Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
11/10/2023, 23:49
Static task
static1
General
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Target
1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe
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Size
4.1MB
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MD5
c3c9636b787a34b44be79a6080a1f1b7
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SHA1
086d58eaac2eb89e087bbe53452176be54848946
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SHA256
1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7
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SHA512
67842abdd7a26cd4899bcdc6a4d22a0737a4601535585fb535702b29d150a828ebe98f50551df9e82bb36504d5d773b0f3f4121069afe549878853b7c92dfe3d
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SSDEEP
98304:Xc6mHYOhDxlu0++JeJOF6HhxdPbyVVtXUmhNjRZov:z1OhlUuKRHjdPOVnUmw
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/3464-2-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral1/memory/3464-3-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/3464-18-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/3464-29-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral1/memory/3464-234-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/3464-306-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-309-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-318-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-343-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-560-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-903-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/392-1052-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1056-0x0000000005500000-0x0000000005DEB000-memory.dmp family_glupteba behavioral1/memory/5068-1057-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1266-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1572-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1802-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1807-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1812-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1814-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1816-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/5068-1818-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3512 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5068 csrss.exe 3948 injector.exe 4396 windefender.exe 304 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001afe0-1805.dat upx behavioral1/files/0x000700000001afe0-1808.dat upx behavioral1/files/0x000700000001afe0-1809.dat upx behavioral1/memory/4396-1811-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/304-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/304-1817-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/304-1819-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\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 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 -
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 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe File created C:\Windows\rss\csrss.exe 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.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 4180 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 3388 schtasks.exe 1596 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,-751 = "Tonga Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern 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,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\1e\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2596 powershell.exe 2596 powershell.exe 2596 powershell.exe 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 2400 powershell.exe 2400 powershell.exe 2400 powershell.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 4784 powershell.exe 4784 powershell.exe 4784 powershell.exe 3896 powershell.exe 3896 powershell.exe 3896 powershell.exe 3688 powershell.exe 3688 powershell.exe 3688 powershell.exe 1184 powershell.exe 1184 powershell.exe 1184 powershell.exe 4928 powershell.exe 4928 powershell.exe 4928 powershell.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 5068 csrss.exe 5068 csrss.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 5068 csrss.exe 5068 csrss.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 5068 csrss.exe 5068 csrss.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe 3948 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Token: SeImpersonatePrivilege 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4784 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeDebugPrivilege 3688 powershell.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeSystemEnvironmentPrivilege 5068 csrss.exe Token: SeSecurityPrivilege 4180 sc.exe Token: SeSecurityPrivilege 4180 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3464 wrote to memory of 2596 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 71 PID 3464 wrote to memory of 2596 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 71 PID 3464 wrote to memory of 2596 3464 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 71 PID 392 wrote to memory of 2400 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 76 PID 392 wrote to memory of 2400 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 76 PID 392 wrote to memory of 2400 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 76 PID 392 wrote to memory of 3112 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 78 PID 392 wrote to memory of 3112 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 78 PID 3112 wrote to memory of 3512 3112 cmd.exe 80 PID 3112 wrote to memory of 3512 3112 cmd.exe 80 PID 392 wrote to memory of 4784 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 81 PID 392 wrote to memory of 4784 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 81 PID 392 wrote to memory of 4784 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 81 PID 392 wrote to memory of 3896 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 83 PID 392 wrote to memory of 3896 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 83 PID 392 wrote to memory of 3896 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 83 PID 392 wrote to memory of 5068 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 85 PID 392 wrote to memory of 5068 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 85 PID 392 wrote to memory of 5068 392 1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe 85 PID 5068 wrote to memory of 3688 5068 csrss.exe 86 PID 5068 wrote to memory of 3688 5068 csrss.exe 86 PID 5068 wrote to memory of 3688 5068 csrss.exe 86 PID 5068 wrote to memory of 1184 5068 csrss.exe 93 PID 5068 wrote to memory of 1184 5068 csrss.exe 93 PID 5068 wrote to memory of 1184 5068 csrss.exe 93 PID 5068 wrote to memory of 4928 5068 csrss.exe 95 PID 5068 wrote to memory of 4928 5068 csrss.exe 95 PID 5068 wrote to memory of 4928 5068 csrss.exe 95 PID 5068 wrote to memory of 3948 5068 csrss.exe 97 PID 5068 wrote to memory of 3948 5068 csrss.exe 97 PID 4396 wrote to memory of 2940 4396 windefender.exe 104 PID 4396 wrote to memory of 2940 4396 windefender.exe 104 PID 4396 wrote to memory of 2940 4396 windefender.exe 104 PID 2940 wrote to memory of 4180 2940 cmd.exe 105 PID 2940 wrote to memory of 4180 2940 cmd.exe 105 PID 2940 wrote to memory of 4180 2940 cmd.exe 105 -
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\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe"C:\Users\Admin\AppData\Local\Temp\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Users\Admin\AppData\Local\Temp\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.exe"C:\Users\Admin\AppData\Local\Temp\1937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7.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:392 -
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:2400
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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:3112 -
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:3512
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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:4784
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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:3896
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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:5068 -
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:3688
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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:3388
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3296
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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:1184
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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:4928
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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:3948
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4396 -
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:2940 -
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:4180
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:304
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
1Replay 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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5bd67e7ddd83d29a0115812a650ef043c
SHA19d46ce678a855ef3619c74ad10482914aa4360ac
SHA256a2b84aaa8f1df61179d48c58e001d87a42996ddf7bab2964c09a20608bfba3e5
SHA512319de38a0da3c43d7602c2fcae0c65ae21031c1a5613fd053021d045a36fae23512efc3fc3ce1046681fdd5f4417c959ffeb7b8127a65aee27e49e5517f3cfd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5dd8cf2cb6a2e614bb92c58ed82fb0e2d
SHA1549a3515b618e62cafaad6eb7a53c72dd2ee2411
SHA256f4044db9c20fcbd0af80633af48a0d6f9a36a35e39953ef6ecb2e4b8c282a4f3
SHA512ce5b2517eca744abffc2f862a6105792075d13d06f8398db2ea92badbccff3bc1c4c32aa49cca4772526d9d84b2b3c9c0e99245ceafbe73689d3566845b744b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD569e0c0e16bd4dc456ff5d35d3bfbf043
SHA17fb4a82a10f8f45491211fc8a81d9538ccc80b83
SHA2562a5f2ff80dc883753b1fb13446af7a20993509355acc5dd23ead0014e0327157
SHA512c409deb5b54426c5b8b6b351c57781d18de43739e1e3e4f89e4a081c6c703f79ebe5700db9c117151f5cdc2674c83f6f20cff936c9a73ee3f6703ee3ef2c0eb2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5111a8153d33bd41b8b1ee7b1d3115af4
SHA1cdd9c6edcfc7454a46ffe609db3021f7d89da243
SHA256eaa6141a0e20cc6b0d68f3e04e4f525b65ace2fabe121c4cbe9bb54c1c6d07da
SHA512533b4ddd4577933aec1f7b3676385f2545630316d93b51bb2cda7f2767edda0899fc67fba815f25deebb2b0e10211dbf96a32044151eabc81af51b1bee310161
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD51d61b35d5ef27a9254f33f865be77962
SHA10155833f37d2243c2d876e7c18bcb1152ec7688d
SHA25675e9a138b41fc2b82fb7ed4c03ca02f11179a745900a6b2ef2123711e1afa377
SHA512b652fd80008342e62489df325abe1cb18b55f7a5cf183e7a9cc023bdf7e3d49c7c5989617d0864be8913e7697d6bf58e73f92ef071de28a5c2abafe20a4fc49d
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Filesize
4.1MB
MD5c3c9636b787a34b44be79a6080a1f1b7
SHA1086d58eaac2eb89e087bbe53452176be54848946
SHA2561937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7
SHA51267842abdd7a26cd4899bcdc6a4d22a0737a4601535585fb535702b29d150a828ebe98f50551df9e82bb36504d5d773b0f3f4121069afe549878853b7c92dfe3d
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Filesize
4.1MB
MD5c3c9636b787a34b44be79a6080a1f1b7
SHA1086d58eaac2eb89e087bbe53452176be54848946
SHA2561937c6e644117870ef557dfbde977f094a91109331d43f5ad8d28ecca6a248e7
SHA51267842abdd7a26cd4899bcdc6a4d22a0737a4601535585fb535702b29d150a828ebe98f50551df9e82bb36504d5d773b0f3f4121069afe549878853b7c92dfe3d
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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