Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 12:12

General

  • Target
    2026-08-03_2824b7d2c92209ec9209b57d8fb4e0e3_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 560KB
  • Sample260803-pc72naxbpg
  • SHA256 56884e410e8a29e6dfca73344e83f325090627f6b009dfe77c6011cbbf004744
  • 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 11 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\2026-08-03_2824b7d2c92209ec9209b57d8fb4e0e3_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_2824b7d2c92209ec9209b57d8fb4e0e3_amadey_coinminer_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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:2608
  • C:\Windows\Syswow64\f3fdc210
    C:\Windows\Syswow64\f3fdc210
    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:420
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:572

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          f3fdc210

          • Path C:\Windows\SysWOW64\f3fdc210
          • Size 560KB
          • SHA256 ac00a658cd0272e1f32af09797cf7a9583e0dc13d36026e6112a6132c967a00e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/420-3-0x0000000000FB0000-0x000000000103C000-memory.dmp

          memory/420-11-0x0000000000FB0000-0x000000000103C000-memory.dmp

          memory/420-24-0x0000000000FB0000-0x000000000103C000-memory.dmp

          memory/2608-0-0x0000000000890000-0x000000000091C000-memory.dmp

          memory/2608-10-0x0000000000890000-0x000000000091C000-memory.dmp