Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 21:45
Static task
static1
Behavioral task
behavioral1
Sample
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe
Resource
win10v2004-20240508-en
General
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Target
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe
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Size
4.1MB
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MD5
f4a84c5f112f70eafbdc6972cfd6d69e
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SHA1
ae8e949bd3ebf489bd6d320e6c0031478ab87001
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SHA256
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1
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SHA512
e521236e6964e3a953def64daf23adc2ac5ec81b972e6b9e4e1dccf6bf7840517a5e5a9cfd9ae3db850731c3e7d4bc45f40a9b90c6fbbcc4cf3df6be72bac7f4
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SSDEEP
98304:kX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rl:kXPWAwQyCdJYw8Kggl
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/5044-2-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5044-73-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/5044-79-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/5044-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3780-123-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3780-193-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-194-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-204-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3584-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4028 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3584 csrss.exe 5032 injector.exe 1540 windefender.exe 2708 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9f5-207.dat upx behavioral2/memory/1540-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2708-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1540-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2708-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2708-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe -
Drops file in Windows directory 4 IoCs
Processes:
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe File created C:\Windows\rss\csrss.exe 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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.
Processes:
sc.exepid Process 2476 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 952 powershell.exe 3356 powershell.exe 2240 powershell.exe 3912 powershell.exe 4728 powershell.exe 3668 powershell.exe 4936 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3924 schtasks.exe 3916 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exepowershell.exe9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4936 powershell.exe 4936 powershell.exe 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 952 powershell.exe 952 powershell.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 3356 powershell.exe 3356 powershell.exe 2240 powershell.exe 2240 powershell.exe 3912 powershell.exe 3912 powershell.exe 4728 powershell.exe 4728 powershell.exe 3668 powershell.exe 3668 powershell.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 3584 csrss.exe 3584 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 3584 csrss.exe 3584 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 3584 csrss.exe 3584 csrss.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe 5032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Token: SeImpersonatePrivilege 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe Token: SeDebugPrivilege 952 powershell.exe Token: SeDebugPrivilege 3356 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeSystemEnvironmentPrivilege 3584 csrss.exe Token: SeSecurityPrivilege 2476 sc.exe Token: SeSecurityPrivilege 2476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5044 wrote to memory of 4936 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 81 PID 5044 wrote to memory of 4936 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 81 PID 5044 wrote to memory of 4936 5044 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 81 PID 3780 wrote to memory of 952 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 87 PID 3780 wrote to memory of 952 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 87 PID 3780 wrote to memory of 952 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 87 PID 3780 wrote to memory of 3800 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 89 PID 3780 wrote to memory of 3800 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 89 PID 3800 wrote to memory of 4028 3800 cmd.exe 91 PID 3800 wrote to memory of 4028 3800 cmd.exe 91 PID 3780 wrote to memory of 3356 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 92 PID 3780 wrote to memory of 3356 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 92 PID 3780 wrote to memory of 3356 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 92 PID 3780 wrote to memory of 2240 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 94 PID 3780 wrote to memory of 2240 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 94 PID 3780 wrote to memory of 2240 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 94 PID 3780 wrote to memory of 3584 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 96 PID 3780 wrote to memory of 3584 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 96 PID 3780 wrote to memory of 3584 3780 9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe 96 PID 3584 wrote to memory of 3912 3584 csrss.exe 97 PID 3584 wrote to memory of 3912 3584 csrss.exe 97 PID 3584 wrote to memory of 3912 3584 csrss.exe 97 PID 3584 wrote to memory of 4728 3584 csrss.exe 103 PID 3584 wrote to memory of 4728 3584 csrss.exe 103 PID 3584 wrote to memory of 4728 3584 csrss.exe 103 PID 3584 wrote to memory of 3668 3584 csrss.exe 105 PID 3584 wrote to memory of 3668 3584 csrss.exe 105 PID 3584 wrote to memory of 3668 3584 csrss.exe 105 PID 3584 wrote to memory of 5032 3584 csrss.exe 107 PID 3584 wrote to memory of 5032 3584 csrss.exe 107 PID 1540 wrote to memory of 3216 1540 windefender.exe 113 PID 1540 wrote to memory of 3216 1540 windefender.exe 113 PID 1540 wrote to memory of 3216 1540 windefender.exe 113 PID 3216 wrote to memory of 2476 3216 cmd.exe 114 PID 3216 wrote to memory of 2476 3216 cmd.exe 114 PID 3216 wrote to memory of 2476 3216 cmd.exe 114 -
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\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936
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C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.exe"C:\Users\Admin\AppData\Local\Temp\9b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1.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:3780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:952
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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:3800 -
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:4028
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3356
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2240
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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:3584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
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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:3924
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2288
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4728
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3668
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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:5032
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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:3916
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1540 -
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:3216 -
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:2476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2708
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c84c6205fdd462f909f56071f3c95c3
SHA18dfb30eadc299f22a6b618a68e0351870826d508
SHA256ee72dc12274e3a20ba482c5668eac602b78219222b4566daeeb2564eee0d631e
SHA51237e724a2dce3015d5db0bba9f34dd0715266aedb2e2559ee68cb6915a83c91bfaaf3df9ba03627b1e15d7ccbf96500e50ff73f312bdbed840c8b7cce5b47a860
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57216991cc1d20fc665a1756955aa3a0a
SHA1541f09515d344bfcef43f8bfaf2e9e769e5bf1fa
SHA2561a331438d005d45a739c4ed59c71f6c3ae61fb91ea6b7ffe479f91456232b503
SHA512d1b6152b3e0678cf31008517405eee5081f80e4799a9e473cc48ee815f91e27d2f5ae48a03f195d3f2a7fcf8a454ff00e9d33300f513b93d666d3a65be294fc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8e16ad481d03758a9b8a19112ea5654
SHA16f04726ed421f9483358bb26a319e905ebadb16f
SHA2563476d71c65739573f00851e4563d9e4ca728f13ca8a3eecbfdf8f660c1a48252
SHA512e9aeb69b030cbe67108683f7a85b59736f5e3231f4d8a1ccf2d0c7b248c3fbed3f3281e792bcb2e63f8d0b60eac63f40160dadf6124e27ca1750a5b6bbb09c96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574beae0cb06587269eb87156a2779122
SHA141bbd8def27a95beb27cdff608797cb0d3cccf49
SHA25678cb7ceca69409c1182cefd98f7dd892d21c8bd8407a0c2b37908d838eed60b4
SHA5125c9a6731782d96637b9b7344bf10268683dbb7252915d4514b09898bfb474ea919c92440ebc91c9d61cdf1006fe88293fb8e96f188b65393ac4e6596a23c6691
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5861a054bf5707e1213fa5f36c0f1ef75
SHA123da4793a87b0e07fb952d64486b330454acd130
SHA256c63701882e4b7077afb4a4b53977a4a5b307e25f5b042066d5196a448db7d4e2
SHA51250cd5f8434452176a3af5942d3246bc3dea464da574ad9bc1bfb56cf24e6c5f1f30ee3f99698d02dab139bb8aaff9caf230368c8f130f451c6385bea49ee4bf7
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Filesize
4.1MB
MD5f4a84c5f112f70eafbdc6972cfd6d69e
SHA1ae8e949bd3ebf489bd6d320e6c0031478ab87001
SHA2569b97302b7b62c095ded617f3dd5db6122df4f4ee37f42bf1e415d845900449f1
SHA512e521236e6964e3a953def64daf23adc2ac5ec81b972e6b9e4e1dccf6bf7840517a5e5a9cfd9ae3db850731c3e7d4bc45f40a9b90c6fbbcc4cf3df6be72bac7f4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec