Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe
Resource
win10v2004-20240426-en
General
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Target
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe
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Size
4.1MB
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MD5
0acfd9a919726a481ca756f6abad0ac0
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SHA1
c142555a1091b14516a5a43d829fbdf88ca5b14a
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SHA256
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578
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SHA512
11f3014889f675ae70d2d016a1ffca0686b59ed1020a91ba7660b7a6096abaae001d463e2297571eeba076994fcb8d669586e468ecccfa7e97d52a89177e5ceb
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SSDEEP
98304:1/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU80:FlgkYS1OmbburVLyO2P5x7Yb4e
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4708-2-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4708-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4708-88-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4708-120-0x0000000002E40000-0x000000000372B000-memory.dmp family_glupteba behavioral2/memory/4212-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2036-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4388 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2036 csrss.exe 3420 injector.exe 4488 windefender.exe 1888 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002aa13-205.dat upx behavioral2/memory/4488-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4488-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1888-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1888-220-0x0000000000400000-0x00000000008DF000-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\"" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe File created C:\Windows\rss\csrss.exe 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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 4044 sc.exe -
pid Process 3564 powershell.exe 1624 powershell.exe 4912 powershell.exe 1096 powershell.exe 1728 powershell.exe 2696 powershell.exe 876 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 2792 schtasks.exe 4924 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\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4912 powershell.exe 4912 powershell.exe 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 1096 powershell.exe 1096 powershell.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 1728 powershell.exe 1728 powershell.exe 2696 powershell.exe 2696 powershell.exe 876 powershell.exe 876 powershell.exe 3564 powershell.exe 3564 powershell.exe 1624 powershell.exe 1624 powershell.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2036 csrss.exe 2036 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2036 csrss.exe 2036 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 2036 csrss.exe 2036 csrss.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe 3420 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeImpersonatePrivilege 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 876 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeSystemEnvironmentPrivilege 2036 csrss.exe Token: SeSecurityPrivilege 4044 sc.exe Token: SeSecurityPrivilege 4044 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4708 wrote to memory of 4912 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 82 PID 4708 wrote to memory of 4912 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 82 PID 4708 wrote to memory of 4912 4708 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 82 PID 4212 wrote to memory of 1096 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 89 PID 4212 wrote to memory of 1096 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 89 PID 4212 wrote to memory of 1096 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 89 PID 4212 wrote to memory of 1168 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 92 PID 4212 wrote to memory of 1168 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 92 PID 1168 wrote to memory of 4388 1168 cmd.exe 94 PID 1168 wrote to memory of 4388 1168 cmd.exe 94 PID 4212 wrote to memory of 1728 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 97 PID 4212 wrote to memory of 1728 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 97 PID 4212 wrote to memory of 1728 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 97 PID 4212 wrote to memory of 2696 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 99 PID 4212 wrote to memory of 2696 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 99 PID 4212 wrote to memory of 2696 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 99 PID 4212 wrote to memory of 2036 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 4212 wrote to memory of 2036 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 4212 wrote to memory of 2036 4212 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 101 PID 2036 wrote to memory of 876 2036 csrss.exe 102 PID 2036 wrote to memory of 876 2036 csrss.exe 102 PID 2036 wrote to memory of 876 2036 csrss.exe 102 PID 2036 wrote to memory of 3564 2036 csrss.exe 108 PID 2036 wrote to memory of 3564 2036 csrss.exe 108 PID 2036 wrote to memory of 3564 2036 csrss.exe 108 PID 2036 wrote to memory of 1624 2036 csrss.exe 110 PID 2036 wrote to memory of 1624 2036 csrss.exe 110 PID 2036 wrote to memory of 1624 2036 csrss.exe 110 PID 2036 wrote to memory of 3420 2036 csrss.exe 112 PID 2036 wrote to memory of 3420 2036 csrss.exe 112 PID 4488 wrote to memory of 1820 4488 windefender.exe 118 PID 4488 wrote to memory of 1820 4488 windefender.exe 118 PID 4488 wrote to memory of 1820 4488 windefender.exe 118 PID 1820 wrote to memory of 4044 1820 cmd.exe 119 PID 1820 wrote to memory of 4044 1820 cmd.exe 119 PID 1820 wrote to memory of 4044 1820 cmd.exe 119 -
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\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4912
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C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe"C:\Users\Admin\AppData\Local\Temp\2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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:4212 -
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:1096
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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:1168 -
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:4388
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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:1728
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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:2696
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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:2036 -
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:876
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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:2792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:392
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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:3564
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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:1624
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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:3420
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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:4924
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4488 -
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:1820 -
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:4044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1888
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
MD535468b6584b40c86ba40a7755d9a4252
SHA13bf4f268d0c44cd30a80d6e3efdb4c5189c419cb
SHA2567f63a277b6e84935378269cc271a1f99cd7c341b0be34d891e99bf402d81160b
SHA512d1299bb364801569c471a0e6b2c34748ad478a0936b14a6954e85998528ab8e29a025aeda66c50892080dcf8adf14c468372e782336ce6f9684732e005a22cf4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee20a69a27306c1abff49e19e32db73d
SHA1938dcc61bcaa2f20fd2f392a4267d38161faabb6
SHA256dda8e794807c6408918c994a935dfa3424d4fbbfefabb965ccbbe5574ce3eac1
SHA512790c96fd30c7dbe743b478924713d048e5c828cc100f06b02bde8cc6d28064b7b1e72345c837a3cce1947351f9ebbd5def40b5bb05d6d74a9e8529112d4f0249
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d7f488223369c1da1d9398d17ebe415
SHA195a0b06a9b72b57bdd2d994427fb556047f4ed67
SHA2568ebc2a1e765e613e831d79abe56f1920cb1fba69c5f4e9e97d87af6212e7f5e4
SHA512c76d0f0f9d8ecb130e5b040c76660da19737c0e8be03e6bae4e34ec604377f224d65bf6ed33ffaffe75eba255bf463103bbad756ce929eb92c548b3aeedac7ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3959db1be205961112374dc21e97b93
SHA1e31ba2fec104d69e61469470b37a3fb01faefe8f
SHA256a510394feedfa559346806fb91f63989fa31860b9ec0faf52a24e9c9c2ae6bc4
SHA5127fba126b8924836188f0573e81fea15350354d9152d94aa1a765cf8eff76595138630681d4da12bdf8ccd65d570820bab41d0b27058608163dfb3fd1d5ef071d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b2db4d1f790e628aa5841fa7c5243dc
SHA12e90a7c674680f3b5798f14510e2c97e06fc2deb
SHA256281da1cc7b0647278eb41c7a327933770ec3154a68e921949eb5eed2959cfab1
SHA512bf40dbd5427a5de15d39b198c27b74b3f644ddb4b8741abf389a6133996e33c807342fd14cec718c5f40d2483058bb79d400666ff10759809698e86d7a59dd8b
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Filesize
4.1MB
MD50acfd9a919726a481ca756f6abad0ac0
SHA1c142555a1091b14516a5a43d829fbdf88ca5b14a
SHA2562da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578
SHA51211f3014889f675ae70d2d016a1ffca0686b59ed1020a91ba7660b7a6096abaae001d463e2297571eeba076994fcb8d669586e468ecccfa7e97d52a89177e5ceb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec