Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2024 10:00
Static task
static1
Behavioral task
behavioral1
Sample
1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe
Resource
win10v2004-20240426-en
General
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Target
1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe
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Size
4.2MB
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MD5
3bd0da806f8530844c9ef011f697b022
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SHA1
c94c9b638a96a3d16438b123ccf5074305c10efa
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SHA256
1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b
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SHA512
7fadd8f4959b7c6fbc65414df3a44a31a7cf747c18173230a57d282d5229b472ef9e771b10c892e434f693eddb07abae03c2b746412e19cc54699d032adde743
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SSDEEP
98304:n/b+KJmiBMor9GQLaPpt0vK/+kpZQUDoPdzttRPI9D4Y5T6eALBIF:z+KAorFLaPpt06r/QU0Pd5tRu4YZ6eX
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3048-2-0x0000000003E60000-0x000000000474B000-memory.dmp family_glupteba behavioral1/memory/3048-3-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/3048-57-0x0000000003E60000-0x000000000474B000-memory.dmp family_glupteba behavioral1/memory/3048-56-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/4620-135-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-220-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-230-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-232-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-234-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-236-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-238-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-240-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-242-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-244-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-246-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-248-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-250-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba behavioral1/memory/2360-252-0x0000000000400000-0x0000000001DF4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4236 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2360 csrss.exe 4092 injector.exe 2480 windefender.exe 1472 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002341a-223.dat upx behavioral1/memory/2480-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2480-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe File created C:\Windows\rss\csrss.exe 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.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 1260 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3168 3048 WerFault.exe 81 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2064 schtasks.exe 2880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.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,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar 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\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 516 powershell.exe 516 powershell.exe 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 3028 powershell.exe 3028 powershell.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 4288 powershell.exe 4288 powershell.exe 1872 powershell.exe 1872 powershell.exe 4864 powershell.exe 4864 powershell.exe 556 powershell.exe 556 powershell.exe 1288 powershell.exe 1288 powershell.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 2360 csrss.exe 2360 csrss.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 2360 csrss.exe 2360 csrss.exe 4092 injector.exe 4092 injector.exe 2360 csrss.exe 2360 csrss.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe 4092 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 516 powershell.exe Token: SeDebugPrivilege 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Token: SeImpersonatePrivilege 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 1288 powershell.exe Token: SeSystemEnvironmentPrivilege 2360 csrss.exe Token: SeSecurityPrivilege 1260 sc.exe Token: SeSecurityPrivilege 1260 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3048 wrote to memory of 516 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 85 PID 3048 wrote to memory of 516 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 85 PID 3048 wrote to memory of 516 3048 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 85 PID 4620 wrote to memory of 3028 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 95 PID 4620 wrote to memory of 3028 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 95 PID 4620 wrote to memory of 3028 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 95 PID 4620 wrote to memory of 3436 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 97 PID 4620 wrote to memory of 3436 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 97 PID 3436 wrote to memory of 4236 3436 cmd.exe 99 PID 3436 wrote to memory of 4236 3436 cmd.exe 99 PID 4620 wrote to memory of 4288 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 100 PID 4620 wrote to memory of 4288 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 100 PID 4620 wrote to memory of 4288 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 100 PID 4620 wrote to memory of 1872 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 102 PID 4620 wrote to memory of 1872 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 102 PID 4620 wrote to memory of 1872 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 102 PID 4620 wrote to memory of 2360 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 104 PID 4620 wrote to memory of 2360 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 104 PID 4620 wrote to memory of 2360 4620 1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe 104 PID 2360 wrote to memory of 4864 2360 csrss.exe 105 PID 2360 wrote to memory of 4864 2360 csrss.exe 105 PID 2360 wrote to memory of 4864 2360 csrss.exe 105 PID 2360 wrote to memory of 556 2360 csrss.exe 111 PID 2360 wrote to memory of 556 2360 csrss.exe 111 PID 2360 wrote to memory of 556 2360 csrss.exe 111 PID 2360 wrote to memory of 1288 2360 csrss.exe 113 PID 2360 wrote to memory of 1288 2360 csrss.exe 113 PID 2360 wrote to memory of 1288 2360 csrss.exe 113 PID 2360 wrote to memory of 4092 2360 csrss.exe 115 PID 2360 wrote to memory of 4092 2360 csrss.exe 115 PID 2480 wrote to memory of 2964 2480 windefender.exe 121 PID 2480 wrote to memory of 2964 2480 windefender.exe 121 PID 2480 wrote to memory of 2964 2480 windefender.exe 121 PID 2964 wrote to memory of 1260 2964 cmd.exe 122 PID 2964 wrote to memory of 1260 2964 cmd.exe 122 PID 2964 wrote to memory of 1260 2964 cmd.exe 122 -
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\1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe"C:\Users\Admin\AppData\Local\Temp\1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516
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C:\Users\Admin\AppData\Local\Temp\1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.exe"C:\Users\Admin\AppData\Local\Temp\1c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b.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:4620 -
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:3028
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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:3436 -
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:4236
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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:4288
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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:1872
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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:2360 -
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:4864
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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:2064
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4808
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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:556
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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:1288
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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:4092
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2480 -
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:2964 -
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:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 9842⤵
- Program crash
PID:3168
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3048 -ip 30481⤵PID:3780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1472
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
MD5236fe60c809333a0d9739818f469e252
SHA1c228edfdeae214c7e1e421b1da127a5ccd8c0642
SHA256d38cf1f333a29c11aa6d576d8196406db8ec45225ff95ed48752df39a7620d6b
SHA512fdc3edadd7822b664156520ef35882e5ebb67fc1c7cbf95a799ea1ec4101042231e831bf01534666c1023713a7453a741d57ff65dca828d97ff4a30adbf62a0f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae1bb92b7d1ea5924565d808fb764be4
SHA1d8d6a1490b5c995b5de40290eada3d7b19564fc9
SHA256b7f962439ed2330192027dca6c0ea9a7b7c444d5e66a6a4a435acce5c9194e6b
SHA5127c51acaa7f3353a977d9e7e96d9d8f22a96336ea770d0032147a7ece9989e45c171f17c1b17002077be90b7428255f45d4a34ad88c8320fc70e52e52f11d2819
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e15de4873db49888e2ee715ff1c544dc
SHA197c544c9a4eb8b337f02e38447936e6f1c856204
SHA2560afe03b25f346473e3e09170704c94bc8faf31688a0d49beaad8d4fea2418cc0
SHA512c942d5d5d79764e86edbc32ca2afb5f3009cbff1fbdbc87062fdc4273b735d858463a285de238b9765b71129c3637e0ad3260648bdfebc0d9a40688b6d7fe89b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53bf811de037ea840d30571a95a2bbf7a
SHA16efee88570174c916ddb15f7b61fafc5c319017a
SHA256a6a3ac3d2b4808eb0807060b8bf3d33c38a0713f5b69be28bb0bc38269fe725f
SHA5121e4d467df863eaaaf992cd810042714b481f52e6542cc41078a50cb62dd24f96cbe0f03c148f3feab08ccf03052f41372c8660bdf5fbfeca00ff9ecd533a1224
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a221823e270a2fca218c51eb92952e5
SHA1302f9e5c55a7208445d1aa584d3417582ecdcc7b
SHA256a059dd1e1f95812884d7cbf8db8378e6ce5fe473d9ecb02b3bbc795120e66eaf
SHA512515aa6545d541133a0243e3d2be08af344e281fefc688822b1f59c240b7069125db3852161ccb81494105cfad25c74274d6ba28085cb602b1353de9fc0e7a442
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Filesize
4.2MB
MD53bd0da806f8530844c9ef011f697b022
SHA1c94c9b638a96a3d16438b123ccf5074305c10efa
SHA2561c87cffcaf1760a57fc5ea7507aef88776d9af03b029df0df1bd61284b2e488b
SHA5127fadd8f4959b7c6fbc65414df3a44a31a7cf747c18173230a57d282d5229b472ef9e771b10c892e434f693eddb07abae03c2b746412e19cc54699d032adde743
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec