Overview

overview

10

Static

static

3

2026-07-05...ar.exe

windows10-2004-x64

10

2026-07-05...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 01:58

Sharing

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General

  • Target
    2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe
  • Size 7.4MB
  • Sample260705-cdt5zagv8s
  • SHA256 914eec67344c3d5389b4d8b3348deec7b7fd78b53db278cdd86d6169ceb59c21
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebackdoordefense_evasiondiscoveryvalleyrat_s2persistenceransomwarespywaretrojan

Malware Config

Extracted

Family

  • valleyrat_s2

Version

  • 1.0

C2

  • 192.253.229.177:447

  • 192.253.229.177:448

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 6.17

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

    backdoorvalleyrat_s2
  • UAC bypass 3 TTPs 2 IoCs
    defense_evasiontrojan
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 39 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 3 IoCs
    defense_evasion
  • 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

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

    ransomware
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
      "C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:5600
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /query /tn "Startup_1exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5008
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /query /tn "Startup_1exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2352
    • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\YourApp\Home Renovation Style Design Plans.pptx" /ou ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2296
  • C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
    C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:2664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 244
      2⤵
      • Program crash
      PID:2000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 2664 -ip 2664
    1⤵
      PID:992
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:960
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2524
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5616

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Home Renovation Style Design Plans.pptx
          • Path C:\Users\Admin\AppData\Local\YourApp\Home Renovation Style Design Plans.pptx
          • Size 5.9MB
          • SHA256 099abc20a43b75a1b7a77c99afa3b98cc64f0d90fd9d8d44acae9c73eb37543d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          qbcore.dll
          • Path C:\Users\Admin\AppData\Local\YourApp\qbcore.dll
          • Size 135KB
          • SHA256 b89dec15d49ef292763696466e806a2e18f69e4fb755e88a23349526fabe9fc4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          wechatweb.exe
          • Path C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
          • Size 1.1MB
          • SHA256 4aca01657684c8230b628705a7dd20fb0b047b13a8772179ca08e857f3b24801
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          资料.txt
          • Path C:\Users\Admin\AppData\Local\YourApp\资料.txt
          • Size 606KB
          • SHA256 6e61135314781405092c75008acb26fee6724ee05096d229ef968860cfad75b8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          上线信息.ini
          • Path C:\Users\Public\上线信息.ini
          • Size 27B
          • SHA256 e04175b61deb9ce926bd5e6152cb303e2600fe4a3cab254c48f05e847eda07cf
          • MD5 SHA1 SHA512
          Submit Download

          memory/2296-26-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-32-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-28-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-29-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-27-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-24-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-17-0x00007FFDE5000000-0x00007FFDE5010000-memory.dmp
          Download

          memory/2296-18-0x00007FFDE5000000-0x00007FFDE5010000-memory.dmp
          Download

          memory/2296-19-0x00007FFDE5000000-0x00007FFDE5010000-memory.dmp
          Download

          memory/2296-31-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-30-0x00007FFDE2580000-0x00007FFDE2590000-memory.dmp
          Download

          memory/2296-34-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-33-0x00007FFDE2580000-0x00007FFDE2590000-memory.dmp
          Download

          memory/2296-80-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-25-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-20-0x00007FFDE5000000-0x00007FFDE5010000-memory.dmp
          Download

          memory/2296-23-0x00007FFE24EC0000-0x00007FFE25123000-memory.dmp
          Download

          memory/2296-21-0x00007FFE2501F000-0x00007FFE25020000-memory.dmp
          Download

          memory/2296-22-0x00007FFDE5000000-0x00007FFDE5010000-memory.dmp
          Download

          memory/2524-269-0x000001898D070000-0x000001898D090000-memory.dmp
          Download

          memory/2524-283-0x000001899DC00000-0x000001899DC20000-memory.dmp
          Download

          memory/2524-250-0x000001898AE10000-0x000001898AE30000-memory.dmp
          Download

          memory/2524-237-0x00000181801E0000-0x00000181802E0000-memory.dmp
          Download

          memory/2524-252-0x000001899D250000-0x000001899D350000-memory.dmp
          Download

          memory/2524-238-0x00000181801E0000-0x00000181802E0000-memory.dmp
          Download

          memory/5600-42-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-71-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-77-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-78-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-79-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-70-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-56-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-58-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-69-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-55-0x00000000032D0000-0x000000000339D000-memory.dmp
          Download

          memory/5600-53-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-47-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-48-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5600-38-0x0000000010000000-0x000000001009F000-memory.dmp
          Download

          memory/5616-428-0x0000026DC5000000-0x0000026DC5691000-memory.dmp
          Download