Analysis
-
max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe
Resource
win10v2004-20240419-en
General
-
Target
159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe
-
Size
4.2MB
-
MD5
0090b6a3643474ceb76f43b4c6c81b7a
-
SHA1
a229c521a15afceaa519b1e6f30ff613a4431b83
-
SHA256
159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06
-
SHA512
8c22981d25e9422aafbb8d2f44ca66329234b115e23c631f9e8fd23545a94e8e0558756e57e79aae3f1679a29d2ab3e5c199a52bb9f0da82f05bf1a38038b720
-
SSDEEP
98304:K5qCZvNKxezjkSkMijgjUJnNBjufl+iAUK3eRtzwRnms:AKxw2jgjQNBwl+yK3eRtOms
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2452-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/2452-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2452-71-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/2452-95-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2036-120-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2452-143-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1280-196-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-198-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-209-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-212-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-215-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-218-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-221-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-224-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-227-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-230-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-233-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-236-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/1280-239-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1952 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1280 csrss.exe 4460 injector.exe 3400 windefender.exe 1060 windefender.exe -
resource yara_rule behavioral2/files/0x001900000002ab9e-201.dat upx behavioral2/memory/3400-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3400-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1060-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1856190483-1022094809-400023910-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\S-1-5-21-1856190483-1022094809-400023910-1000\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.
-
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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe File created C:\Windows\rss\csrss.exe 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.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 1488 sc.exe -
pid Process 2856 powershell.exe 3460 powershell.exe 2552 powershell.exe 1908 powershell.exe 1348 powershell.exe 1600 powershell.exe 4240 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 2616 schtasks.exe 4536 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.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,-261 = "GMT Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1600 powershell.exe 1600 powershell.exe 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 4240 powershell.exe 4240 powershell.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 2856 powershell.exe 2856 powershell.exe 3460 powershell.exe 3460 powershell.exe 2552 powershell.exe 2552 powershell.exe 1908 powershell.exe 1908 powershell.exe 1348 powershell.exe 1348 powershell.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 1280 csrss.exe 1280 csrss.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 1280 csrss.exe 1280 csrss.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 1280 csrss.exe 1280 csrss.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe 4460 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Token: SeImpersonatePrivilege 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 1348 powershell.exe Token: SeSystemEnvironmentPrivilege 1280 csrss.exe Token: SeSecurityPrivilege 1488 sc.exe Token: SeSecurityPrivilege 1488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2452 wrote to memory of 1600 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 80 PID 2452 wrote to memory of 1600 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 80 PID 2452 wrote to memory of 1600 2452 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 80 PID 2036 wrote to memory of 4240 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 86 PID 2036 wrote to memory of 4240 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 86 PID 2036 wrote to memory of 4240 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 86 PID 2036 wrote to memory of 3668 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 88 PID 2036 wrote to memory of 3668 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 88 PID 3668 wrote to memory of 1952 3668 cmd.exe 90 PID 3668 wrote to memory of 1952 3668 cmd.exe 90 PID 2036 wrote to memory of 2856 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 91 PID 2036 wrote to memory of 2856 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 91 PID 2036 wrote to memory of 2856 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 91 PID 2036 wrote to memory of 3460 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 93 PID 2036 wrote to memory of 3460 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 93 PID 2036 wrote to memory of 3460 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 93 PID 2036 wrote to memory of 1280 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 95 PID 2036 wrote to memory of 1280 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 95 PID 2036 wrote to memory of 1280 2036 159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe 95 PID 1280 wrote to memory of 2552 1280 csrss.exe 96 PID 1280 wrote to memory of 2552 1280 csrss.exe 96 PID 1280 wrote to memory of 2552 1280 csrss.exe 96 PID 1280 wrote to memory of 1908 1280 csrss.exe 101 PID 1280 wrote to memory of 1908 1280 csrss.exe 101 PID 1280 wrote to memory of 1908 1280 csrss.exe 101 PID 1280 wrote to memory of 1348 1280 csrss.exe 104 PID 1280 wrote to memory of 1348 1280 csrss.exe 104 PID 1280 wrote to memory of 1348 1280 csrss.exe 104 PID 1280 wrote to memory of 4460 1280 csrss.exe 106 PID 1280 wrote to memory of 4460 1280 csrss.exe 106 PID 3400 wrote to memory of 2844 3400 windefender.exe 112 PID 3400 wrote to memory of 2844 3400 windefender.exe 112 PID 3400 wrote to memory of 2844 3400 windefender.exe 112 PID 2844 wrote to memory of 1488 2844 cmd.exe 113 PID 2844 wrote to memory of 1488 2844 cmd.exe 113 PID 2844 wrote to memory of 1488 2844 cmd.exe 113 -
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
-
C:\Users\Admin\AppData\Local\Temp\159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe"C:\Users\Admin\AppData\Local\Temp\159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600
-
-
C:\Users\Admin\AppData\Local\Temp\159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.exe"C:\Users\Admin\AppData\Local\Temp\159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06.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:2036 -
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:4240
-
-
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:3668 -
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:1952
-
-
-
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:2856
-
-
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:3460
-
-
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:1280 -
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:2552
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2616
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4832
-
-
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:1908
-
-
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:1348
-
-
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:4460
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4536
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3400 -
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:2844 -
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:1488
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1060
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea7092a060a626e60088eca9d76a4f2b
SHA1a1bcf8e4960198663163f4be950745b60cac8a87
SHA2566be30483698baeaf6db4ca0acaa4aa3c085b29214ee301e6b838bf44a0f7e01d
SHA5129a47ffa30ba7d45d318a7422fad08340806b873a50ce927161d4e77ab7132d58b7df4a0cc03e0158676d54b683dbcdbf5653317cb3360c464b595474822600ae
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7ebaee8a193a93cc4a9263eebdbc4c5
SHA1edade45db655a1ccdd4e670ba565be0fb4fe1d13
SHA2562e27fdaa1a7efb542b52def14731a114047ed91073aeae03b0a2f912cd6385d4
SHA51260a27e3047abb126c214fc2ac069edf6da0618572cbe8f304b84390b72bea8c8c2fefa0df3c46563c6be62df47e61250b0438a5cb3e24628a35697e75d093af0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54727518f0cf2830fcaec78f45ba656c5
SHA17a1c42d85c2948b058cd567efb91b717a1632a45
SHA256650b933aa2715a80e8fb34b94264cbb3cb5166c2dc08ada28568e97ce31e539f
SHA512485982f4ad29ae0054b77475e071ea94f66c33194e9a4a25224c58cdbcf55e068c806b13c5e81803061b10a3ccb2cbe31cce6625e6c37933aed00cf4fc51530d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54152a9b8957dd9685cd3d4721a490f72
SHA1e6b1bf9f8d21f5ed5952ac02dc482c32cf430c5a
SHA2563bdc87d3e92655dd123df112cd7fa098030c0aa2f40831b8ec53792042eafe3a
SHA512aabbcec248eac2d9b760af72b856f998216056b9c0e28d22c8275a5827501c53741b788478244c918adeea49c6aa4e0f3f4a771027f67b6035c32e58b580ecb4
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3f09b41265a9673e26ddf719a5c665a
SHA1bd67bdc7caefd6f537688044ba2c0877c86d1515
SHA256cf69dbd7724c79f7b016b3c040f1ce69d4d7a55b81b4470f98dc482dc61c87fb
SHA5124e51720974e4f4dcd6c0d898c7be219f62b62ccd33bac3c89be749c508a81040871e7ccb6a9fe7a9ba1409684a4b6ad69f647d28eac1098a3005ff8717885746
-
Filesize
4.2MB
MD50090b6a3643474ceb76f43b4c6c81b7a
SHA1a229c521a15afceaa519b1e6f30ff613a4431b83
SHA256159f1e4c108e628f8d42d3fb1914b7bc48cdbd453da995c63bd4b2bb4098de06
SHA5128c22981d25e9422aafbb8d2f44ca66329234b115e23c631f9e8fd23545a94e8e0558756e57e79aae3f1679a29d2ab3e5c199a52bb9f0da82f05bf1a38038b720
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec