Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-12-2024 17:14
Static task
static1
Behavioral task
behavioral1
Sample
f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Resource
win10v2004-20241007-en
General
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Target
f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
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Size
1.8MB
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MD5
68ef473852d3aefd8e5e4f2e00b3dfaa
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SHA1
3ba2594ec459d1c9152558ebdd9611427347a73e
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SHA256
f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec
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SHA512
8602717380a4ad4ca7cbcdbb2373e63ff8578d58e6324d43530b134c6d7005469ff89c45bad773da978d4263a56c51efd331b09790f5708a563f26a513cad3ff
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SSDEEP
49152:x4LJMXaJ0ypWp8GkSVPa7aQ8b0U51h3r:x4LJWeK3kE9QY53r
Malware Config
Signatures
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Modifies WinLogon for persistence 2 TTPs 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\", \"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\dwm.exe\", \"C:\\Users\\Admin\\Links\\OfficeClickToRun.exe\", \"C:\\Windows\\twain_32\\RuntimeBroker.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\", \"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\", \"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\dwm.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\", \"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\dwm.exe\", \"C:\\Users\\Admin\\Links\\OfficeClickToRun.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\", \"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\dwm.exe\", \"C:\\Users\\Admin\\Links\\OfficeClickToRun.exe\", \"C:\\Windows\\twain_32\\RuntimeBroker.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Process spawned unexpected child process 18 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1976 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1280 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1176 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1804 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4724 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4916 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3908 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4832 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4748 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 428 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4620 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3508 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2592 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3076 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5012 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4592 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 228 4680 schtasks.exe 83 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1320 4680 schtasks.exe 83 -
Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3228 powershell.exe 2112 powershell.exe 4792 powershell.exe 2852 powershell.exe 2988 powershell.exe 3916 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Executes dropped EXE 1 IoCs
pid Process 4820 OfficeClickToRun.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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Adds Run key to start application 2 TTPs 12 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Recovery\\WindowsRE\\dwm.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Recovery\\WindowsRE\\dwm.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\twain_32\\RuntimeBroker.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Users\\All Users\\ssh\\fontdrvhost.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Users\\Admin\\Links\\OfficeClickToRun.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Users\\Admin\\Links\\OfficeClickToRun.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Windows\\twain_32\\RuntimeBroker.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\MSBuild\\winlogon.exe\"" f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created \??\c:\Windows\System32\hnaorh.exe csc.exe File created \??\c:\Windows\System32\CSC5CA42D43349E442AA9AEDF7AA60F921.TMP csc.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\MSBuild\winlogon.exe f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe File created C:\Program Files (x86)\MSBuild\cc11b995f2a76d f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\twain_32\RuntimeBroker.exe f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe File opened for modification C:\Windows\twain_32\RuntimeBroker.exe f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe File created C:\Windows\twain_32\9e8d7a4ca61bd9 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1368 PING.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1368 PING.EXE -
Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1176 schtasks.exe 4724 schtasks.exe 1976 schtasks.exe 4832 schtasks.exe 4748 schtasks.exe 3508 schtasks.exe 5012 schtasks.exe 4592 schtasks.exe 1280 schtasks.exe 4620 schtasks.exe 3076 schtasks.exe 428 schtasks.exe 4916 schtasks.exe 3908 schtasks.exe 2592 schtasks.exe 228 schtasks.exe 1320 schtasks.exe 1804 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4820 OfficeClickToRun.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 4820 OfficeClickToRun.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 3136 wrote to memory of 1936 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 87 PID 3136 wrote to memory of 1936 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 87 PID 1936 wrote to memory of 1540 1936 csc.exe 89 PID 1936 wrote to memory of 1540 1936 csc.exe 89 PID 3136 wrote to memory of 2852 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 105 PID 3136 wrote to memory of 2852 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 105 PID 3136 wrote to memory of 4792 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 106 PID 3136 wrote to memory of 4792 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 106 PID 3136 wrote to memory of 2112 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 107 PID 3136 wrote to memory of 2112 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 107 PID 3136 wrote to memory of 3228 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 108 PID 3136 wrote to memory of 3228 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 108 PID 3136 wrote to memory of 3916 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 109 PID 3136 wrote to memory of 3916 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 109 PID 3136 wrote to memory of 2988 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 110 PID 3136 wrote to memory of 2988 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 110 PID 3136 wrote to memory of 4712 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 117 PID 3136 wrote to memory of 4712 3136 f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe 117 PID 4712 wrote to memory of 4372 4712 cmd.exe 119 PID 4712 wrote to memory of 4372 4712 cmd.exe 119 PID 4712 wrote to memory of 1368 4712 cmd.exe 120 PID 4712 wrote to memory of 1368 4712 cmd.exe 120 PID 4712 wrote to memory of 4820 4712 cmd.exe 125 PID 4712 wrote to memory of 4820 4712 cmd.exe 125 -
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\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe"C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bhp2xhcv\bhp2xhcv.cmdline"2⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA587.tmp" "c:\Windows\System32\CSC5CA42D43349E442AA9AEDF7AA60F921.TMP"3⤵PID:1540
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\winlogon.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2852
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\ssh\fontdrvhost.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:4792
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\dwm.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2112
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\Links\OfficeClickToRun.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:3228
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\twain_32\RuntimeBroker.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:3916
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of AdjustPrivilegeToken
PID:2988
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\HTrpjsXSLG.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:4372
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C:\Windows\system32\PING.EXEping -n 10 localhost3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1368
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C:\Users\Admin\Links\OfficeClickToRun.exe"C:\Users\Admin\Links\OfficeClickToRun.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4820
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1976
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1280
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1176
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\ssh\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1804
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\All Users\ssh\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4724
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\ssh\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4916
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3908
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4832
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4748
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Links\OfficeClickToRun.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:428
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Admin\Links\OfficeClickToRun.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4620
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Links\OfficeClickToRun.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3508
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Windows\twain_32\RuntimeBroker.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1320
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\twain_32\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:228
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\twain_32\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2592
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ecf" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4592
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5012
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ecf" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3076
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD568ef473852d3aefd8e5e4f2e00b3dfaa
SHA13ba2594ec459d1c9152558ebdd9611427347a73e
SHA256f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec
SHA5128602717380a4ad4ca7cbcdbb2373e63ff8578d58e6324d43530b134c6d7005469ff89c45bad773da978d4263a56c51efd331b09790f5708a563f26a513cad3ff
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5d28a889fd956d5cb3accfbaf1143eb6f
SHA1157ba54b365341f8ff06707d996b3635da8446f7
SHA25621e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA5120b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
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Filesize
944B
MD56d3e9c29fe44e90aae6ed30ccf799ca8
SHA1c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA2562360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA51260c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
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Filesize
944B
MD55a1eeec361ba5d0671ba459c85a6e1d7
SHA1a51cdcd13a6b13e842a2ee977f6d1091d63d706f
SHA2568804fca07f0a87233d848fc260b92e03567ecbee6f903fa0594cb78b11730174
SHA512c41e69d0485c031e49d2505bf531579134147d983d19c3d7d5e3c8f7f6eea5441c830c3eda0f396b54737f30157c9543b68901a79e919ab9f6cc93e6beea345e
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Filesize
944B
MD52979eabc783eaca50de7be23dd4eafcf
SHA1d709ce5f3a06b7958a67e20870bfd95b83cad2ea
SHA256006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903
SHA51292bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba
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Filesize
169B
MD5b83e701d9830bac9ad0ca55f02b18f91
SHA187f6693c395e0ec9b05facc170da505a0e0c720a
SHA256aa78a858d3b87e93aee448b795262011694d92e0ed1bbcbd59249ebf97b48c47
SHA512af2a1377dd3a82d7db211953184646f944c86479fa53f605155e40248c70256d17b9cbaa5fdf42d52bcd8bf073d4b6d401e18030f38d9e1dc16123cfead1220d
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Filesize
1KB
MD5cf382bf6981b8995442163958d71b735
SHA1f1859faa202675a5474c5e213132958395df1783
SHA2560572bafdeea3efd6359b38e4292690cdda201faf2e51775a0748e27962bba059
SHA512152a37f4702f4ded7b67483bc63529e2ea57f95dfdb87b33f04dffe35e63cd7aec893b67aec84f71f4740fa7ef587fea60e3ebce0cef052179e0edfafe688d70
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
375B
MD5c80edc5cf8f7b404ea795ed98db6c6b0
SHA1ffe8a0ef0e44b82e93969a9b499648c51d2d934d
SHA2561cac855ead09f231f9a15a6987371a68b91bbd74a75db3089575b964e4928ee1
SHA5125bfd60096e3c325d62129b544c8588bcc8849fca66205255cc51ae89166ea8c4305cc6666d8ca5d9213795efa94736ca5acb05a371ce0224b88f77a700b52b90
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Filesize
235B
MD5d3ca58346183a1acd5b422155f2a1ba8
SHA1a4649e37f0027af4f50c103d21f50992d3658828
SHA2566e57c950b87ab286bc59df09e5839004e6916eeaa30fa3d9a10e3adc60387a92
SHA5128ec0ece212a81734724b0ef7c3a3598904581e8a7d88a315d671fd33e7bfd2bb427a0e9aaed27f7882dcf8ea59cd59567f15aee367b46ddb529d2ab1006a584f
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Filesize
1KB
MD565d5babddb4bd68783c40f9e3678613f
SHA171e76abb44dbea735b9faaccb8c0fad345b514f4
SHA256d61a59849cacd91b8039a8e41a5b92a7f93e2d46c90791b9ba6b5f856008cd8f
SHA51221223e9a32df265bb75093d1ebaa879880a947d25ac764f3452b9104893b05f2c8fe4150cb2465681df7a0554dcefdb7f623aaf54772ade878270f453ebc1bcf