Analysis
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max time kernel
150s -
max time network
152s -
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, 19:26
Static task
static1
Behavioral task
behavioral1
Sample
f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe
Resource
win10v2004-20240412-en
General
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Target
f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe
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Size
4.2MB
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MD5
bc0f4a52cb76c2c3cf27bbe9f586e456
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SHA1
5e525173276349ad03a64f28eb98a39502c3f321
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SHA256
f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b
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SHA512
295ee4e4af66bbd098f34f2e605413316b2853384189377309e61dac593ec82f3c78cf375cc5ede68c671715ec23731d1d02c5c5bf890fe325d9e1b7eb005034
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHej:5w6rquKXDtU1Y2GYniVjUHG
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2984-2-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral1/memory/2984-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1076-56-0x0000000003F70000-0x000000000485B000-memory.dmp family_glupteba behavioral1/memory/1076-57-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/2984-59-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/1076-156-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-188-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-257-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-272-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-278-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-284-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-290-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-293-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3544-296-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2108 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3544 csrss.exe 4976 injector.exe 1360 windefender.exe 4792 windefender.exe -
resource yara_rule behavioral1/files/0x0005000000016928-261.dat upx behavioral1/memory/1360-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4792-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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 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 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 -
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 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe File created C:\Windows\rss\csrss.exe f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.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 2080 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 4764 schtasks.exe 2600 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,-1471 = "Magadan Daylight Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1116 powershell.exe 1116 powershell.exe 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 4028 powershell.exe 4028 powershell.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 4792 powershell.exe 4792 powershell.exe 1132 powershell.exe 1132 powershell.exe 1132 powershell.exe 2608 powershell.exe 2608 powershell.exe 2608 powershell.exe 5048 powershell.exe 5048 powershell.exe 5048 powershell.exe 1404 powershell.exe 1404 powershell.exe 1404 powershell.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 3544 csrss.exe 3544 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 3544 csrss.exe 3544 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 3544 csrss.exe 3544 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1116 powershell.exe Token: SeDebugPrivilege 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Token: SeImpersonatePrivilege 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeSystemEnvironmentPrivilege 3544 csrss.exe Token: SeSecurityPrivilege 2080 sc.exe Token: SeSecurityPrivilege 2080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2984 wrote to memory of 1116 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 89 PID 2984 wrote to memory of 1116 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 89 PID 2984 wrote to memory of 1116 2984 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 89 PID 1076 wrote to memory of 4028 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 94 PID 1076 wrote to memory of 4028 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 94 PID 1076 wrote to memory of 4028 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 94 PID 1076 wrote to memory of 5056 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 98 PID 1076 wrote to memory of 5056 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 98 PID 5056 wrote to memory of 2108 5056 cmd.exe 100 PID 5056 wrote to memory of 2108 5056 cmd.exe 100 PID 1076 wrote to memory of 4792 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 101 PID 1076 wrote to memory of 4792 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 101 PID 1076 wrote to memory of 4792 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 101 PID 1076 wrote to memory of 1132 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 104 PID 1076 wrote to memory of 1132 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 104 PID 1076 wrote to memory of 1132 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 104 PID 1076 wrote to memory of 3544 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 106 PID 1076 wrote to memory of 3544 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 106 PID 1076 wrote to memory of 3544 1076 f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe 106 PID 3544 wrote to memory of 2608 3544 csrss.exe 121 PID 3544 wrote to memory of 2608 3544 csrss.exe 121 PID 3544 wrote to memory of 2608 3544 csrss.exe 121 PID 3544 wrote to memory of 5048 3544 csrss.exe 115 PID 3544 wrote to memory of 5048 3544 csrss.exe 115 PID 3544 wrote to memory of 5048 3544 csrss.exe 115 PID 3544 wrote to memory of 1404 3544 csrss.exe 117 PID 3544 wrote to memory of 1404 3544 csrss.exe 117 PID 3544 wrote to memory of 1404 3544 csrss.exe 117 PID 3544 wrote to memory of 4976 3544 csrss.exe 120 PID 3544 wrote to memory of 4976 3544 csrss.exe 120 PID 1360 wrote to memory of 2592 1360 windefender.exe 128 PID 1360 wrote to memory of 2592 1360 windefender.exe 128 PID 1360 wrote to memory of 2592 1360 windefender.exe 128 PID 2592 wrote to memory of 2080 2592 cmd.exe 129 PID 2592 wrote to memory of 2080 2592 cmd.exe 129 PID 2592 wrote to memory of 2080 2592 cmd.exe 129 -
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\f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe"C:\Users\Admin\AppData\Local\Temp\f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1116
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C:\Users\Admin\AppData\Local\Temp\f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.exe"C:\Users\Admin\AppData\Local\Temp\f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b.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:1076 -
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:4028
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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:5056 -
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:2108
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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:4792
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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:1132
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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:3544 -
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:2608
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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:2600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3796
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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:5048
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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:1404
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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:4976 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2608
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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:4764
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1360 -
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:2592 -
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:2080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4792
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54589829c886b20003cfe601e15b4cfe9
SHA1dcfef6a2dfdb170047710baefb4681713b7c0b20
SHA256497713c044e50fe708a4adb05beb047a4a8f55200cc83266b0050b2c1fd82e1f
SHA51229bcd64a49c550e8512de5054e45839962b50c61b9416b06abe9380c0db0b274e39f00fac75ae4bf65e1eb48450b8cb95196ee01f8a68d5e336935f0b6bc0f84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55447b4bfa70d3077ca685d6a73c49873
SHA11236a108d068196cc68e98027fa3a5988d59b654
SHA2569f467b07f52743cbc10160c94567d828b869dc4b0f8ecf4e0aad3015b02fd225
SHA51227dbd15f7e06cc5aa5de1a9828267bdc6666ddc90445bc14f998f5b2ee1deeaa95fc079141b2889cd079bf34b666c8b6ff95107648e1edf2455d7dea161cc128
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5724da823293d276c4ebf7273715d0a95
SHA13ac4d4881caebb75ac7dcb7c08a28a7661ef2f6a
SHA256cd4911fcbf922a50b6b578ea03c0548fa24dbf5d63a812bffc636e0d874d2ddd
SHA51220e3b580175bc7e77c560a69e1fc6326cb2437af4d500cd0fe5c745844ad22384ae13aeee73d79aae6e0320871fb5589cde6cd3d398a0779352045226e61bfb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f7a3bfaecc8b146d9ee6f5d7fcc859d
SHA14ad39b953633ff7f15df5f2c90e7288321cbe71a
SHA256e52ece06e77dd8dc0c637241e2421388bf8d08581f7ac3d86977403fd90042bb
SHA5128b35feb51a74b9592b02a1920daa5cba20af0124d34df49edd72577eb52f79e9aa4d247a71401e2c896236a90b4842a4e2dc37896fcc77d3a49108a44a1988fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55288400d4316c871579cfd2d2a5b2e56
SHA1b6c1cf5239ef8ba329207e85037ba5ee5fc954a3
SHA2564db45af8118db23c258ad88de443b22a512ca858280471078e8d720ff47aeb66
SHA5120fa22e638fbf995f9eb3be447e4a611476047504c92f686ed8fac5231b6b2fe34d99a6701779d335d83c7486620c04122303ceef73d80bad5df9a1e6dd8e0132
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Filesize
4.2MB
MD5bc0f4a52cb76c2c3cf27bbe9f586e456
SHA15e525173276349ad03a64f28eb98a39502c3f321
SHA256f974e4939e43a6d24b223f3ef24fce6e0e313e8d521a285e998abd2033d7e54b
SHA512295ee4e4af66bbd098f34f2e605413316b2853384189377309e61dac593ec82f3c78cf375cc5ede68c671715ec23731d1d02c5c5bf890fe325d9e1b7eb005034
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec