Analysis
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max time kernel
61s -
max time network
64s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 09:08
General
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Target
clean.exe
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Size
229KB
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MD5
afc4798057dd3b9a73225e98546c6e72
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SHA1
af1a74d8c7be3f1f95fd9e7d6ebfad0fdd105645
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SHA256
ec4b26011b3dbc1ee514189ca764e73ce7c2acc7a7f6e9cfa8190c8151484ab7
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SHA512
577469a498352b6557941cd9db8ef13711758870b6fa385ae9b9eaec3ad0b786ec6c50a4413d786a75c1af1e5bf3b2673bc8aacb71d539a70ae116ea4bc27ef8
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SSDEEP
6144:lloZM9rIkd8g+EtXHkv/iD4lSHJxfEY3umfh8Iti+b8e1m+di:noZmL+EP8lSHJxfEY3umfh8ItZF0
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral1/memory/3552-1-0x0000011085C60000-0x0000011085CA0000-memory.dmp family_umbral -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2532 powershell.exe -
Reads user/profile data of web browsers 2 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 21 discord.com 22 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 7 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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 780 wmic.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2236 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3552 clean.exe 2532 powershell.exe 2532 powershell.exe 4204 powershell.exe 4204 powershell.exe 2124 powershell.exe 2124 powershell.exe 4792 powershell.exe 4792 powershell.exe 4328 powershell.exe 4328 powershell.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3552 clean.exe Token: SeIncreaseQuotaPrivilege 5104 wmic.exe Token: SeSecurityPrivilege 5104 wmic.exe Token: SeTakeOwnershipPrivilege 5104 wmic.exe Token: SeLoadDriverPrivilege 5104 wmic.exe Token: SeSystemProfilePrivilege 5104 wmic.exe Token: SeSystemtimePrivilege 5104 wmic.exe Token: SeProfSingleProcessPrivilege 5104 wmic.exe Token: SeIncBasePriorityPrivilege 5104 wmic.exe Token: SeCreatePagefilePrivilege 5104 wmic.exe Token: SeBackupPrivilege 5104 wmic.exe Token: SeRestorePrivilege 5104 wmic.exe Token: SeShutdownPrivilege 5104 wmic.exe Token: SeDebugPrivilege 5104 wmic.exe Token: SeSystemEnvironmentPrivilege 5104 wmic.exe Token: SeRemoteShutdownPrivilege 5104 wmic.exe Token: SeUndockPrivilege 5104 wmic.exe Token: SeManageVolumePrivilege 5104 wmic.exe Token: 33 5104 wmic.exe Token: 34 5104 wmic.exe Token: 35 5104 wmic.exe Token: 36 5104 wmic.exe Token: SeIncreaseQuotaPrivilege 5104 wmic.exe Token: SeSecurityPrivilege 5104 wmic.exe Token: SeTakeOwnershipPrivilege 5104 wmic.exe Token: SeLoadDriverPrivilege 5104 wmic.exe Token: SeSystemProfilePrivilege 5104 wmic.exe Token: SeSystemtimePrivilege 5104 wmic.exe Token: SeProfSingleProcessPrivilege 5104 wmic.exe Token: SeIncBasePriorityPrivilege 5104 wmic.exe Token: SeCreatePagefilePrivilege 5104 wmic.exe Token: SeBackupPrivilege 5104 wmic.exe Token: SeRestorePrivilege 5104 wmic.exe Token: SeShutdownPrivilege 5104 wmic.exe Token: SeDebugPrivilege 5104 wmic.exe Token: SeSystemEnvironmentPrivilege 5104 wmic.exe Token: SeRemoteShutdownPrivilege 5104 wmic.exe Token: SeUndockPrivilege 5104 wmic.exe Token: SeManageVolumePrivilege 5104 wmic.exe Token: 33 5104 wmic.exe Token: 34 5104 wmic.exe Token: 35 5104 wmic.exe Token: 36 5104 wmic.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeIncreaseQuotaPrivilege 1404 wmic.exe Token: SeSecurityPrivilege 1404 wmic.exe Token: SeTakeOwnershipPrivilege 1404 wmic.exe Token: SeLoadDriverPrivilege 1404 wmic.exe Token: SeSystemProfilePrivilege 1404 wmic.exe Token: SeSystemtimePrivilege 1404 wmic.exe Token: SeProfSingleProcessPrivilege 1404 wmic.exe Token: SeIncBasePriorityPrivilege 1404 wmic.exe Token: SeCreatePagefilePrivilege 1404 wmic.exe Token: SeBackupPrivilege 1404 wmic.exe Token: SeRestorePrivilege 1404 wmic.exe Token: SeShutdownPrivilege 1404 wmic.exe Token: SeDebugPrivilege 1404 wmic.exe Token: SeSystemEnvironmentPrivilege 1404 wmic.exe Token: SeRemoteShutdownPrivilege 1404 wmic.exe Token: SeUndockPrivilege 1404 wmic.exe Token: SeManageVolumePrivilege 1404 wmic.exe -
Suspicious use of FindShellTrayWindow 44 IoCs
pid Process 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe -
Suspicious use of SendNotifyMessage 44 IoCs
pid Process 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe 3316 taskmgr.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3552 wrote to memory of 5104 3552 clean.exe 83 PID 3552 wrote to memory of 5104 3552 clean.exe 83 PID 3552 wrote to memory of 836 3552 clean.exe 87 PID 3552 wrote to memory of 836 3552 clean.exe 87 PID 3552 wrote to memory of 2532 3552 clean.exe 89 PID 3552 wrote to memory of 2532 3552 clean.exe 89 PID 3552 wrote to memory of 4204 3552 clean.exe 93 PID 3552 wrote to memory of 4204 3552 clean.exe 93 PID 3552 wrote to memory of 2124 3552 clean.exe 98 PID 3552 wrote to memory of 2124 3552 clean.exe 98 PID 3552 wrote to memory of 4792 3552 clean.exe 100 PID 3552 wrote to memory of 4792 3552 clean.exe 100 PID 3552 wrote to memory of 1404 3552 clean.exe 103 PID 3552 wrote to memory of 1404 3552 clean.exe 103 PID 3552 wrote to memory of 4172 3552 clean.exe 105 PID 3552 wrote to memory of 4172 3552 clean.exe 105 PID 3552 wrote to memory of 344 3552 clean.exe 107 PID 3552 wrote to memory of 344 3552 clean.exe 107 PID 3552 wrote to memory of 4328 3552 clean.exe 109 PID 3552 wrote to memory of 4328 3552 clean.exe 109 PID 3552 wrote to memory of 780 3552 clean.exe 111 PID 3552 wrote to memory of 780 3552 clean.exe 111 PID 3552 wrote to memory of 3532 3552 clean.exe 115 PID 3552 wrote to memory of 3532 3552 clean.exe 115 PID 3532 wrote to memory of 2236 3532 cmd.exe 117 PID 3532 wrote to memory of 2236 3532 cmd.exe 117 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 836 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\clean.exe"C:\Users\Admin\AppData\Local\Temp\clean.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\clean.exe"2⤵
- Views/modifies file attributes
PID:836
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\clean.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4204
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2124
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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:4792
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1404
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory2⤵PID:4172
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵PID:344
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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⤵
- Suspicious behavior: EnumeratesProcesses
PID:4328
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name2⤵
- Detects videocard installed
PID:780
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\clean.exe" && pause2⤵
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\system32\PING.EXEping localhost3⤵
- Runs ping.exe
PID:2236
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3316
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
MD5c65738617888921a153bd9b1ef516ee7
SHA15245e71ea3c181d76320c857b639272ac9e079b1
SHA2564640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26
SHA5122e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa
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Filesize
1KB
MD5548dd08570d121a65e82abb7171cae1c
SHA11a1b5084b3a78f3acd0d811cc79dbcac121217ab
SHA256cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc
SHA51237b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b
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Filesize
1KB
MD545ad40f012b09e141955482368549640
SHA13f9cd15875c1e397c3b2b5592805577ae88a96cb
SHA256ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce
SHA5123de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82