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Analysis
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max time kernel
150s -
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
17/05/2024, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe
Resource
win10v2004-20240508-en
General
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Target
c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe
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Size
4.1MB
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MD5
6c71519ee95d5e935901b7af296ba045
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SHA1
d0bdad625ddffeaaab615cc421a5cf0096baf195
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SHA256
c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6
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SHA512
99a31596e41e7a6dea4df66050d94e9803e746fab128f8ae1313449d8ff79943b5cbbf6b10f2a24b2470c51a830d9e46bd1f5a10f40dcc6c75fea6fad348a5ab
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SSDEEP
49152:FKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwZ:F1wCr5kG+hEArjFEeNSldQg15xmhZ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3632-2-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral1/memory/3632-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3632-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3632-58-0x0000000004C50000-0x000000000553B000-memory.dmp family_glupteba behavioral1/memory/3632-55-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4508-137-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-248-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-257-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4912-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4224 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4912 csrss.exe 4128 injector.exe 4884 windefender.exe 5008 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233de-225.dat upx behavioral1/memory/4884-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5008-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4884-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5008-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5008-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe File created C:\Windows\rss\csrss.exe c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.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 3880 sc.exe -
pid Process 1772 powershell.exe 2876 powershell.exe 3888 powershell.exe 3640 powershell.exe 4900 powershell.exe 1412 powershell.exe 4772 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 3832 schtasks.exe 904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.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,-192 = "Mountain Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.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,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight 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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" 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\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3888 powershell.exe 3888 powershell.exe 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 3640 powershell.exe 3640 powershell.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 4900 powershell.exe 4900 powershell.exe 1412 powershell.exe 1412 powershell.exe 4772 powershell.exe 4772 powershell.exe 1772 powershell.exe 1772 powershell.exe 2876 powershell.exe 2876 powershell.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4912 csrss.exe 4912 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4912 csrss.exe 4912 csrss.exe 4128 injector.exe 4128 injector.exe 4912 csrss.exe 4912 csrss.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe 4128 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Token: SeImpersonatePrivilege 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 1412 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 1772 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeSystemEnvironmentPrivilege 4912 csrss.exe Token: SeSecurityPrivilege 3880 sc.exe Token: SeSecurityPrivilege 3880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3632 wrote to memory of 3888 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 84 PID 3632 wrote to memory of 3888 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 84 PID 3632 wrote to memory of 3888 3632 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 84 PID 4508 wrote to memory of 3640 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 95 PID 4508 wrote to memory of 3640 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 95 PID 4508 wrote to memory of 3640 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 95 PID 4508 wrote to memory of 3980 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 100 PID 4508 wrote to memory of 3980 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 100 PID 3980 wrote to memory of 4224 3980 cmd.exe 102 PID 3980 wrote to memory of 4224 3980 cmd.exe 102 PID 4508 wrote to memory of 4900 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 103 PID 4508 wrote to memory of 4900 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 103 PID 4508 wrote to memory of 4900 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 103 PID 4508 wrote to memory of 1412 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 105 PID 4508 wrote to memory of 1412 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 105 PID 4508 wrote to memory of 1412 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 105 PID 4508 wrote to memory of 4912 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 107 PID 4508 wrote to memory of 4912 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 107 PID 4508 wrote to memory of 4912 4508 c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe 107 PID 4912 wrote to memory of 4772 4912 csrss.exe 108 PID 4912 wrote to memory of 4772 4912 csrss.exe 108 PID 4912 wrote to memory of 4772 4912 csrss.exe 108 PID 4912 wrote to memory of 1772 4912 csrss.exe 114 PID 4912 wrote to memory of 1772 4912 csrss.exe 114 PID 4912 wrote to memory of 1772 4912 csrss.exe 114 PID 4912 wrote to memory of 2876 4912 csrss.exe 116 PID 4912 wrote to memory of 2876 4912 csrss.exe 116 PID 4912 wrote to memory of 2876 4912 csrss.exe 116 PID 4912 wrote to memory of 4128 4912 csrss.exe 119 PID 4912 wrote to memory of 4128 4912 csrss.exe 119 PID 4884 wrote to memory of 5012 4884 windefender.exe 125 PID 4884 wrote to memory of 5012 4884 windefender.exe 125 PID 4884 wrote to memory of 5012 4884 windefender.exe 125 PID 5012 wrote to memory of 3880 5012 cmd.exe 126 PID 5012 wrote to memory of 3880 5012 cmd.exe 126 PID 5012 wrote to memory of 3880 5012 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\c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe"C:\Users\Admin\AppData\Local\Temp\c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3888
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C:\Users\Admin\AppData\Local\Temp\c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.exe"C:\Users\Admin\AppData\Local\Temp\c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6.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:4508 -
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:3640
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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:3980 -
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:4224
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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:4900
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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:1412
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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:4912 -
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:4772
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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:3832
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:628
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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:1772
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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:2876
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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:4128
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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:904
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4884 -
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:5012 -
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:3880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5008
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
MD5c484b0898fbee917ace8dc14007ea9d6
SHA1d608ade2a30f972346f8486589ca0963707f2fdb
SHA256e291b6e35976e6cac9cb67f4727d1053d1dc966e64f96d2f12a5627264631e13
SHA51299dae2eca0391f3b73078c5de5d9fbce6092e6c205efd0dc96890d7ce0be917e9a9fcb234a08c89ec989c8e037d7768cfe029bd4743ed401a8b399e3595b4330
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594d4e1fafde2cdc2434bdb539366a648
SHA1cb77098c6c193d24d7cacd215b401d0fc4b95885
SHA256bde89d7e21cbc135a070c82f727a23cd7f68d7e3608907c51569aa1b8be6534d
SHA512a07343b3ec41cbd1daadf1c0d2b6b4cc1d896ad03316f2410133be3a883fbeee2126803f4dac4c5ecbbc90fae556c201443cbf15e210506811de7c8287e007d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e0d8b3775bd520f88ec063e04b2d5652
SHA1a51ecf451c30aa7f4282ddde6f2e371260226f35
SHA256c704c606475d3806423e866e6e2dcdfc9a00305dd5c26515d45539d56025be44
SHA5123d854289136d143a9183c93fe9f3d57188a4f16cf0c3c1950088c7545d6dfbe12e9dc54f7100cbd2991f6e5ece6a7c19eddcc8b1382f8f40ef7f7e5b45775008
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5535df6f43e8a4b324dc3172b7e3af811
SHA16e7988af3b23b5f091f9a288041dcff3516e7ed6
SHA25647226896d0897539687b3dc8351430e90059e48e76c7c9682f6306260f613d63
SHA512de8128bcc5107288b9e4ade66349baa720fd9389659187c37430d2707b3494f4705bc7605885f82f40e4cf14985581fa6b50823c140ae239cfc635cd73f5df35
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cabe0edc7e15560bf5e47485b0100973
SHA151242fa625c815f182584bc0f8f2b852fb18cbcb
SHA256915dde9f36b320c5e4d39290a50626fb48b6f48147b5a280b91679e5f65b63a9
SHA512f95371bccddaf6c8d73b1616b1c2a19e1224780bf5e861030393b149d5a059892b2ef53dae07340517bef2fa866063cc02cd7114223e3d73e6afd741d5a354f5
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Filesize
4.1MB
MD56c71519ee95d5e935901b7af296ba045
SHA1d0bdad625ddffeaaab615cc421a5cf0096baf195
SHA256c4435b861e8dc8fe161332051f3ba206e0162c2b17b0b67078e673ad10ad3ed6
SHA51299a31596e41e7a6dea4df66050d94e9803e746fab128f8ae1313449d8ff79943b5cbbf6b10f2a24b2470c51a830d9e46bd1f5a10f40dcc6c75fea6fad348a5ab
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec