Analysis
- max time kernel
12s - max time network
116s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 22:08
Behavioral task
behavioral1
Sample
SentinelClient434.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
SentinelClient434.exe
Resource
win11ltsc2024-20260709-en
General
- Target SentinelClient434.exe
- Size 80KB
- Sample260804-12qpfs1fmb
- SHA256 fc7ddf6fbf5a81760f22d07ffcf7879177d8da8a8a42b4a9763f3c893f1276d6
- MD5 004ccf68a9e44ffc21be8edb009c3309
- SHA1 1b6ccb3ddc9c9c7ada096934a84e384a5d3912e5
- SHA512 5137611da1df21074b1c36c585df16f3dc9238eae12878f3a13f36347713b58b445f34be7d22aae0104130e2c00553646cc001c3707ba4ec803bfe92e06d3662
- SSDEEP 1536:KLbBi2OkpZaodQbe0rZgbWf9yBOGvSNHZc1dbu0I+Cd64NMTI3Wr3b2:sI2Oa/bkMbuioNMTOWr3C
- TLSH T18483F8007BE9512AF2FF9F78E8B14485577BB2676A22D71E2CC8108E0623BD0DD51B76
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: SentinelRAT
SentinelRAT is a Windows remote access tool written in C#.
- Detects SentinelRAT payload 2 IoCs
resource yara_rule behavioral2/memory/3148-1-0x00000242E24A0000-0x00000242E24BA000-memory.dmp family_sentinelrat behavioral2/files/0x000600000001b815-29.dat family_sentinelrat - Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4508 powershell.exe 4408 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 4276 EpicWebHelper.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EpicWebHelper.com = "\"C:\\Users\\Admin\\AppData\\Roaming\\EpicGames\\EpicWebHelper.exe\"" SentinelClient434.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 3960 WScript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5676 schtasks.exe - Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 4508 powershell.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 3148 SentinelClient434.exe 4508 powershell.exe 4508 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3148 SentinelClient434.exe Token: SeDebugPrivilege 4508 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3148 wrote to memory of 4508 3148 SentinelClient434.exe 90 PID 3148 wrote to memory of 2396 3148 SentinelClient434.exe 92 PID 3148 wrote to memory of 5676 3148 SentinelClient434.exe 93 PID 3148 wrote to memory of 4276 3148 SentinelClient434.exe 96 - 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.
Processes
-
C:\Users\Admin\AppData\Local\Temp\SentinelClient434.exe"C:\Users\Admin\AppData\Local\Temp\SentinelClient434.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive/2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4508
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /Delete /TN "Sentinel" /F2⤵PID:2396
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /Create /SC ONLOGON /TN "Sentinel" /TR "C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe" /RL HIGHEST /F2⤵
- Scheduled Task/Job: Scheduled Task
PID:5676
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C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe"C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe"2⤵
- Executes dropped EXE
PID:4276 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive/3⤵
- Command and Scripting Interpreter: PowerShell
PID:4408
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Steam.vbs"3⤵
- Executes a VBScript file via the Windows Script Host.
PID:3960
-
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C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exeC:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe1⤵PID:4144
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Visual Basic
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 df5de984121ab9eb702c2ef1c0716750e770551b5a5551fee347941d5bdfab01
- MD5 8c274452b4cefabecd528a1214159e4a
- SHA1 59fefbf3c332bed6d778918035ad778fc2d3cad5
- SHA512 9bd08a264f82cf86abb106e99d71e24f4c93aac148ef207091e370f242e49fef2bdff11fb29d20b1b6e1001ccf746a6191f571e33772e0eedbd54b1ed1aa3102
- TLSH T1B0217633B3CC8654C899013A10CEAC1036BB87CB409E8E9B6B84D519A42F699CE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\Steam.vbs
- Size 2KB
- SHA256 349226b5cc3de1466c23ce38b82d5d8b339993c137ca673d7ba200e43de2c053
- MD5 c16b9c0a319291a5472ce112112e73fc
- SHA1 2db2c9928abd4ff9368adc5f6cfb48b5a102313e
- SHA512 57d8e3bd9230651db77b1108d546d0d0699920a8134198167f3fa3dc80e4b06c8874bda6bffd1223aecb7b142d17ed39157a5fad8ba5c2a30a0c4fcc567c58c1
- TLSH T1E3410307FC098176ACF34B796CA7714AE8932CA35B390864B2DCC5C54F32A99B5A11F9
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilpw54a1.lrp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\EpicGames\EpicWebHelper.exe
- Size 80KB
- SHA256 fc7ddf6fbf5a81760f22d07ffcf7879177d8da8a8a42b4a9763f3c893f1276d6
- MD5 004ccf68a9e44ffc21be8edb009c3309
- SHA1 1b6ccb3ddc9c9c7ada096934a84e384a5d3912e5
- SHA512 5137611da1df21074b1c36c585df16f3dc9238eae12878f3a13f36347713b58b445f34be7d22aae0104130e2c00553646cc001c3707ba4ec803bfe92e06d3662
- SSDEEP 1536:KLbBi2OkpZaodQbe0rZgbWf9yBOGvSNHZc1dbu0I+Cd64NMTI3Wr3b2:sI2Oa/bkMbuioNMTOWr3C
- TLSH T18483F8007BE9512AF2FF9F78E8B14485577BB2676A22D71E2CC8108E0623BD0DD51B76
- MD5 SHA1 SHA512 SSDEEP TLSH