Target
    2026-08-03_efcdf55a2701947f302a1c5e97dc8e3e_amadey_coinminer_elex_smoke-loader_stop.exe
  • Size 766KB
  • Sample260803-mvefysvdkh
  • SHA256 4fd87f9b91b7866ebad29a03b34ae33162b18335b50353782613097c24791803
  • 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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_efcdf55a2701947f302a1c5e97dc8e3e_amadey_coinminer_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_efcdf55a2701947f302a1c5e97dc8e3e_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:5716
  • C:\Windows\Syswow64\22f13864
    C:\Windows\Syswow64\22f13864
    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:4176

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        22f13864

        • Path C:\Windows\SysWOW64\22f13864
        • Size 766KB
        • SHA256 679c331b37f4698ec2b4e0498922f2585edf5e7ba428f2be58c37ef3e4fbf875
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4176-4-0x0000000000860000-0x00000000008EC000-memory.dmp

        memory/4176-11-0x0000000000860000-0x00000000008EC000-memory.dmp

        memory/4176-26-0x0000000000860000-0x00000000008EC000-memory.dmp

        memory/5716-0-0x0000000000BA0000-0x0000000000C2C000-memory.dmp

        memory/5716-10-0x0000000000BA0000-0x0000000000C2C000-memory.dmp