Analysis
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max time kernel
140s -
max time network
145s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
19/07/2023, 15:41
Static task
static1
General
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Target
42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe
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Size
4.1MB
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MD5
ab021a990517a3cffb92782995fd1ee9
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SHA1
ac25833452a1627d0f8d6934312ca39367462a3b
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SHA256
42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db
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SHA512
1664c616a1fe1aed3a99f2b21b9c2fe016b6a2fb00073c5e162886703ca313fbc6a6700add8188586cc5c0fcd7870c8b2945510e020c9abe833cdacef9cf047a
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SSDEEP
98304:NDLBhmwazJNmIhwGrZ46QUTsdtRdQmMvt:9BhmjNNJlNFTwtRdoV
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/2220-122-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2220-123-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2220-138-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2220-180-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2220-421-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2220-424-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-427-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2732-428-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-446-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-464-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-673-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-923-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/2732-1171-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1174-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1276-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1667-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1914-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1923-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1925-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1927-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba behavioral1/memory/3852-1929-0x0000000000400000-0x0000000002F31000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4772 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3852 csrss.exe 2336 injector.exe 1940 windefender.exe 4936 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001af8e-1917.dat upx behavioral1/files/0x000700000001af8e-1919.dat upx behavioral1/files/0x000700000001af8e-1920.dat upx behavioral1/memory/1940-1922-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4936-1924-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4936-1928-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4936-1930-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe = "0" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2767205360-3565838719-3800013281-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\S-1-5-21-2767205360-3565838719-3800013281-1000\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 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe File created C:\Windows\rss\csrss.exe 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.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 4596 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 1748 schtasks.exe 5100 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.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\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 632 powershell.exe 632 powershell.exe 632 powershell.exe 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 4620 powershell.exe 4620 powershell.exe 4620 powershell.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 508 powershell.exe 508 powershell.exe 508 powershell.exe 2624 powershell.exe 2624 powershell.exe 2624 powershell.exe 952 powershell.exe 952 powershell.exe 952 powershell.exe 3136 powershell.exe 3136 powershell.exe 3136 powershell.exe 2576 powershell.exe 2576 powershell.exe 2576 powershell.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 3852 csrss.exe 3852 csrss.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 3852 csrss.exe 3852 csrss.exe 2336 injector.exe 2336 injector.exe 3852 csrss.exe 3852 csrss.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe 2336 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 632 powershell.exe Token: SeDebugPrivilege 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Token: SeImpersonatePrivilege 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 508 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 952 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeSystemEnvironmentPrivilege 3852 csrss.exe Token: SeSecurityPrivilege 4596 sc.exe Token: SeSecurityPrivilege 4596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2220 wrote to memory of 632 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 72 PID 2220 wrote to memory of 632 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 72 PID 2220 wrote to memory of 632 2220 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 72 PID 2732 wrote to memory of 4620 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 77 PID 2732 wrote to memory of 4620 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 77 PID 2732 wrote to memory of 4620 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 77 PID 2732 wrote to memory of 3900 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 79 PID 2732 wrote to memory of 3900 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 79 PID 3900 wrote to memory of 4772 3900 cmd.exe 81 PID 3900 wrote to memory of 4772 3900 cmd.exe 81 PID 2732 wrote to memory of 508 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 82 PID 2732 wrote to memory of 508 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 82 PID 2732 wrote to memory of 508 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 82 PID 2732 wrote to memory of 2624 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 84 PID 2732 wrote to memory of 2624 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 84 PID 2732 wrote to memory of 2624 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 84 PID 2732 wrote to memory of 3852 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 86 PID 2732 wrote to memory of 3852 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 86 PID 2732 wrote to memory of 3852 2732 42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe 86 PID 3852 wrote to memory of 952 3852 csrss.exe 87 PID 3852 wrote to memory of 952 3852 csrss.exe 87 PID 3852 wrote to memory of 952 3852 csrss.exe 87 PID 3852 wrote to memory of 3136 3852 csrss.exe 91 PID 3852 wrote to memory of 3136 3852 csrss.exe 91 PID 3852 wrote to memory of 3136 3852 csrss.exe 91 PID 3852 wrote to memory of 2576 3852 csrss.exe 96 PID 3852 wrote to memory of 2576 3852 csrss.exe 96 PID 3852 wrote to memory of 2576 3852 csrss.exe 96 PID 3852 wrote to memory of 2336 3852 csrss.exe 98 PID 3852 wrote to memory of 2336 3852 csrss.exe 98 PID 1940 wrote to memory of 2268 1940 windefender.exe 106 PID 1940 wrote to memory of 2268 1940 windefender.exe 106 PID 1940 wrote to memory of 2268 1940 windefender.exe 106 PID 2268 wrote to memory of 4596 2268 cmd.exe 107 PID 2268 wrote to memory of 4596 2268 cmd.exe 107 PID 2268 wrote to memory of 4596 2268 cmd.exe 107 -
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\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe"C:\Users\Admin\AppData\Local\Temp\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:632
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C:\Users\Admin\AppData\Local\Temp\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe"C:\Users\Admin\AppData\Local\Temp\42a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2732 -
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:4620
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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:3900 -
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:4772
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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:508
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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:2624
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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:3852 -
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:952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4016
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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:3136
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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:1748
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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:2576
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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:2336
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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:5100
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1940 -
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:2268 -
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:4596
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4936
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5006219d293183de69faea61597bcbf3a
SHA1db7297b1d31141b9a9e149d1eaafaed82ef7c9f9
SHA2564bd07ba5140f36506f6b81da7436851a26018e6da52581056bb395c24a81bc0f
SHA512e78eeb8c0cd6168775088cefea909c2b3efcb225adad87e570aedfc9ba3b0d23d2c59e0dc998fa9c41a17548c6a52eb0015574aced35b6690a05bfcb254948d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a7338acff016859365f45bc5c08e3e72
SHA14eb8b85c84e88ab1e633f44916802b7f14947ed3
SHA25691375757fbb7c00b4a3e7e665a4bfc3789872139cef13694dff16551633ff981
SHA512369a4ef12e1f1813d8fca9c1661f4eb1492af74bf8721a1895664cda6e4932a4e4e7278267640237b67fa01cf272f21e365bbe91b48ea5747cf92c5a97828478
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5801914e489fe5c413bdee03d06b813a7
SHA15acecf72f7d303e54d6c6d8d4c1344af1e2d21f6
SHA256ae5af32da1fc07aff9fb0055a87e25e0a153b991e4d0679aa72cbe2768585a2c
SHA5126ef5209cd886c136a0ae914111f33f4f8a0cc4c1c4721ff3f57fa3f39a508439fd6a9a3632478349a74f6ee882f11e8f125111aab8cafd271013b6fde8dc419d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD52fabe4872d0f49d29d06c900bf98c9c7
SHA13db9da4bb45061d18ce03721bfe8da53c862c339
SHA2566e152ee719b061a1d88be3e5fc3f8686325564295a0c8279ef3783b9158a3879
SHA512330881bab59824475edb6592932df776478956219998c89b3af1d07ce8a28dad601862c9f6312ea6a30801446da51b7bccc892a0962041fc6d48716209f92529
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5873b3d10d06a9df4123f24f8184401e2
SHA129fb778337fb713a92c6a04ef34ea9df49309a61
SHA256e65fb6d61aa6645f24ed7f0cdd1752f011391f085e702be401ec6510d556bf38
SHA5120f07666d76d6bbc04d2f1c831f63e021d16c8716effbed8f5ec995837d081b1fe0ecf724ce8aaa440b99674a3bc2fb4c9bdf18ce81b03c54df11ace13e20b25d
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Filesize
4.1MB
MD5ab021a990517a3cffb92782995fd1ee9
SHA1ac25833452a1627d0f8d6934312ca39367462a3b
SHA25642a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db
SHA5121664c616a1fe1aed3a99f2b21b9c2fe016b6a2fb00073c5e162886703ca313fbc6a6700add8188586cc5c0fcd7870c8b2945510e020c9abe833cdacef9cf047a
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Filesize
4.1MB
MD5ab021a990517a3cffb92782995fd1ee9
SHA1ac25833452a1627d0f8d6934312ca39367462a3b
SHA25642a44ce5576f4f924ddc94095c939d96ff83029155b7640f13bd8ab5721593db
SHA5121664c616a1fe1aed3a99f2b21b9c2fe016b6a2fb00073c5e162886703ca313fbc6a6700add8188586cc5c0fcd7870c8b2945510e020c9abe833cdacef9cf047a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec