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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/03/2024, 00:23
Static task
static1
Behavioral task
behavioral1
Sample
ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe
Resource
win10v2004-20240226-en
General
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Target
ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe
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Size
4.2MB
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MD5
72bff1fb6190a6fad0a4f8c51a6d280c
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SHA1
1b69e315ff425f7ab31c47ccb2af07c2edef5c30
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SHA256
ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc
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SHA512
538a6bc5c9b22f1c23e112040a47c2e715c4f88590410ec9ec072fbb9561ad23219d29c07fbb01ec4b8bacd912b85f5df4a704ac93c1db37562e944af8eb7401
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SSDEEP
98304:JFlsFk+Svmz/rIJevFIOB1uuzK8dGilaD2zWWsAao9:hsFk+SvmYJcFHuuO8dBl7IO
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/5068-2-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/5068-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5068-42-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5068-43-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/3032-45-0x0000000002B80000-0x0000000002F83000-memory.dmp family_glupteba behavioral2/memory/3032-46-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3032-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3032-143-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4792-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2588 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4792 csrss.exe 2768 injector.exe 4480 windefender.exe 3720 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7a8-244.dat upx behavioral2/memory/4480-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3720-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3720-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3720-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe File created C:\Windows\rss\csrss.exe ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5076 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1500 724 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3604 schtasks.exe 2088 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 724 powershell.exe 724 powershell.exe 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 2724 powershell.exe 2724 powershell.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 692 powershell.exe 692 powershell.exe 3120 powershell.exe 3120 powershell.exe 3948 powershell.exe 3948 powershell.exe 920 powershell.exe 920 powershell.exe 1028 powershell.exe 1028 powershell.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4792 csrss.exe 4792 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4792 csrss.exe 4792 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 4792 csrss.exe 4792 csrss.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe 2768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 724 powershell.exe Token: SeDebugPrivilege 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Token: SeImpersonatePrivilege 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe Token: SeDebugPrivilege 2724 powershell.exe Token: SeDebugPrivilege 692 powershell.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeSystemEnvironmentPrivilege 4792 csrss.exe Token: SeSecurityPrivilege 5076 sc.exe Token: SeSecurityPrivilege 5076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5068 wrote to memory of 724 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 79 PID 5068 wrote to memory of 724 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 79 PID 5068 wrote to memory of 724 5068 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 79 PID 3032 wrote to memory of 2724 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 87 PID 3032 wrote to memory of 2724 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 87 PID 3032 wrote to memory of 2724 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 87 PID 3032 wrote to memory of 784 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 89 PID 3032 wrote to memory of 784 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 89 PID 784 wrote to memory of 2588 784 cmd.exe 91 PID 784 wrote to memory of 2588 784 cmd.exe 91 PID 3032 wrote to memory of 692 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 92 PID 3032 wrote to memory of 692 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 92 PID 3032 wrote to memory of 692 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 92 PID 3032 wrote to memory of 3120 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 94 PID 3032 wrote to memory of 3120 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 94 PID 3032 wrote to memory of 3120 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 94 PID 3032 wrote to memory of 4792 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 96 PID 3032 wrote to memory of 4792 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 96 PID 3032 wrote to memory of 4792 3032 ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe 96 PID 4792 wrote to memory of 3948 4792 csrss.exe 97 PID 4792 wrote to memory of 3948 4792 csrss.exe 97 PID 4792 wrote to memory of 3948 4792 csrss.exe 97 PID 4792 wrote to memory of 920 4792 csrss.exe 103 PID 4792 wrote to memory of 920 4792 csrss.exe 103 PID 4792 wrote to memory of 920 4792 csrss.exe 103 PID 4792 wrote to memory of 1028 4792 csrss.exe 105 PID 4792 wrote to memory of 1028 4792 csrss.exe 105 PID 4792 wrote to memory of 1028 4792 csrss.exe 105 PID 4792 wrote to memory of 2768 4792 csrss.exe 107 PID 4792 wrote to memory of 2768 4792 csrss.exe 107 PID 4480 wrote to memory of 3696 4480 windefender.exe 113 PID 4480 wrote to memory of 3696 4480 windefender.exe 113 PID 4480 wrote to memory of 3696 4480 windefender.exe 113 PID 3696 wrote to memory of 5076 3696 cmd.exe 114 PID 3696 wrote to memory of 5076 3696 cmd.exe 114 PID 3696 wrote to memory of 5076 3696 cmd.exe 114 -
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\ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe"C:\Users\Admin\AppData\Local\Temp\ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 724 -s 24763⤵
- Program crash
PID:1500
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C:\Users\Admin\AppData\Local\Temp\ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe"C:\Users\Admin\AppData\Local\Temp\ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2588
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:692
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3120
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3948
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4340
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:920
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1028
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2768
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2088
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:5076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 724 -ip 7241⤵PID:2368
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3720
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef25bc416339b37d19efe0d4ca888267
SHA1fb9a12acf92f22af7b18dec304e18df706382743
SHA256ebc5394c6c88b8c5724d91e2de55ac55f269fe7be36c6399a92bfe4893d72146
SHA512bb80b93f6f42e49e17ce41e122af6fa5b2b2e341eb60eb6d1fd343a2841bf94b8411befc3993e6aeef7b3cdcaa95919bbb52a3d1ebc80e37273fb026a95f0116
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc6b2ae57a9d9e802a6b6798d1604c07
SHA1f3b8da6509a07a5da5b03ecaff427d829b90f44b
SHA256362b997e97e1685f38947458f8d98e0744674d9ce8f532346a52d456ce5d52b1
SHA512c9ea25889de920bb54cff4e5672961ec5458bffe9cdc2221b9fb34198c87eb4fafc31e968613f7ae723908319ef9d9f9aee3af9542a8d4e6c9ffcbcd6d0214c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52aa01941c6068483e45381b2fbd6432a
SHA1e130926aac9bc8dc5699ca2a2fec0da1bc4565de
SHA25638c6178180d3341865212acfa0e87556587154c2ea5bbe61f174f09e1523f8b4
SHA512e62421787e05d99c2a511b3e2394c8fbc14eb86babf25b62e391bcb60a04602d91eef12d8aa192565766341fe552c19338dcaa21c10282acbb2671c8b82a8dcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50771fb67ce1f65e6f40ce54faf26c4e9
SHA1bee98e680c5011c636396ede071dd114501b15b8
SHA256dfec1f0bd5f2e96afd535813b426c07399705591471853c0216818ccce8e24e1
SHA51248c2e1e7707e642bd25cc14eda2c4e142fbef6dad2716851fc432a78de8210af64ab9f3626066fd2271360eb1f4cb8629f26cf5b82c17733c9a371c992b73ee2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c8cdcffaff42772418305f64ea5c953
SHA168b10a4b7e2d668a23bd357f05d7276be59a4c1b
SHA2560757bf1c3ed22098f9f2bb00bf29092730233309ff21be8428e7a4d535481893
SHA512498681b4c1c72da4bf54362d3e8562c0b1fba5fcd11f4e369682abaa15fd6c0496effa38d330879e4bdbfd417de118a28a9fe936747a98dd869bece1c107cef3
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Filesize
4.2MB
MD572bff1fb6190a6fad0a4f8c51a6d280c
SHA11b69e315ff425f7ab31c47ccb2af07c2edef5c30
SHA256ad2d9feb347ab956dde8b12acd8221a4b16d45f55a586a2d712937316bebb2fc
SHA512538a6bc5c9b22f1c23e112040a47c2e715c4f88590410ec9ec072fbb9561ad23219d29c07fbb01ec4b8bacd912b85f5df4a704ac93c1db37562e944af8eb7401
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec