Analysis
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max time kernel
129s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
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submitted
25-06-2024 03:39
General
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Target
Result.exe
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Size
726KB
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MD5
0245f169326caac63addc173108df7c2
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SHA1
abc37ad9cb71c52be4b942c54572c79db7b4a0c8
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SHA256
d8d40b07a4324fc82badf80651e9b6ab367df60907ecc5f98bada0b81269924b
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SHA512
1eff4ff2eee9f9aca8b488f72183592a01d0b94967b2a8a88c12788a7f277c1cbdde0cbfb40a21f94b734b161bbba3877898e7d9dd1c39b37e7e6116b43de46e
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SSDEEP
12288:yoZtL+EP8YwjLxfEY3zmfh8ItEGQR/y00bzAlvpYq1orkEHck8IzDqY33k0ero5i:2I8ljLxfEY3zmfh8ItEHfMgsvqY3Crog
Malware Config
Signatures
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Detect Umbral payload 3 IoCs
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UAC bypass 3 TTPs 2 IoCs
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Umbral
Umbral stealer is an opensource moduler stealer written in C#.
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Windows security bypass 2 TTPs 2 IoCs
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 3 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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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.
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Drops file in Drivers directory 1 IoCs
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Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 2 IoCs
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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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UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Windows security modification 2 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 6 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 64 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
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Modifies registry class 32 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of FindShellTrayWindow 40 IoCs
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Suspicious use of SendNotifyMessage 31 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 41 IoCs
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System policy modification 1 TTPs 4 IoCs
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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.
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Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Result.exe"C:\Users\Admin\AppData\Local\Temp\Result.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Umbral.exe"C:\Users\Admin\AppData\Local\Temp\Umbral.exe"2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\attrib.exe"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"3⤵
- Views/modifies file attributes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Umbral.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" os get Caption3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" computersystem get totalphysicalmemory3⤵
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C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid3⤵
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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_IDENTIFIER3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\Wbem\wmic.exe"wmic" path win32_VideoController get name3⤵
- Detects videocard installed
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Umbral.exe" && pause3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping localhost4⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\WinLock.exe"C:\Users\Admin\AppData\Local\Temp\WinLock.exe"2⤵
- UAC bypass
- Windows security bypass
- Event Triggered Execution: Image File Execution Options Injection
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /tn "GoogleUpdateTaskMachineUK" /sc MINUTE /mo 1 /tr "C:\Users\Admin\AppData\Local\Temp\WinLock.exe" /rl HIGHEST /f3⤵
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\WinLock.exe'"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "GoogleUpdateTaskMachineUK"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /delete /f /tn "GoogleUpdateTaskMachineUK"4⤵
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"3⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵
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C:\Windows\explorer.exeexplorer.exe1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Image File Execution Options Injection
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
471B
MD5618f6dc0d63e9f881dc1107a7e56dbc7
SHA112534c7b00b40dc2ae76482c2a7bd8fad3329cd5
SHA256b195d2c810c2db1349760500305f49e17ebeb47825aeaaf41e95bd11e2fdba86
SHA5122c33661df07eaea6f9b24c53699fcaa0dc14e2c56f8b91766204a1cb7320c9fdc53c04f674ffb1e4d54c659ef2dc6406aa3a98d45d2f6416101161ab4a62a037
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Filesize
420B
MD5c136fbc59bb33c68e59af84b3834290f
SHA1cc88c8d598c2d6a41b1f99458a19e87ed52cb40b
SHA256500d40de62a5c3b6240d60b4188dc6d791cb9a2bae936aaad22b4893e1c65be0
SHA51292d9d76f2a5591ddc15cf83c909e432c05029562608aeb675a3a830c49f3455b5474081e908fdbf800799706b82d41be0245da531cf9a0b0c110c4d467437cdc
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
1KB
MD5ec1ba4a995d866b282087b26a0539bbc
SHA1c4aeae2bc3fa9a898680648b20102f01e8a811cf
SHA256469da678c3c0364b1b511962cffd44cbfc10aab5c1c528c0c09fd952f08d8a2c
SHA51207bf757ec9d0d368d3ef1bfc2b562895e2708757f8fefa04fa50beaa6fb38af1018ea0cfccf5666c5c8baa4c894deead9652c53e0608aa6a83ef5b396dba43e9
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Filesize
64B
MD536bb833bcefdd2f80a289fc681c87627
SHA14204fa10680f0a9c2699a9eb52709db1cd68e0b7
SHA25652be5401760e6cc30c6018d277e7ce91aa262b3888297f76e95a20fdda8e2ae6
SHA512233fbb528d3b7196fb967fff74e66dd589b6a302e97774a24fbeb971996aa6c1b17f24f19380873c976978552e245b3dd065cdb9d4133ce554c507d92f8778e1
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Filesize
944B
MD56d42b6da621e8df5674e26b799c8e2aa
SHA1ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA2565ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
SHA51253faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
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Filesize
948B
MD5c9b6705519e1eef08f86c4ba5f4286f3
SHA16c6b179e452ecee2673a1d4fe128f1c06f70577f
SHA2560f9cad44a79126871580e19b01dc3f880c5173b1faaf8b9018d5d1f829714705
SHA5126d8f85a7a8b0b124530f36a157cd0441b5c1eacdc35e274af9fbf0569d03d1d5e468651a5b2425f0215c282ecfa7b1ffeaeeaf18612822f00bd14306d30640c7
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Filesize
1KB
MD5548dd08570d121a65e82abb7171cae1c
SHA11a1b5084b3a78f3acd0d811cc79dbcac121217ab
SHA256cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc
SHA51237b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b
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Filesize
2KB
MD52e4d23a53733ad964e869a43365f91b3
SHA1c699a5cfd3a27e64051033733b8b21719ade0502
SHA25656d3bb48f0ce5551d2ac2a3ccfd599242ff1d4d033fb8d1058ab59e02c680c30
SHA512fe871a556b8c84bb0a24f66b889374c966fc4839720f8733a0ad90b290c87532d2eb6e4b977b1beb1ab532c2cb0d8d0ab3d3804974f771d9016592ad6c012a1a
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Filesize
75KB
MD5ec861d1b31e9e99a4a6548f1e0b504e1
SHA18bf1243597aba54793caf29c5e6c258507f15652
SHA2569dcf45126bd51fcc0ef73e54cc07f8eec145bc17eef189acd15fba199972d7da
SHA51230cf8103a2043fd7b1a54ce06ff2ca14ba382040297a177fc612bcf55878f9d0abbe3f7ea0e7be6b6981f7c67f8be09d77730670365af3d52a1e25640a224ffd
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Filesize
670KB
MD59eb5f69e443e7d835e78519e5f3b3ef4
SHA15ba40cd4a127359dbd006eb3b0f800809c138659
SHA2564aa1fa29fd0a2d15b9204426cfee2e348dcf65f5b444b53fc5425a0418a3fdcd
SHA512b14fd14a1ac0aa59e0b648b64af0fa4848a4601124fe8b37d0c3f7e4066908237eb1c9d01a43aa45444db104c68380a60e1e1625d1f4eda5d501a3c33206cf4f
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Filesize
96B
MD5fb128dd23be90403a359178e993c9d0f
SHA126fd6915e3556d4cd004f62d06fbca7926807544
SHA2568da3b3625b4cd2b5eb982bb67a9478c68e411b45c46fb8548a62855069fc1c34
SHA5127fe9d62e3ce2cc4818e8b16323bf94e1d31b2a492fe5afbc16ac4cb806fcf8449d63e5f5d40fae431fa91d28cf532ccbc74bc5af2fa18b6ee5ebf8c6399febdd
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Filesize
229KB
MD538b8805ea8405cb18e10b7842ebcb682
SHA16dd1db3476a7b3f0310c8dabb49b612a87268d4f
SHA256195140ab19482c7df7fe367e7bb393154f0c3f53a273ee0f29dc3f6bfd5a8deb
SHA512dff82754cba7b1f8d693bc5fd889553b8107546b8a8567c17165d467f4f7376673c4d5c4de117a31735e0dfc81cff68ac454a2c360b9d90405a8b5631a79b173
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Filesize
487KB
MD5cc59c1b172d7a025d5a4dd6852cdc7df
SHA104abd6c1b464ec4ce0b231f725c868036f176c66
SHA256fb5ea0fb635ef1c3222117bc1bde5b161ada804efef4ea07c648dac1d429d66d
SHA512df5a8986a2dd25f5169bb95fd9c48e72fcbb0fcfe947662b0e569f0292ac8a7c85065d4f34e8b0505ae1a652e78c249e623f515e2b5b89cb6376326dda386538
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
4KB
-
Filesize
136KB
-
Filesize
8KB
-
Filesize
1.7MB
-
Filesize
72KB
-
Filesize
40KB
-
Filesize
256KB
-
Filesize
120KB
-
Filesize
320KB
-
Filesize
472KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
1.6MB
-
Filesize
4KB
-
Filesize
1.6MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
1024KB
-
Filesize
128KB
-
Filesize
1024KB
-
Filesize
4KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
1024KB
-
Filesize
756KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
1024KB
-
Filesize
128KB