Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 18:07
Static task
static1
Behavioral task
behavioral1
Sample
b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe
Resource
win10v2004-20240412-en
General
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Target
b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe
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Size
4.2MB
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MD5
d73078825a7772fe5fd1fd1aab3aa5d7
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SHA1
d3a1d292638272622df9f85add3880d8dfae5fd2
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SHA256
b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890
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SHA512
f482533173b5aa99b70aaad2c8d4bd0f629c3348044c1820266a986437fa6fbbea3d665fd4bb1f12664eda192a014b3c9e50323935803f359a08bf9e535a7eb0
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCZ:OAu+ENnjVyYiVNw4k
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4812-2-0x00000000040D0000-0x00000000049BB000-memory.dmp family_glupteba behavioral1/memory/4812-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3100-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4812-58-0x00000000040D0000-0x00000000049BB000-memory.dmp family_glupteba behavioral1/memory/4812-77-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3100-155-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-255-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-263-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5004-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5036 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5004 csrss.exe 2976 injector.exe 1212 windefender.exe 2400 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023418-259.dat upx behavioral1/memory/1212-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2400-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2400-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 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 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 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4908 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4780 schtasks.exe 704 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1856 powershell.exe 1856 powershell.exe 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 736 powershell.exe 736 powershell.exe 736 powershell.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 1900 powershell.exe 1900 powershell.exe 1204 powershell.exe 1204 powershell.exe 1648 powershell.exe 1648 powershell.exe 3380 powershell.exe 3380 powershell.exe 4664 powershell.exe 4664 powershell.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 5004 csrss.exe 5004 csrss.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 5004 csrss.exe 5004 csrss.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 5004 csrss.exe 5004 csrss.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe 2976 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Token: SeImpersonatePrivilege 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe Token: SeDebugPrivilege 736 powershell.exe Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 4664 powershell.exe Token: SeSystemEnvironmentPrivilege 5004 csrss.exe Token: SeSecurityPrivilege 4908 sc.exe Token: SeSecurityPrivilege 4908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4812 wrote to memory of 1856 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 92 PID 4812 wrote to memory of 1856 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 92 PID 4812 wrote to memory of 1856 4812 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 92 PID 3100 wrote to memory of 736 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 99 PID 3100 wrote to memory of 736 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 99 PID 3100 wrote to memory of 736 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 99 PID 3100 wrote to memory of 5008 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 101 PID 3100 wrote to memory of 5008 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 101 PID 5008 wrote to memory of 5036 5008 cmd.exe 103 PID 5008 wrote to memory of 5036 5008 cmd.exe 103 PID 3100 wrote to memory of 1900 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 104 PID 3100 wrote to memory of 1900 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 104 PID 3100 wrote to memory of 1900 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 104 PID 3100 wrote to memory of 1204 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 106 PID 3100 wrote to memory of 1204 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 106 PID 3100 wrote to memory of 1204 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 106 PID 3100 wrote to memory of 5004 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 108 PID 3100 wrote to memory of 5004 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 108 PID 3100 wrote to memory of 5004 3100 b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe 108 PID 5004 wrote to memory of 1648 5004 csrss.exe 109 PID 5004 wrote to memory of 1648 5004 csrss.exe 109 PID 5004 wrote to memory of 1648 5004 csrss.exe 109 PID 5004 wrote to memory of 3380 5004 csrss.exe 115 PID 5004 wrote to memory of 3380 5004 csrss.exe 115 PID 5004 wrote to memory of 3380 5004 csrss.exe 115 PID 5004 wrote to memory of 4664 5004 csrss.exe 117 PID 5004 wrote to memory of 4664 5004 csrss.exe 117 PID 5004 wrote to memory of 4664 5004 csrss.exe 117 PID 5004 wrote to memory of 2976 5004 csrss.exe 119 PID 5004 wrote to memory of 2976 5004 csrss.exe 119 PID 1212 wrote to memory of 2284 1212 windefender.exe 127 PID 1212 wrote to memory of 2284 1212 windefender.exe 127 PID 1212 wrote to memory of 2284 1212 windefender.exe 127 PID 2284 wrote to memory of 4908 2284 cmd.exe 128 PID 2284 wrote to memory of 4908 2284 cmd.exe 128 PID 2284 wrote to memory of 4908 2284 cmd.exe 128 -
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\b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe"C:\Users\Admin\AppData\Local\Temp\b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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C:\Users\Admin\AppData\Local\Temp\b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.exe"C:\Users\Admin\AppData\Local\Temp\b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890.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:3100 -
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:736
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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:5008 -
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:5036
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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:1900
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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:1204
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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:5004 -
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:1648
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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:4780
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4128
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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:3380
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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:4664
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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:2976
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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:704
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1212 -
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:2284 -
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:4908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2400
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
MD507dc8c3ef33b4b66abadb32750e8a2c0
SHA112b911a95b6d5576f9fef5210ca36e635884bc41
SHA256c129c8497c177852593aaf693d468c948b06327e2b4fc088190d57e732031410
SHA5123c9a8baa3368e261009d517d87e1fc1a69f9c3042d10ae21424f262e1f524a75de174a07c592aeec992003d2a41e9c6550a3a3c150c540c3ed218c5f31d109f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5979542ad3ee872b5886f053e450486
SHA1a6939f2167d9159c15c061469000faac71b49e62
SHA256375537f980f6e053ea870174b2e678064cf323f3ce1d2ad181d3333170314f7b
SHA512d45fa8b0fd984226988147ddfbdea0b790aab1ebcf437a68fc72cdd630807ce989f8882d0145ed9e094151bda5f6853a5954ad73c1c81f2ef3ef4567b68c2ad0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503f19597e75ca70db314c5f80f25a027
SHA19b001e5953b785b0c7ad289b8510961eb942e9e8
SHA256ccdf0496418ced6707bbfd7484ae7492f4f525574a6cc42fa0d39470f0370f8c
SHA512c04be1dfef4e43f737baf002865c74112c1fd7871b879db6d80d1530c993ccf943eb6ca0b00e5bc9c2fc7a4606352d1fbe5ce690960111d0019cd5e0fd9f6b05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7707aee300c79acfa68bc8a9f164e69
SHA105aeb98dc8623d8584e237660ab28db60df0b138
SHA256e0503b8fa751a74a793956aa40c7e62e5d73c95c17f7736b689e3b61fb541b7b
SHA512744178deb2f04afe9124cdd3cdc0fedf2a33c787e5d3466e57ba01d5943332aa8e5f233a355714ab847532b201d3702ad11a6ae2c138de898e7bd7191a4a2ee3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa51ce8f51c8482c232c695ee49ce634
SHA12e56f6a4bc759733e1378d1e9ad70a1bffcb203b
SHA256294c09c98bf0c37caa1b1822027b890460b18f615b32548db038e2e60138602a
SHA512602e3e29a9aa27e081d2f17eca35983f12bbe227c76e74033d62978cf2691552dc8409f726881d63b055e46e4177c8315683fdb08dd5b36822d26a15bdd1e266
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Filesize
4.2MB
MD5d73078825a7772fe5fd1fd1aab3aa5d7
SHA1d3a1d292638272622df9f85add3880d8dfae5fd2
SHA256b9a0d6c7929fdd6c4d8572c23a78de976269f29f1e17fa228cb10254846f0890
SHA512f482533173b5aa99b70aaad2c8d4bd0f629c3348044c1820266a986437fa6fbbea3d665fd4bb1f12664eda192a014b3c9e50323935803f359a08bf9e535a7eb0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec