Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 04:09

General

  • Target
    2026-08-16_89ae6a98f7bed15cadb6e1a49b2f33a7_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
  • Size 1.1MB
  • Sample260816-eq7ypsbb52
  • SHA256 27fc87e21994dd2474fb4465eebdb15bed7e9933fdab6aac150d39d939bbf7d9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 154.12.19.70:22011

  • 154.12.19.70:22012

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

  • Detects ValleyRAT payload 7 IoCs
  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 2 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_89ae6a98f7bed15cadb6e1a49b2f33a7_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_89ae6a98f7bed15cadb6e1a49b2f33a7_cobalt-strike_icedid_luca-stealer_njrat_satacom_stealc_vidar.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    PID:3884
  • C:\Users\Admin\AppData\Local\Temp\~tmp_44713.tmp
    C:\Users\Admin\AppData\Local\Temp\~tmp_44713.tmp
    1⤵
    • Executes dropped EXE
    PID:4916
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k KillService -s KillService
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Windows\system32\conhost.exe
      "C:\Windows\system32\conhost.exe"
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe
        3⤵
          PID:5640

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Svchost.dll

          • Path C:\ProgramData\OpenraVPN\Svchost.dll
          • Size 420KB
          • SHA256 fa49bddba584bd634f0eff9f9d0222229c75a3cb3a3865c836a4b843ef386135
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ~tmp_44713.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~tmp_44713.tmp
          • Size 41KB
          • SHA256 820f1c457d65bce3045dee53febd81af756e1684a70427a4afeb3f9e34e16ad7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1772-14-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-16-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp

          memory/1772-10-0x00000223F2880000-0x00000223F2901000-memory.dmp

          memory/1772-11-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-12-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-13-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-8-0x00000223F27F0000-0x00000223F27F1000-memory.dmp

          memory/1772-9-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-15-0x00000223F7BD0000-0x00000223F7C17000-memory.dmp

          memory/1772-18-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp

          memory/1772-17-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp

          memory/1772-21-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp

          memory/1772-22-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp

          memory/1772-23-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-24-0x00000223F42A0000-0x00000223F42C9000-memory.dmp

          memory/1772-25-0x00000223F7C20000-0x00000223F7C6D000-memory.dmp