Analysis
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max time kernel
150s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe
Resource
win10v2004-20240412-en
General
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Target
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe
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Size
4.2MB
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MD5
cf78bdce714d9d73d36bdac256d2ae72
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SHA1
e7cf53cfb2ef876f02426ecc122f8414dcf6bf1a
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SHA256
46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25
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SHA512
746c90754c04cd0b50e09fa6cd09816f2b57f031e87a5f4c6ea3ef582ae460129ae132aef7cb3a020cd930ac89108f8325447fbc86af96a1a63aa45709181eca
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SSDEEP
98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeb:Jw6rquKXDtU1Y2GYniVjUHO
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2612-2-0x00000000040E0000-0x00000000049CB000-memory.dmp family_glupteba behavioral2/memory/2612-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/704-52-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral2/memory/704-53-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2612-67-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/704-138-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/704-145-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-239-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-249-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-252-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-255-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-261-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-267-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-276-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4900-282-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 988 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4900 csrss.exe 1208 injector.exe 4828 windefender.exe 2100 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fb-242.dat upx behavioral2/memory/4828-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2100-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2100-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3760 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 1576 schtasks.exe 220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3880 powershell.exe 3880 powershell.exe 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 1608 powershell.exe 1608 powershell.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 4204 powershell.exe 4204 powershell.exe 2512 powershell.exe 2512 powershell.exe 4628 powershell.exe 4628 powershell.exe 4600 powershell.exe 4600 powershell.exe 1296 powershell.exe 1296 powershell.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 4900 csrss.exe 4900 csrss.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 4900 csrss.exe 4900 csrss.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 4900 csrss.exe 4900 csrss.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe 1208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Token: SeImpersonatePrivilege 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 1296 powershell.exe Token: SeSystemEnvironmentPrivilege 4900 csrss.exe Token: SeSecurityPrivilege 3760 sc.exe Token: SeSecurityPrivilege 3760 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2612 wrote to memory of 3880 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 78 PID 2612 wrote to memory of 3880 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 78 PID 2612 wrote to memory of 3880 2612 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 78 PID 704 wrote to memory of 1608 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 83 PID 704 wrote to memory of 1608 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 83 PID 704 wrote to memory of 1608 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 83 PID 704 wrote to memory of 1772 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 85 PID 704 wrote to memory of 1772 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 85 PID 1772 wrote to memory of 988 1772 cmd.exe 87 PID 1772 wrote to memory of 988 1772 cmd.exe 87 PID 704 wrote to memory of 4204 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 88 PID 704 wrote to memory of 4204 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 88 PID 704 wrote to memory of 4204 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 88 PID 704 wrote to memory of 2512 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 90 PID 704 wrote to memory of 2512 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 90 PID 704 wrote to memory of 2512 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 90 PID 704 wrote to memory of 4900 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 92 PID 704 wrote to memory of 4900 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 92 PID 704 wrote to memory of 4900 704 46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe 92 PID 4900 wrote to memory of 4628 4900 csrss.exe 93 PID 4900 wrote to memory of 4628 4900 csrss.exe 93 PID 4900 wrote to memory of 4628 4900 csrss.exe 93 PID 4900 wrote to memory of 4600 4900 csrss.exe 99 PID 4900 wrote to memory of 4600 4900 csrss.exe 99 PID 4900 wrote to memory of 4600 4900 csrss.exe 99 PID 4900 wrote to memory of 1296 4900 csrss.exe 101 PID 4900 wrote to memory of 1296 4900 csrss.exe 101 PID 4900 wrote to memory of 1296 4900 csrss.exe 101 PID 4900 wrote to memory of 1208 4900 csrss.exe 103 PID 4900 wrote to memory of 1208 4900 csrss.exe 103 PID 4828 wrote to memory of 2656 4828 windefender.exe 109 PID 4828 wrote to memory of 2656 4828 windefender.exe 109 PID 4828 wrote to memory of 2656 4828 windefender.exe 109 PID 2656 wrote to memory of 3760 2656 cmd.exe 110 PID 2656 wrote to memory of 3760 2656 cmd.exe 110 PID 2656 wrote to memory of 3760 2656 cmd.exe 110 -
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\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880
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C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.exe"C:\Users\Admin\AppData\Local\Temp\46a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25.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:704 -
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:1608
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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:1772 -
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:988
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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:4204
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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:2512
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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:4900 -
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: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:1576
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4768
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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:4600
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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:1296
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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:1208
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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:220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4828 -
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:2656 -
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:3760
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2100
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2ca456aa2977775e21553fc4adddd8c
SHA1d9668cad060fbe85f2710d283067f800a426676e
SHA256171e2792a7f7744530c93b2c6ac631c9ba04d9b2a49bb1ea6b0de64172015e23
SHA512bda5e460d9bf261466a7556e6d3ca952a493dfc5de14eda325eaf22fc816d15793b635d820efd254627cd4710ce0e6a44a0522b6c3f669c2be901b1130d2fe67
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f84f86e919c88cdc79b3ebb66965c6c7
SHA1f7dc156b228c2325627e215704e5ecc38ed6821a
SHA256fae3eae03a716030bf20eb7a6c34e2dbe55a13cfe5d8df19b57915600b497469
SHA51242284f89ebf9cc039ee8291ee6bcab3c1f58feecfc26e64922390afa46082b52700c8b96b6a010f3c8b7b16e367ea462f55926d01585794cd28687e2a9c45a7c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59274f7c353ceac5ba21668b0cf7c5951
SHA1c2b095a4d28ffb4f9543a2faa4bf66ce6ec5e747
SHA256a206cff0e7121a36fb9f86b214f6c543824b11ac76a05c56464d0d6ab885e525
SHA512c6ca809510cd7b48560992500d947ed452068621334b6bc5e26758a4fb3b567a7f2ace4af87b8d71763842f7c06dfd535803904a3cd2f0f1511f7251e3d8c73c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a9048c45dce7df7a2a20ed128044683
SHA100abb213afbd9f1815f60f2e64e6e81dcae6aad3
SHA256391f75eaf167bf8ee9e2fe415dff169fdf63a5c76cb3c6a881f92b6a0839b12b
SHA51248da0d282ab16057cd58dae4adb07b4eb241b565dc76c51f55d600eddf3a1cd0e2f99496eeb48097d0b2bb5d2f3e6365ad5dd52ded09abe08cdd8aa4d5e1317f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b60be59b6655222635f13ab6cd9292c1
SHA17e5f36a89f2f8dba1929e3e14901f0877a865b99
SHA256cdc755b9d62b97424c5e53f4e3cd1533538d94bedf89ecdadd715b0d3991876c
SHA512b540e39f5a3ea50fca3a2e387a38a785effb1adbcb29d86122f258641c330f0b0ea8a6e9df122de3748efca88fcf0cfdbe392664d26bfa3aef3eaf95b292da5e
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Filesize
4.2MB
MD5cf78bdce714d9d73d36bdac256d2ae72
SHA1e7cf53cfb2ef876f02426ecc122f8414dcf6bf1a
SHA25646a07036e7f4a7a9b9e83c62281e29b960186d98a5200f290a9e290ddb966e25
SHA512746c90754c04cd0b50e09fa6cd09816f2b57f031e87a5f4c6ea3ef582ae460129ae132aef7cb3a020cd930ac89108f8325447fbc86af96a1a63aa45709181eca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec