Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 10:23

General

  • Target
    2026-05-28_a1c97cf087b44c4e75d902182a7b83a1_elex_redline-stealer_rhadamanthys_stealc_stop.exe
  • Size 2.9MB
  • Sample260528-merrcaev3s
  • SHA256 313bac587c5e61ccd7086d0c8177b9e909df765d975d67172ec14339bddca86e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Ardamax

    A keylogger first seen in 2013.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-28_a1c97cf087b44c4e75d902182a7b83a1_elex_redline-stealer_rhadamanthys_stealc_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-28_a1c97cf087b44c4e75d902182a7b83a1_elex_redline-stealer_rhadamanthys_stealc_stop.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\ProgramData\CDQSUR\QPU.exe
      "C:\ProgramData\CDQSUR\QPU.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2340
  • C:\ProgramData\CDQSUR\QPU.exe
    C:\ProgramData\CDQSUR\QPU.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:3768

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        QPU.00

        • Path C:\ProgramData\CDQSUR\QPU.00
        • Size 2KB
        • SHA256 f10bfd92b5dedec9582083e4e7dc4de9040b7e75bf29bf394b39580a3fbdbb8a
        • MD5 SHA1 SHA512 TLSH

        QPU.01

        • Path C:\ProgramData\CDQSUR\QPU.01
        • Size 80KB
        • SHA256 8a0771a432069d958bb235ad4e85ed167e3d3181920f44bc705401af2ea84bfd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        QPU.exe

        • Path C:\ProgramData\CDQSUR\QPU.exe
        • Size 2.5MB
        • SHA256 dc4f496a9bdb7c3248ccf2e744898bfea2a60ff3208922ce66e4dc851f51c47d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2340-26-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-28-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-40-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-39-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-20-0x0000000003390000-0x00000000033A9000-memory.dmp

        memory/2340-38-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-21-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-23-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-37-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-36-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-27-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-15-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-29-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-30-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-31-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-32-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-33-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-34-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/2340-35-0x0000000000400000-0x0000000000AAD000-memory.dmp

        memory/3396-0-0x0000000000A41000-0x0000000000A42000-memory.dmp

        memory/3396-1-0x0000000000A40000-0x0000000000D33000-memory.dmp

        memory/3396-2-0x0000000000A40000-0x0000000000D33000-memory.dmp

        memory/3396-14-0x0000000000A40000-0x0000000000D33000-memory.dmp

        memory/3768-25-0x0000000000400000-0x0000000000AAD000-memory.dmp