Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/04/2026, 11:41

General

  • Target
    2d719453907952864e2ea1d8f294eb8c19a12b5bffbab84ba9eda8b069d72f05.exe
  • Size 130KB
  • Sample260429-ntldjsa16t
  • SHA256 2d719453907952864e2ea1d8f294eb8c19a12b5bffbab84ba9eda8b069d72f05
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

  • Detects ValleyRAT payload 7 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 use of SetWindowsHookEx 1 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\2d719453907952864e2ea1d8f294eb8c19a12b5bffbab84ba9eda8b069d72f05.exe
    "C:\Users\Admin\AppData\Local\Temp\2d719453907952864e2ea1d8f294eb8c19a12b5bffbab84ba9eda8b069d72f05.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4720

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4720-2-0x0000000002BD0000-0x0000000002C1E000-memory.dmp

        memory/4720-1-0x0000000002BD0000-0x0000000002C1E000-memory.dmp

        memory/4720-0-0x0000000002870000-0x00000000028B7000-memory.dmp

        memory/4720-3-0x0000000002BD0000-0x0000000002C1E000-memory.dmp

        memory/4720-4-0x0000000002BD0000-0x0000000002C1E000-memory.dmp

        memory/4720-5-0x0000000002BD0000-0x0000000002C1E000-memory.dmp

        memory/4720-6-0x0000000002BD0000-0x0000000002C1E000-memory.dmp