Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 10:06
Static task
static1
Behavioral task
behavioral1
Sample
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe
Resource
win7-20240508-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 15 IoCs
Processes:
resource yara_rule behavioral2/memory/1192-102-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4068-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2336-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3980 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2336 csrss.exe 2356 injector.exe 1872 windefender.exe 3628 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000b000000023394-215.dat upx behavioral2/memory/1872-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1872-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3628-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3628-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe -
Drops file in Windows directory 4 IoCs
Processes:
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.execsrss.exedescription 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.
Processes:
sc.exepid Process 852 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3504 powershell.exe 4764 powershell.exe 1588 powershell.exe 1872 powershell.exe 4052 powershell.exe 1276 powershell.exe 3204 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4716 schtasks.exe 3828 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-262 = "GMT Standard 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,-752 = "Tonga Standard 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,-681 = "E. Australia Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.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,-1972 = "Belarus Standard 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-501 = "Nepal Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard 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" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exepowershell.exe2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1872 powershell.exe 1872 powershell.exe 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4052 powershell.exe 4052 powershell.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 1276 powershell.exe 1276 powershell.exe 3204 powershell.exe 3204 powershell.exe 3504 powershell.exe 3504 powershell.exe 4764 powershell.exe 4764 powershell.exe 1588 powershell.exe 1588 powershell.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2336 csrss.exe 2336 csrss.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2336 csrss.exe 2336 csrss.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2336 csrss.exe 2336 csrss.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe 2356 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeImpersonatePrivilege 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 3504 powershell.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeSystemEnvironmentPrivilege 2336 csrss.exe Token: SeSecurityPrivilege 852 sc.exe Token: SeSecurityPrivilege 852 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1192 wrote to memory of 1872 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 1192 wrote to memory of 1872 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 1192 wrote to memory of 1872 1192 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 86 PID 4068 wrote to memory of 4052 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 4068 wrote to memory of 4052 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 4068 wrote to memory of 4052 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 94 PID 4068 wrote to memory of 64 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 97 PID 4068 wrote to memory of 64 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 97 PID 64 wrote to memory of 3980 64 cmd.exe 99 PID 64 wrote to memory of 3980 64 cmd.exe 99 PID 4068 wrote to memory of 1276 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 100 PID 4068 wrote to memory of 1276 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 100 PID 4068 wrote to memory of 1276 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 100 PID 4068 wrote to memory of 3204 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 4068 wrote to memory of 3204 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 4068 wrote to memory of 3204 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 103 PID 4068 wrote to memory of 2336 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 4068 wrote to memory of 2336 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 4068 wrote to memory of 2336 4068 2da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578.exe 105 PID 2336 wrote to memory of 3504 2336 csrss.exe 106 PID 2336 wrote to memory of 3504 2336 csrss.exe 106 PID 2336 wrote to memory of 3504 2336 csrss.exe 106 PID 2336 wrote to memory of 4764 2336 csrss.exe 111 PID 2336 wrote to memory of 4764 2336 csrss.exe 111 PID 2336 wrote to memory of 4764 2336 csrss.exe 111 PID 2336 wrote to memory of 1588 2336 csrss.exe 114 PID 2336 wrote to memory of 1588 2336 csrss.exe 114 PID 2336 wrote to memory of 1588 2336 csrss.exe 114 PID 2336 wrote to memory of 2356 2336 csrss.exe 116 PID 2336 wrote to memory of 2356 2336 csrss.exe 116 PID 1872 wrote to memory of 3900 1872 windefender.exe 125 PID 1872 wrote to memory of 3900 1872 windefender.exe 125 PID 1872 wrote to memory of 3900 1872 windefender.exe 125 PID 3900 wrote to memory of 852 3900 cmd.exe 126 PID 3900 wrote to memory of 852 3900 cmd.exe 126 PID 3900 wrote to memory of 852 3900 cmd.exe 126 -
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:1192 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872
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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:4068 -
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:4052
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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:64 -
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:3980
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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:1276
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3204
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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:2336 -
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:3504
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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:4716
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3032
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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:4764
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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:1588
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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:2356
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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:3828
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1872 -
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:3900 -
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:852
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3628
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
MD5464b649f1746d6e59e73bd1551a0b102
SHA18301f116e58bf83f233496fc71a48e6f98ba1e9a
SHA2567fce690288256b6202b864fcfc0bc7c22a3524203452e4d59d2d46798ff429f1
SHA512eef57514adc3e126c572b924872a0188a4e78bf4ca10c3ec38826e59f5734f5bddf4f7aed9e0167ede14c8fdcaabd9467b42ece5ee71e04fa36e4e2f7088f60a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516e074691e95b32882d37ff282d42c33
SHA1b9d26678377da8a13685a19f6fe1ef05e21ef758
SHA256c4db0c211848d86ce27f880c94191104627710c83dcba40b6e491d9e7ff60717
SHA512aed257a7612f892e673f6b903d4e88ccdf7c4d9d3782e39a0d1ccd1b0507b013ce7c93fd36d7820a6cd66874ffbf38b27ff70bc54e95190624d1d897f0b99cd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538cda502c2ef2ea0af1d8a63009a7fd7
SHA1858ce406f4736ee87040c6b1fac53fe3af9470ad
SHA25618aeb56dc777ad53c4d53f4f47ce99ad43f3f0c3187af7ecf69e81e085b484bb
SHA512064d81c8f571c763774b6712b1884418518d21cd3fa048390363b7ef91456a4a369ddbbd93449524a9e1f65085ea574a24a85437e8e0d0e83dd3ee73a3aed956
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c572efdf2cf5f9f1c9f9540737e79a74
SHA1784bf63347ad923e8334255c20a948be3ab0894f
SHA2566171210d8f414a96ce9979ca33466f40ed73021075305796b102f0a55a9da7b2
SHA512a965e85a7f5608ce74148f6363219d0826688ccca607c237c5b94cb379368ddcf8b968b648c4a78d0c4b36ac96b23cc12e95cb34a874f14c28bbaaefe7455139
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586d91f6b11c09fad7b1935b89a38ed30
SHA1efc04c6733b22f7376b8b4536578212c9323cb24
SHA25602749dbb60c838b3c85524bd88a0bae82a2883b7d4dc5171220cfc8ae3bd322f
SHA512c2cebcf8bc2f53803e048b28637a1aaef553c42a57ba400e5963ec2b654b2b134ff5645a6ed9f16b65131d55c7268ac78e1eb0802d37f6a3aed91c04806278ac
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Filesize
4.1MB
MD50acfd9a919726a481ca756f6abad0ac0
SHA1c142555a1091b14516a5a43d829fbdf88ca5b14a
SHA2562da879b1bc0247755178cd03a6eac747182811967f68400fcbcf6da642023578
SHA51211f3014889f675ae70d2d016a1ffca0686b59ed1020a91ba7660b7a6096abaae001d463e2297571eeba076994fcb8d669586e468ecccfa7e97d52a89177e5ceb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec