Analysis
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max time kernel
267s -
max time network
277s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
23-10-2023 04:58
Static task
static1
Behavioral task
behavioral1
Sample
c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe
Resource
win7-20230831-en
General
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Target
c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe
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Size
4.1MB
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MD5
b4070bdcc53756e8ffb87bda03ce88b9
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SHA1
410febe394a56d5abcf60f99a92b58468b313093
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SHA256
c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d
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SHA512
2653b07182d29283a7b55daa8d18529d20298c2980e86c482152027c7b2aa2b1b27419b4acb24a17dc75e2a895df2884c53085cf75a0a7145967f13c6ba1c90f
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SSDEEP
98304:sNdvpvx0oD1sAdbHKtGVnIDZNAwfvCYz0aIgKoD6l1Ox5g0Y7lKK5:KvpJrHbwYM7AwfaYzEhtvOw0YN
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral2/memory/2360-2-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral2/memory/2360-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2360-74-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral2/memory/2360-154-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2360-305-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4344-814-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4344-1048-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1059-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1557-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1808-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1817-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1819-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1821-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1896-1830-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3812 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4628 injector.exe 596 windefender.exe 5076 windefender.exe 4188 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral2/files/0x000700000001ac02-1811.dat upx behavioral2/files/0x000700000001ac02-1813.dat upx behavioral2/files/0x000700000001ac02-1814.dat upx behavioral2/memory/596-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5076-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5076-1822-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000600000001ac03-1826.dat upx behavioral2/files/0x000600000001ac03-1828.dat upx behavioral2/memory/5076-1829-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4188-1831-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral2/memory/4188-1833-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe = "0" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive sc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Drops file in Windows directory 2 IoCs
description ioc Process 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 2076 sc.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 4528 schtasks.exe 1184 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates sc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates sc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3492 powershell.exe 3492 powershell.exe 3492 powershell.exe 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe 4604 powershell.exe 4604 powershell.exe 4604 powershell.exe 3296 powershell.exe 3296 powershell.exe 3296 powershell.exe 1912 powershell.exe 1912 powershell.exe 1912 powershell.exe 3404 powershell.exe 3404 powershell.exe 3404 powershell.exe 2076 sc.exe 2076 sc.exe 2076 sc.exe 4140 powershell.exe 4140 powershell.exe 4140 powershell.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1896 csrss.exe 1896 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1896 csrss.exe 1896 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 1896 csrss.exe 1896 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Token: SeImpersonatePrivilege 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 2076 sc.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeSystemEnvironmentPrivilege 1896 csrss.exe Token: SeSecurityPrivilege 2076 sc.exe Token: SeSecurityPrivilege 2076 sc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2360 wrote to memory of 3492 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe 73 PID 2360 wrote to memory of 3492 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe 73 PID 2360 wrote to memory of 3492 2360 c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe 73 PID 900 wrote to memory of 3812 900 cmd.exe 81 PID 900 wrote to memory of 3812 900 cmd.exe 81 PID 1896 wrote to memory of 3404 1896 csrss.exe 87 PID 1896 wrote to memory of 3404 1896 csrss.exe 87 PID 1896 wrote to memory of 3404 1896 csrss.exe 87 PID 1896 wrote to memory of 2076 1896 csrss.exe 106 PID 1896 wrote to memory of 2076 1896 csrss.exe 106 PID 1896 wrote to memory of 2076 1896 csrss.exe 106 PID 1896 wrote to memory of 4140 1896 csrss.exe 96 PID 1896 wrote to memory of 4140 1896 csrss.exe 96 PID 1896 wrote to memory of 4140 1896 csrss.exe 96 PID 1896 wrote to memory of 4628 1896 csrss.exe 98 PID 1896 wrote to memory of 4628 1896 csrss.exe 98 PID 596 wrote to memory of 1524 596 windefender.exe 105 PID 596 wrote to memory of 1524 596 windefender.exe 105 PID 596 wrote to memory of 1524 596 windefender.exe 105 PID 1524 wrote to memory of 2076 1524 cmd.exe 106 PID 1524 wrote to memory of 2076 1524 cmd.exe 106 PID 1524 wrote to memory of 2076 1524 cmd.exe 106 PID 1896 wrote to memory of 4188 1896 csrss.exe 108 PID 1896 wrote to memory of 4188 1896 csrss.exe 108 PID 1896 wrote to memory of 4188 1896 csrss.exe 108 -
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\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3492
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C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"C:\Users\Admin\AppData\Local\Temp\c6ad2c0a97fde3e40c4168a08ac3297149965f553e59e6c70564b3485c3cc80d.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Modifies data under HKEY_USERS
PID:4344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604
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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:900 -
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:3812
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3296
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- 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:1896 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3404
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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:4528
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:2076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4692
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140
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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:4628
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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:1184
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:596 -
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:1524 -
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⤵
- Drops file in System32 directory
- Launches sc.exe
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4188 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2360
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5076
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
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5eda188c2c6e3ea62a1968a088e279348
SHA1a2a2d7d59f530a250bf382ca87c5de9c3aef5196
SHA256d849dfd21cc4573f8a6226fcd32baa857a82de2ca835974f27ac5338baf49afd
SHA5120634e94e847155de55f19dd139269ce35a82976e9f3ffa71dbb599ecf7ebe72374d63e4d12d26a3369b1b9fd2d9113fb24f71e7a888be3bc96ddc4657bec1e27
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD53dc064d416c1ffd378fee83a5ac9e7c3
SHA1827132bc2e41c51c28cde7a2aaf695472e15c26b
SHA256964728c4776ebce14b8dfda966ccd5d803e259679c770cb8d2aee0b63b87ed32
SHA512a978e47426c561423bd4aedb596b3dbc8f1e798652d700c1f19829aee0ec078f53fcf85eb8aa689704ea985b6c6ad69cfc8664bca4996c906abe7660d2017ad2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58963240f4606e5a7e9ab197126d60814
SHA1059da9db5e3c6dff5d8c4f149cd1dd1d1a92b56f
SHA256e2351065a3e289a59df164f4751da27e4a1cd4fc6c9dbf9ea45be8dbb19acc68
SHA5128031a01ea43a047dc281e9971ce27c9c09f8506a95d9adac259acab6bde4503e80494fc98bc2d6f4df23bff25e68d4bcec7df09c09b38a3d5774e367f0e9d7cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e8282323ff20e1aed80cc376d9e37b2f
SHA153f6806edceac228b4b12180f223950674f48805
SHA2561c22d2bdd5c85f7aaf0b6a614436ea8074a2ed501fa2fc255f8d663a47ec9602
SHA5127114cb44c3ceb88441b40b642ec70cd5c38e1b5113dc81374c08694808fbce7a799fac6e9422046b44df2cd8bc4289ebcf2fb744ba01cf596f0fb6e11729ed65
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ac30677826f1dbe72d9768f05d92f4a3
SHA15fd685602f42b754f9fea7d185d2d632531a30e6
SHA2563f7f08467619eb6c6bc6b493c15df54005065564ebf7be199b3517c1617b1692
SHA512b2c229238a85aede5c7895c6367b9a4796a4887c5feb31e32d169313dede14c92285e74cb926ca817260aa50df38727ddd8a8cae8f830ec4f9f0007615a99742
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec