Analysis
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max time kernel
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max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 16:10
General
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Target
Umbra1l.exe
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Size
229KB
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MD5
d4b3962331fd69d60450d4bf2a4e082d
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SHA1
e0f0a331505e6a6d33886a450365d1412d34ba19
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SHA256
6a426a8c30989c1f079a3d13b675eb1cd0c888d353a97e0233c8786fb3c2ab86
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SHA512
1273506c488bec41bb3e7da428825a7d39d067a25de8b52a8408623614cdc8894b4a3cfaf1004ec686ceae647224ef3b9021149303b76b5b1266103e6ac0f200
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SSDEEP
6144:tloZMmrIkd8g+EtXHkv/iD44zOjlTwk7diTlwsJgbb8e1mci:voZ1L+EP84zOjlTwk7diTlwsJim
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/1048-1-0x000001D3FBB50000-0x000001D3FBB90000-memory.dmp family_umbral -
Umbral family
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Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4356 powershell.exe 4020 powershell.exe 2740 powershell.exe 624 powershell.exe -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts Umbra1l.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 27 discord.com 28 discord.com -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 ip-api.com -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4476 wmic.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1048 Umbra1l.exe 4356 powershell.exe 4356 powershell.exe 4020 powershell.exe 4020 powershell.exe 2740 powershell.exe 2740 powershell.exe 3304 powershell.exe 3304 powershell.exe 624 powershell.exe 624 powershell.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1868 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 1048 Umbra1l.exe Token: SeIncreaseQuotaPrivilege 3108 wmic.exe Token: SeSecurityPrivilege 3108 wmic.exe Token: SeTakeOwnershipPrivilege 3108 wmic.exe Token: SeLoadDriverPrivilege 3108 wmic.exe Token: SeSystemProfilePrivilege 3108 wmic.exe Token: SeSystemtimePrivilege 3108 wmic.exe Token: SeProfSingleProcessPrivilege 3108 wmic.exe Token: SeIncBasePriorityPrivilege 3108 wmic.exe Token: SeCreatePagefilePrivilege 3108 wmic.exe Token: SeBackupPrivilege 3108 wmic.exe Token: SeRestorePrivilege 3108 wmic.exe Token: SeShutdownPrivilege 3108 wmic.exe Token: SeDebugPrivilege 3108 wmic.exe Token: SeSystemEnvironmentPrivilege 3108 wmic.exe Token: SeRemoteShutdownPrivilege 3108 wmic.exe Token: SeUndockPrivilege 3108 wmic.exe Token: SeManageVolumePrivilege 3108 wmic.exe Token: 33 3108 wmic.exe Token: 34 3108 wmic.exe Token: 35 3108 wmic.exe Token: 36 3108 wmic.exe Token: SeIncreaseQuotaPrivilege 3108 wmic.exe Token: SeSecurityPrivilege 3108 wmic.exe Token: SeTakeOwnershipPrivilege 3108 wmic.exe Token: SeLoadDriverPrivilege 3108 wmic.exe Token: SeSystemProfilePrivilege 3108 wmic.exe Token: SeSystemtimePrivilege 3108 wmic.exe Token: SeProfSingleProcessPrivilege 3108 wmic.exe Token: SeIncBasePriorityPrivilege 3108 wmic.exe Token: SeCreatePagefilePrivilege 3108 wmic.exe Token: SeBackupPrivilege 3108 wmic.exe Token: SeRestorePrivilege 3108 wmic.exe Token: SeShutdownPrivilege 3108 wmic.exe Token: SeDebugPrivilege 3108 wmic.exe Token: SeSystemEnvironmentPrivilege 3108 wmic.exe Token: SeRemoteShutdownPrivilege 3108 wmic.exe Token: SeUndockPrivilege 3108 wmic.exe Token: SeManageVolumePrivilege 3108 wmic.exe Token: 33 3108 wmic.exe Token: 34 3108 wmic.exe Token: 35 3108 wmic.exe Token: 36 3108 wmic.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4020 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeIncreaseQuotaPrivilege 4588 wmic.exe Token: SeSecurityPrivilege 4588 wmic.exe Token: SeTakeOwnershipPrivilege 4588 wmic.exe Token: SeLoadDriverPrivilege 4588 wmic.exe Token: SeSystemProfilePrivilege 4588 wmic.exe Token: SeSystemtimePrivilege 4588 wmic.exe Token: SeProfSingleProcessPrivilege 4588 wmic.exe Token: SeIncBasePriorityPrivilege 4588 wmic.exe Token: SeCreatePagefilePrivilege 4588 wmic.exe Token: SeBackupPrivilege 4588 wmic.exe Token: SeRestorePrivilege 4588 wmic.exe Token: SeShutdownPrivilege 4588 wmic.exe Token: SeDebugPrivilege 4588 wmic.exe Token: SeSystemEnvironmentPrivilege 4588 wmic.exe Token: SeRemoteShutdownPrivilege 4588 wmic.exe Token: SeUndockPrivilege 4588 wmic.exe Token: SeManageVolumePrivilege 4588 wmic.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe 1868 taskmgr.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1048 wrote to memory of 3108 1048 Umbra1l.exe 86 PID 1048 wrote to memory of 3108 1048 Umbra1l.exe 86 PID 1048 wrote to memory of 4356 1048 Umbra1l.exe 91 PID 1048 wrote to memory of 4356 1048 Umbra1l.exe 91 PID 1048 wrote to memory of 4020 1048 Umbra1l.exe 93 PID 1048 wrote to memory of 4020 1048 Umbra1l.exe 93 PID 1048 wrote to memory of 2740 1048 Umbra1l.exe 95 PID 1048 wrote to memory of 2740 1048 Umbra1l.exe 95 PID 1048 wrote to memory of 3304 1048 Umbra1l.exe 97 PID 1048 wrote to memory of 3304 1048 Umbra1l.exe 97 PID 1048 wrote to memory of 4588 1048 Umbra1l.exe 102 PID 1048 wrote to memory of 4588 1048 Umbra1l.exe 102 PID 1048 wrote to memory of 2628 1048 Umbra1l.exe 105 PID 1048 wrote to memory of 2628 1048 Umbra1l.exe 105 PID 1048 wrote to memory of 4460 1048 Umbra1l.exe 107 PID 1048 wrote to memory of 4460 1048 Umbra1l.exe 107 PID 1048 wrote to memory of 624 1048 Umbra1l.exe 109 PID 1048 wrote to memory of 624 1048 Umbra1l.exe 109 PID 1048 wrote to memory of 4476 1048 Umbra1l.exe 111 PID 1048 wrote to memory of 4476 1048 Umbra1l.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\Umbra1l.exe"C:\Users\Admin\AppData\Local\Temp\Umbra1l.exe"1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3108
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Umbra1l.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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 22⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4588
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:2628
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:4460
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:624
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:4476
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
948B
MD5966914e2e771de7a4a57a95b6ecfa8a9
SHA17a32282fd51dd032967ed4d9a40cc57e265aeff2
SHA25698d3c70d7004fa807897317bd6cd3e977b9b6c72d4d2565aca0f9f8b1c315cba
SHA512dc39c7124a9c7c8d4c7e8e16290c46360b8d9a8f4e43edaacbbeb09bdcf20159a53db54d2b322372001b6a3de52b2f88e9088b5fdbc7638816ae0d122bb015f5
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Filesize
1KB
MD5548dd08570d121a65e82abb7171cae1c
SHA11a1b5084b3a78f3acd0d811cc79dbcac121217ab
SHA256cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc
SHA51237b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b
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Filesize
1KB
MD53462e3d4a965ec2a28a4d97549a4b6af
SHA188d94753921c27d52069aca4bbcac429a40d618d
SHA256ff21545a780bb731a4034b5a1c32994ac9932d829e0c9f07e6ecde5a8f3cc4f2
SHA512c8bf83dc4cae64b0a51bb8ea00a8df05c1e7d70161f30ea8e5f341598b8d1453e93d6d29aa9fe5053af768df881c8e48f86bf8d8508e958620e490fd5ded6d5e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82