Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/09/2026, 16:57

General

  • Target
    2026-09-01_05ef98406c397ebf123f418ba2f1b600_elex_rhadamanthys_smoke-loader_stop_tofsee.exe
  • Size 1.0MB
  • Sample260903-vgmt6scl5x
  • SHA256 89144b4bde79b658b87f12a1ccd79cd6f138f14b097bc1b487eb098008bf5d62
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • systembc

C2
  • yan0212.com:4039

  • yan0212.net:4039

Signatures

  • Family: SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Executes dropped EXE 1 IoCs
  • Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound 6 IoCs

    Network activity triggered a Suricata alert

  • Looks up external IP address via web service 1 TTPs 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-01_05ef98406c397ebf123f418ba2f1b600_elex_rhadamanthys_smoke-loader_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_05ef98406c397ebf123f418ba2f1b600_elex_rhadamanthys_smoke-loader_stop_tofsee.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 484
      2⤵
      • Program crash
      PID:2464
  • C:\ProgramData\atefox\dgxirlu.exe
    C:\ProgramData\atefox\dgxirlu.exe start
    1⤵
    • Executes dropped EXE
    • Suricata alert: Tor Node X.509 Certificate Pattern Detected - Inbound
    • System Location Discovery: System Language Discovery
    PID:4328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1544 -ip 1544
    1⤵
      PID:4340

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          dgxirlu.exe

          • Path C:\ProgramData\atefox\dgxirlu.exe
          • Size 1.0MB
          • SHA256 89144b4bde79b658b87f12a1ccd79cd6f138f14b097bc1b487eb098008bf5d62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1544-2-0x00000000047D0000-0x00000000048D0000-memory.dmp

          memory/1544-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

          memory/1544-0-0x0000000000400000-0x00000000045E6000-memory.dmp

          memory/1544-4-0x00000000047D0000-0x00000000048D0000-memory.dmp

          memory/1544-7-0x0000000000400000-0x00000000045E6000-memory.dmp

          memory/1544-23-0x0000000000400000-0x00000000045E6000-memory.dmp

          memory/4328-14-0x0000000000400000-0x00000000045E6000-memory.dmp