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Analysis
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max time kernel
149s -
max time network
129s -
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, 02:03
Static task
static1
Behavioral task
behavioral1
Sample
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe
Resource
win10v2004-20240508-en
General
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Target
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe
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Size
4.1MB
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MD5
810cd2c0d8c9e9c32c420bfcd2f0f49e
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SHA1
a7d2600a860b302cdbf90df5dffcc10da247edd0
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SHA256
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8
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SHA512
a631a335801fcf1eb2642c857f9005beb2d4a72e01d63730aebf0aed32900338132b5c22710bf3ac889b47ef4278c2ca5f2a85500dda228f8ea497dd931b5581
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SSDEEP
98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22r:8rcnZFqd2LRPP3hYhQZr
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3756-2-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/3756-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3756-74-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3756-98-0x0000000004590000-0x0000000004E7B000-memory.dmp family_glupteba behavioral2/memory/2820-124-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/3756-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1720-198-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-209-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-212-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-215-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-217-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-220-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-224-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-227-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-229-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-232-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-236-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-239-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1720-241-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1096 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1720 csrss.exe 4668 injector.exe 4500 windefender.exe 4120 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2e-202.dat upx behavioral2/memory/4500-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4120-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4500-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4120-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4120-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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\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 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 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe File created C:\Windows\rss\csrss.exe 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe File created 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 2152 sc.exe -
pid Process 3540 powershell.exe 4812 powershell.exe 2808 powershell.exe 2040 powershell.exe 4236 powershell.exe 4528 powershell.exe 4068 powershell.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 4880 schtasks.exe 4540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard 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)" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2040 powershell.exe 2040 powershell.exe 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 4236 powershell.exe 4236 powershell.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 4528 powershell.exe 4528 powershell.exe 4068 powershell.exe 4068 powershell.exe 3540 powershell.exe 3540 powershell.exe 4812 powershell.exe 4812 powershell.exe 2808 powershell.exe 2808 powershell.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 1720 csrss.exe 1720 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 1720 csrss.exe 1720 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 1720 csrss.exe 1720 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2040 powershell.exe Token: SeDebugPrivilege 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Token: SeImpersonatePrivilege 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 2808 powershell.exe Token: SeSystemEnvironmentPrivilege 1720 csrss.exe Token: SeSecurityPrivilege 2152 sc.exe Token: SeSecurityPrivilege 2152 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3756 wrote to memory of 2040 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 79 PID 3756 wrote to memory of 2040 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 79 PID 3756 wrote to memory of 2040 3756 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 79 PID 2820 wrote to memory of 4236 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 84 PID 2820 wrote to memory of 4236 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 84 PID 2820 wrote to memory of 4236 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 84 PID 2820 wrote to memory of 2000 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 86 PID 2820 wrote to memory of 2000 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 86 PID 2000 wrote to memory of 1096 2000 cmd.exe 88 PID 2000 wrote to memory of 1096 2000 cmd.exe 88 PID 2820 wrote to memory of 4528 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 89 PID 2820 wrote to memory of 4528 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 89 PID 2820 wrote to memory of 4528 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 89 PID 2820 wrote to memory of 4068 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 2820 wrote to memory of 4068 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 2820 wrote to memory of 4068 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 2820 wrote to memory of 1720 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 93 PID 2820 wrote to memory of 1720 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 93 PID 2820 wrote to memory of 1720 2820 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 93 PID 1720 wrote to memory of 3540 1720 csrss.exe 94 PID 1720 wrote to memory of 3540 1720 csrss.exe 94 PID 1720 wrote to memory of 3540 1720 csrss.exe 94 PID 1720 wrote to memory of 4812 1720 csrss.exe 100 PID 1720 wrote to memory of 4812 1720 csrss.exe 100 PID 1720 wrote to memory of 4812 1720 csrss.exe 100 PID 1720 wrote to memory of 2808 1720 csrss.exe 102 PID 1720 wrote to memory of 2808 1720 csrss.exe 102 PID 1720 wrote to memory of 2808 1720 csrss.exe 102 PID 1720 wrote to memory of 4668 1720 csrss.exe 104 PID 1720 wrote to memory of 4668 1720 csrss.exe 104 PID 4500 wrote to memory of 2852 4500 windefender.exe 110 PID 4500 wrote to memory of 2852 4500 windefender.exe 110 PID 4500 wrote to memory of 2852 4500 windefender.exe 110 PID 2852 wrote to memory of 2152 2852 cmd.exe 111 PID 2852 wrote to memory of 2152 2852 cmd.exe 111 PID 2852 wrote to memory of 2152 2852 cmd.exe 111 -
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\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2040
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C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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:2820 -
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:4236
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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:2000 -
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:1096
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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:4528
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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:4068
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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:1720 -
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:3540
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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:4880
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1992
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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:4812
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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:2808
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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:4668
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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:4540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4500 -
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:2852 -
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:2152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4120
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
MD5f38b316fcd5f76618b4f30a3d3d3e3a9
SHA18d6ba5960fdfd65f79ca17ae52632c7d5baa7b4c
SHA25680c66f0f72af1985bceefef09b791331804584cff85beaf09cbe7b51db73169e
SHA512c07354a855a76376ddfc5093537af4941fff22f5736bd0a7be167825cd295c5c5b1ae27e83a7b7c26e8d0bc6cf7a7700ede616663560da031d0a0af36cf0a477
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572787f655835a3528e524e40d8b7309b
SHA11c0ef83565d9afca9cc7e96172e6d44ad0b24e5a
SHA2568a76d3f352d74f92f611c1a2347d133d2edcda093bb833fbe871e5dd3e7c06c9
SHA51219dda89aec533baea660558ba44f9ba5a55aa328bb747bd19b69c3de95712cdf49a856911741889182161c395266b07b41a71eb7d5eae41436c8483898cce1e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b885e35f1857599e242f977ee9f00a4
SHA1b05f62055fea7bfb33859e53160d0aafb30ced4b
SHA256231f088aa26edad173fde160de9c03a0fc3f6bc456b8029ca379ce8e7b40554f
SHA512c1107107d19a76a4e374c0772e83e5352e944a64c7f614b5cd2f97f258fe4be4affa2301b76f4f942dabc32ef75ed27d3df7b62c93db4cf8ba632bb7031d003b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4ccd87ae579c767a153f4380b58ac08
SHA10710963c4e9c67182beeab84f620005fd01b1d78
SHA256b5e30494e879fc83e1dcd6bfb5d7d9e1ceb7c5183477101cbe2877c216b7816e
SHA5126ce7bf047d069c97012986a6bc9979773dbb6a81171ffef796118f0369835c22a833287e3d0ef515c2344ec0a951dcbd740997c2352fe5ea85634825538d193c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed1144c2309ff2587092c7f3dc0dcf52
SHA14af26da47b8f044e537b371d2b91516b1ae79b8c
SHA2568fc444baa8b061be1f01f0563972c56e1f4e69c46fcb1c5c1ad1c10e3da5ba15
SHA512c4b8135f5b38a29f5015f34bb9e10864147143e1cee8c5272c8ce5f60a4de22cff550dc374e5738cb2797ecb8030869478c1ce829ca6a33a32bbb783a9817d99
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Filesize
4.1MB
MD5810cd2c0d8c9e9c32c420bfcd2f0f49e
SHA1a7d2600a860b302cdbf90df5dffcc10da247edd0
SHA25611f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8
SHA512a631a335801fcf1eb2642c857f9005beb2d4a72e01d63730aebf0aed32900338132b5c22710bf3ac889b47ef4278c2ca5f2a85500dda228f8ea497dd931b5581
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec