Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/05/2024, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe
Resource
win10v2004-20240426-en
General
-
Target
4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe
-
Size
4.2MB
-
MD5
9163ad206b7eebb91ecb8f9423f5803b
-
SHA1
08bf992452dce5f0257f682cef4ea722c64dc0ad
-
SHA256
4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6
-
SHA512
01cb583bf13f827098f60e017928fe0d9c42acbe0e8eae3809bb64c746a520bb081c4805bde3aa1f430c138117ea42e6e5b78092025794eba5f7f03ebf77fe08
-
SSDEEP
98304:LwI55FRIfsmtYhw63zMBnKz9mF45iI1/hI:Ln55zQC3zMBnKzsIx2
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2800-2-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral2/memory/2800-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2800-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2800-52-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral2/memory/2800-49-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/932-124-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-202-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-207-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-214-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-216-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-218-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-220-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-224-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-226-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-228-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-230-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/1116-232-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 576 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1116 csrss.exe 3180 injector.exe 1864 windefender.exe 4528 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ca-206.dat upx behavioral2/memory/1864-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4528-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1864-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4528-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4528-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.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 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe File created C:\Windows\rss\csrss.exe 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.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 3536 sc.exe -
pid Process 4704 powershell.exe 1156 powershell.exe 4508 powershell.exe 1356 powershell.exe 3840 powershell.exe 1636 powershell.exe 1936 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 4636 schtasks.exe 5020 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.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,-335 = "Jordan Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.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,-384 = "Namibia Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.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\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1636 powershell.exe 1636 powershell.exe 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 1936 powershell.exe 1936 powershell.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 4704 powershell.exe 4704 powershell.exe 1156 powershell.exe 1156 powershell.exe 4508 powershell.exe 4508 powershell.exe 1356 powershell.exe 1356 powershell.exe 3840 powershell.exe 3840 powershell.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 1116 csrss.exe 1116 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 1116 csrss.exe 1116 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 1116 csrss.exe 1116 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Token: SeImpersonatePrivilege 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeDebugPrivilege 1156 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 1356 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeSystemEnvironmentPrivilege 1116 csrss.exe Token: SeSecurityPrivilege 3536 sc.exe Token: SeSecurityPrivilege 3536 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2800 wrote to memory of 1636 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 82 PID 2800 wrote to memory of 1636 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 82 PID 2800 wrote to memory of 1636 2800 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 82 PID 932 wrote to memory of 1936 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 87 PID 932 wrote to memory of 1936 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 87 PID 932 wrote to memory of 1936 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 87 PID 932 wrote to memory of 1676 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 89 PID 932 wrote to memory of 1676 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 89 PID 1676 wrote to memory of 576 1676 cmd.exe 91 PID 1676 wrote to memory of 576 1676 cmd.exe 91 PID 932 wrote to memory of 4704 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 92 PID 932 wrote to memory of 4704 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 92 PID 932 wrote to memory of 4704 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 92 PID 932 wrote to memory of 1156 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 94 PID 932 wrote to memory of 1156 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 94 PID 932 wrote to memory of 1156 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 94 PID 932 wrote to memory of 1116 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 96 PID 932 wrote to memory of 1116 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 96 PID 932 wrote to memory of 1116 932 4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe 96 PID 1116 wrote to memory of 4508 1116 csrss.exe 97 PID 1116 wrote to memory of 4508 1116 csrss.exe 97 PID 1116 wrote to memory of 4508 1116 csrss.exe 97 PID 1116 wrote to memory of 1356 1116 csrss.exe 103 PID 1116 wrote to memory of 1356 1116 csrss.exe 103 PID 1116 wrote to memory of 1356 1116 csrss.exe 103 PID 1116 wrote to memory of 3840 1116 csrss.exe 105 PID 1116 wrote to memory of 3840 1116 csrss.exe 105 PID 1116 wrote to memory of 3840 1116 csrss.exe 105 PID 1116 wrote to memory of 3180 1116 csrss.exe 107 PID 1116 wrote to memory of 3180 1116 csrss.exe 107 PID 1864 wrote to memory of 5104 1864 windefender.exe 113 PID 1864 wrote to memory of 5104 1864 windefender.exe 113 PID 1864 wrote to memory of 5104 1864 windefender.exe 113 PID 5104 wrote to memory of 3536 5104 cmd.exe 114 PID 5104 wrote to memory of 3536 5104 cmd.exe 114 PID 5104 wrote to memory of 3536 5104 cmd.exe 114 -
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\4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe"C:\Users\Admin\AppData\Local\Temp\4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636
-
-
C:\Users\Admin\AppData\Local\Temp\4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.exe"C:\Users\Admin\AppData\Local\Temp\4a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6.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:932 -
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:1936
-
-
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:1676 -
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:576
-
-
-
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:4704
-
-
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:1156
-
-
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:1116 -
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:4508
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4636
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3720
-
-
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:1356
-
-
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:3840
-
-
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:3180
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5020
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1864 -
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:5104 -
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:3536
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4528
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9240970c4c12826050ed595136ef313
SHA1cc0cf5fe249018de3e3b6f1779299bdc030fe094
SHA2564a4a31f67004638a21d604e0e2b7684df54b29ef8b999cad8a9574904ec7113e
SHA5120a9db0a2e01809d64deb54ad19908524f2758e20379e4febc7e0c7a613edec5727da1a802bd9c096f0f264bfe156b3be81d80451acdcd49c4fc2593027dff96d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5818e7eeadb42c218f52c9667eec4215b
SHA14f11027de3f1e9b63643ad3ed88adc9494d87b72
SHA256dbc2c3adabb515baba81f8fa694c0631d039e4dc3e34e36ecaa7abeef656b163
SHA5123e5f17d80ec2b6b6a95f7b9a6e60a30f4a92cf96dd9094c49e68c454d1a0b52b093ea41444d50b6a6334a84f3dae2257e595dd3eef6901bc51063884fd2bf648
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d948fdb8cc61a1353321a1b2be361233
SHA111086c7e8500688e1669cec99466cce65a9859ce
SHA25601e149725deae1f880da54e84028dec8ae3fdee5e5fbf909246b1547b1c2d18e
SHA5125ab2aa245ebbdf07ff282cba9bcd228d3ec67151e5eace41101c0d703ef27d8d32ede3cfbfe10979906a085156a4862d19e0cebedbba8acb924420dcf05c1342
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586f89dfcc0079bc44cdd366b045d6a54
SHA13fb1284d030d8b4d17ef8a270865005dd367a6c6
SHA2564c8a7e564150c7da789add2727e4da7655be64a43be545ae0277b504c979b6a0
SHA5121e0897ed103d2b49f55c162225d9393ded2ec5da1a3d4ca36fed08e93b920ad191be1558944d3257a11544c56a17a37d5565b7ba89f0f074a362128c2bca41ba
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e619d9e094648af6002493177e53a356
SHA11871f7a1aa7d9d2f051f7cea7e012e11baa98f5f
SHA256e05686a436cdfb1c957e975741f5631bdfb4b5f44d618242bf44d8b7c1c5d797
SHA512c58055edc16298a50ba0713001eed30d371898533e238411d0d73e64c9d3cdd98ebe12ad4d721d21b732762eea532ef6941f40f4d38e8a8381841de3aef6254f
-
Filesize
4.2MB
MD59163ad206b7eebb91ecb8f9423f5803b
SHA108bf992452dce5f0257f682cef4ea722c64dc0ad
SHA2564a8fa4fa050c76c244adccf3b531b604ccb97fecf91a218882dd988cc43947e6
SHA51201cb583bf13f827098f60e017928fe0d9c42acbe0e8eae3809bb64c746a520bb081c4805bde3aa1f430c138117ea42e6e5b78092025794eba5f7f03ebf77fe08
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec