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Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 08:59
Static task
static1
Behavioral task
behavioral1
Sample
fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe
Resource
win10v2004-20240508-en
General
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Target
fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe
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Size
4.1MB
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MD5
4275f39e8cdf6fa3ab1fd534d039c027
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SHA1
71f414e429ca49cfe33d301618924d35bccc5be7
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SHA256
fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd
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SHA512
e5a749d07d1eb4190dc189aaeca8e3ef4d8934fdb817edc82f79115a5129d7aee6894ba198f30ac6902f37101ef40ee0028b3cca4c3b80d8cca0cb32768361e5
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SSDEEP
98304:ovCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1P:ovC3DFSWO/BjYGk1PnXHoWWZ1za6NP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1944-2-0x00000000043A0000-0x0000000004C8B000-memory.dmp family_glupteba behavioral1/memory/1944-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1944-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1944-53-0x00000000043A0000-0x0000000004C8B000-memory.dmp family_glupteba behavioral1/memory/1944-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3968-132-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-224-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-233-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-241-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-243-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3560-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4468 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3560 csrss.exe 2260 injector.exe 1012 windefender.exe 2632 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002343c-218.dat upx behavioral1/memory/1012-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1012-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2632-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2632-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 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 -
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 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe File created C:\Windows\rss\csrss.exe fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.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 3084 sc.exe -
pid Process 3556 powershell.exe 1060 powershell.exe 2412 powershell.exe 4708 powershell.exe 672 powershell.exe 4336 powershell.exe 4104 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4544 1944 WerFault.exe 82 2988 3968 WerFault.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4108 schtasks.exe 3092 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4104 powershell.exe 4104 powershell.exe 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3556 powershell.exe 3556 powershell.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 1060 powershell.exe 1060 powershell.exe 1060 powershell.exe 2412 powershell.exe 2412 powershell.exe 2412 powershell.exe 4708 powershell.exe 4708 powershell.exe 4708 powershell.exe 672 powershell.exe 672 powershell.exe 4336 powershell.exe 4336 powershell.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 3560 csrss.exe 3560 csrss.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 3560 csrss.exe 3560 csrss.exe 2260 injector.exe 2260 injector.exe 3560 csrss.exe 3560 csrss.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe 2260 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4104 powershell.exe Token: SeDebugPrivilege 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Token: SeImpersonatePrivilege 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 672 powershell.exe Token: SeDebugPrivilege 4336 powershell.exe Token: SeSystemEnvironmentPrivilege 3560 csrss.exe Token: SeSecurityPrivilege 3084 sc.exe Token: SeSecurityPrivilege 3084 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1944 wrote to memory of 4104 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 84 PID 1944 wrote to memory of 4104 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 84 PID 1944 wrote to memory of 4104 1944 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 84 PID 3968 wrote to memory of 3556 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 98 PID 3968 wrote to memory of 3556 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 98 PID 3968 wrote to memory of 3556 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 98 PID 3968 wrote to memory of 64 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 102 PID 3968 wrote to memory of 64 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 102 PID 64 wrote to memory of 4468 64 cmd.exe 104 PID 64 wrote to memory of 4468 64 cmd.exe 104 PID 3968 wrote to memory of 1060 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 105 PID 3968 wrote to memory of 1060 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 105 PID 3968 wrote to memory of 1060 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 105 PID 3968 wrote to memory of 2412 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 109 PID 3968 wrote to memory of 2412 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 109 PID 3968 wrote to memory of 2412 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 109 PID 3968 wrote to memory of 3560 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 111 PID 3968 wrote to memory of 3560 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 111 PID 3968 wrote to memory of 3560 3968 fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe 111 PID 3560 wrote to memory of 4708 3560 csrss.exe 114 PID 3560 wrote to memory of 4708 3560 csrss.exe 114 PID 3560 wrote to memory of 4708 3560 csrss.exe 114 PID 3560 wrote to memory of 672 3560 csrss.exe 120 PID 3560 wrote to memory of 672 3560 csrss.exe 120 PID 3560 wrote to memory of 672 3560 csrss.exe 120 PID 3560 wrote to memory of 4336 3560 csrss.exe 122 PID 3560 wrote to memory of 4336 3560 csrss.exe 122 PID 3560 wrote to memory of 4336 3560 csrss.exe 122 PID 3560 wrote to memory of 2260 3560 csrss.exe 124 PID 3560 wrote to memory of 2260 3560 csrss.exe 124 PID 1012 wrote to memory of 1452 1012 windefender.exe 131 PID 1012 wrote to memory of 1452 1012 windefender.exe 131 PID 1012 wrote to memory of 1452 1012 windefender.exe 131 PID 1452 wrote to memory of 3084 1452 cmd.exe 132 PID 1452 wrote to memory of 3084 1452 cmd.exe 132 PID 1452 wrote to memory of 3084 1452 cmd.exe 132 -
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\fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe"C:\Users\Admin\AppData\Local\Temp\fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4104
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C:\Users\Admin\AppData\Local\Temp\fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.exe"C:\Users\Admin\AppData\Local\Temp\fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd.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:3968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3556
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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:64 -
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:4468
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2412
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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:3560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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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:4108
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4336
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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:2260
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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:3092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1012 -
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:1452 -
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:3084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 8003⤵
- Program crash
PID:2988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 7322⤵
- Program crash
PID:4544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1944 -ip 19441⤵PID:2264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3968 -ip 39681⤵PID:4372
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2632
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bb11f76febf49918a5f8ad2ae706bbb
SHA1a6fcb7b9d3b63c3526da0baa4d4a980d4cce4b9d
SHA25607d712451bd92e937c1c982ec39e26daad273fa9f103ffcc5eed058e39e799d0
SHA512724475234ecce34d2022e9eceb98ca817ac5b56a28aeeabd2a9fbf91a886566f83796d4af012ef0f7b8493f053c2d408a7f6ff3b48ee63ea2e603ef9b50f7680
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59db047c400a0d8eaefdc9229a9f36287
SHA1c614d7547f749fe88f730688ef7dadb25d736fe8
SHA2564a658f9fd5bb5e5bf67e1aced0458e937547664249cb2a2bd1a52b5d6b6a743b
SHA512f517c6d47fc72a576828f7a09da60ae3c9278e7f4a116e4ee6e4eb41b290db55cd7d5d4d8948ff223abe5e0f991c6755222ad79bca7f5dcf63653d99655d4282
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595bc74ee1553049e2b5329af533083a6
SHA13a7a0e47c41eb0f1f2b08e55c4edb2a02923a6db
SHA256c94e7bc8381d46cffd63ed4cc4af211d112171ea5789179419a2bc4463d5957e
SHA5128c8074ec60ec19280bf19f92089ad20449e85b3b83542c1dc609a9078c934dda61cc520b5dd66cca7042ab2383c2f392d18f061bdec29fb6193f74428beb2d35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50abf1ea94b83980c72fca606e4a46abd
SHA1a0c90d8ea5499acc67fc458212f4a5fefff46114
SHA25692c6b3270e21aabc50d6c04a9880e83e742fc612112fcae1f90db698d097c9f4
SHA51249999c7fb86106cbc5b00032a938f62cc51b9a781fd2835728ba42fd6af35d8139f2a6207e88ee3c05432db72602e0995c79556fe7e6f63603a3709331d24672
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7d80a0f59759d6de6f8e58d33976d04
SHA12869f7e42b9968b6dbc8ddfbea2556ce59f66c46
SHA25675c0e289bbdf6faabde0998353d8120defb8fff62a7a8f547caf9838a583048c
SHA51223f47c1f68f1c84467054f0d96649a2aa63d693d1e2313f2dfe95518fa4c04c14eb6e0129fa6b8d765f69b0ab35135eb71c85d36ed0cae8cbe471f6dad6eda18
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Filesize
4.1MB
MD54275f39e8cdf6fa3ab1fd534d039c027
SHA171f414e429ca49cfe33d301618924d35bccc5be7
SHA256fc3cfd089254e6729b8ca03dec69844507bafaa649de648beadc6bc2e468ddcd
SHA512e5a749d07d1eb4190dc189aaeca8e3ef4d8934fdb817edc82f79115a5129d7aee6894ba198f30ac6902f37101ef40ee0028b3cca4c3b80d8cca0cb32768361e5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec