Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 21:30

General

  • Target
    2026-09-09_f58c85932b71ec76b3dcea10c4a6520f_cobalt-strike_ghostweaver_icedid_lockbit_vidar.exe
  • Size 376KB
  • Sample260910-1cj6dayvht
  • SHA256 a7b601f4d4438f890c002d2a003d0e2e7f14a2a47f3cda171b294830ff3f5f5f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

  • Detects ValleyRAT payload 8 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 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\2026-09-09_f58c85932b71ec76b3dcea10c4a6520f_cobalt-strike_ghostweaver_icedid_lockbit_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-09_f58c85932b71ec76b3dcea10c4a6520f_cobalt-strike_ghostweaver_icedid_lockbit_vidar.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Windows\System32\tracerpt.exe
      "C:\Windows\System32\tracerpt.exe"
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
          PID:472

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/4244-1-0x0000023377A60000-0x0000023377A9C000-memory.dmp

          memory/4244-2-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-3-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-4-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-5-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-9-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-10-0x0000023377DD0000-0x0000023377E12000-memory.dmp

          memory/4244-11-0x0000023377DD0000-0x0000023377E12000-memory.dmp