Analysis
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max time kernel
149s -
max time network
124s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:52
Static task
static1
Behavioral task
behavioral1
Sample
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe
Resource
win10v2004-20240426-en
General
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Target
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe
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Size
4.1MB
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MD5
73721887b1e40471f291a80a58d66ff0
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SHA1
6066a9a7b39677b25ac347cf911abc4d68cc75e0
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SHA256
af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
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SHA512
df281d4c2f9ef8812aec35ddafed222da487ee0af69b4be95578a2680ab562b9ce95c935eddfd1358c0b447d750be3c6184a4d3fd9fdc5954f2f228d9b948e8a
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0l:YLmIkbquibpii2yAk4+2fEKmbm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3724-2-0x0000000002E90000-0x000000000377B000-memory.dmp family_glupteba behavioral2/memory/3724-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3724-89-0x0000000002E90000-0x000000000377B000-memory.dmp family_glupteba behavioral2/memory/3724-87-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/112-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4916 csrss.exe 3744 injector.exe 4328 windefender.exe 4784 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e5-204.dat upx behavioral2/memory/4328-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4328-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4784-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 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 -
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 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe File created C:\Windows\rss\csrss.exe af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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 4832 sc.exe -
pid Process 4652 powershell.exe 3312 powershell.exe 1296 powershell.exe 4028 powershell.exe 2508 powershell.exe 2180 powershell.exe 1608 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 1208 schtasks.exe 1596 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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard 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,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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\@tzres.dll,-741 = "New Zealand Daylight 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,-192 = "Mountain Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1296 powershell.exe 1296 powershell.exe 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 4028 powershell.exe 4028 powershell.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 2508 powershell.exe 2508 powershell.exe 2180 powershell.exe 2180 powershell.exe 1608 powershell.exe 1608 powershell.exe 4652 powershell.exe 4652 powershell.exe 3312 powershell.exe 3312 powershell.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4916 csrss.exe 4916 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4916 csrss.exe 4916 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4916 csrss.exe 4916 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1296 powershell.exe Token: SeDebugPrivilege 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Token: SeImpersonatePrivilege 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 2508 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeSystemEnvironmentPrivilege 4916 csrss.exe Token: SeSecurityPrivilege 4832 sc.exe Token: SeSecurityPrivilege 4832 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3724 wrote to memory of 1296 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 79 PID 3724 wrote to memory of 1296 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 79 PID 3724 wrote to memory of 1296 3724 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 79 PID 112 wrote to memory of 4028 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 84 PID 112 wrote to memory of 4028 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 84 PID 112 wrote to memory of 4028 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 84 PID 112 wrote to memory of 3320 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 86 PID 112 wrote to memory of 3320 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 86 PID 3320 wrote to memory of 1120 3320 cmd.exe 88 PID 3320 wrote to memory of 1120 3320 cmd.exe 88 PID 112 wrote to memory of 2508 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 89 PID 112 wrote to memory of 2508 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 89 PID 112 wrote to memory of 2508 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 89 PID 112 wrote to memory of 2180 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 91 PID 112 wrote to memory of 2180 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 91 PID 112 wrote to memory of 2180 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 91 PID 112 wrote to memory of 4916 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 93 PID 112 wrote to memory of 4916 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 93 PID 112 wrote to memory of 4916 112 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe 93 PID 4916 wrote to memory of 1608 4916 csrss.exe 94 PID 4916 wrote to memory of 1608 4916 csrss.exe 94 PID 4916 wrote to memory of 1608 4916 csrss.exe 94 PID 4916 wrote to memory of 4652 4916 csrss.exe 99 PID 4916 wrote to memory of 4652 4916 csrss.exe 99 PID 4916 wrote to memory of 4652 4916 csrss.exe 99 PID 4916 wrote to memory of 3312 4916 csrss.exe 102 PID 4916 wrote to memory of 3312 4916 csrss.exe 102 PID 4916 wrote to memory of 3312 4916 csrss.exe 102 PID 4916 wrote to memory of 3744 4916 csrss.exe 104 PID 4916 wrote to memory of 3744 4916 csrss.exe 104 PID 4328 wrote to memory of 2084 4328 windefender.exe 110 PID 4328 wrote to memory of 2084 4328 windefender.exe 110 PID 4328 wrote to memory of 2084 4328 windefender.exe 110 PID 2084 wrote to memory of 4832 2084 cmd.exe 111 PID 2084 wrote to memory of 4832 2084 cmd.exe 111 PID 2084 wrote to memory of 4832 2084 cmd.exe 111 -
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\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1296
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C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.exe"C:\Users\Admin\AppData\Local\Temp\af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297.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:112 -
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:4028
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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:3320 -
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:1120
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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:2508
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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:2180
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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:4916 -
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:1608
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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:1208
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2192
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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:4652
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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:3312
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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:3744
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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:1596
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4328 -
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:2084 -
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:4832
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4784
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f438209e86845b745c40e626c4502c7d
SHA1e5408ce1a8faa5f05034af0fe79c6215e1dd2950
SHA2560c719fd38432b5becc03db53dcab5a6162fa3d807caa800bc330a58244c34d1c
SHA512caeb769347ae141ca21bd778b452332162b542b3d5a1abc6d6b80f3038b4f1734046af6e9585aa8e5cd4d137b9cec359c809cae8ce9c4adbbed12c2b2671ffa4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fb9d9cad116c1b9c08acf754f06e6ab
SHA1bb7674b7f3eb5c380ead1b372815392a475b1c94
SHA256817de4e8a4a4323846e54300b742cd98c2de5efedec67d086b84b09d2f40b179
SHA512d4944aed11940565e5ce0265f19c0a37d241723c38b1829732191340864db01fa00bb9fe0f281bdca3f697c8132cbb05004077da8239780649ec76c8ca9f9d7e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5933a8bc90e383196bdbe006373a820
SHA12eae28332cac03048fad6f705939fbe4bad547df
SHA25681c73ab86edcd399eebefe91752e7ef5194cff7161dbd6afc83a98257ad6e0cd
SHA512b54d12ea6d9d9d7c3a8189775f378bdd11b35dc5420b44acd7ea7970dd72a39217796ad72125430ad02067f029efc02b72bbce00969740e25f349c3184e021bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8dccb38a6a0bb6599b04233e3bb5e79
SHA1fba8d79ba6c8da591fe5327a3afc655d6545ccc9
SHA256b50249173d49a426477e4f8d143367496b544aef2d39c4f1dc49f9e6fdbd703b
SHA51299f51f02588bc6c9904b32e15d0715a989b29b1fa3be10f25932bd2d63af946b9f91795e4428ce5dad29618e480a464465514dbdc994b449f924dfd226055c4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f760b673f3b290f288ca8bb72e3a1e1b
SHA1b38cbf1ad2c64334e666010bd50cd9b9e5731b28
SHA25644184f78860f7900d8bae59274bffb524206e734dc924e39f06f373c1fa1b273
SHA512dc56935db56b44efd464abc472279a24a08762166e578ea5a2c50a4064e86691637517d59967a73a1f2bcf054f64e117d9a5ff953b5724bd0ad9df3b4a69132c
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Filesize
4.1MB
MD573721887b1e40471f291a80a58d66ff0
SHA16066a9a7b39677b25ac347cf911abc4d68cc75e0
SHA256af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
SHA512df281d4c2f9ef8812aec35ddafed222da487ee0af69b4be95578a2680ab562b9ce95c935eddfd1358c0b447d750be3c6184a4d3fd9fdc5954f2f228d9b948e8a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec