Analysis
-
max time kernel
150s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2023, 07:33
Static task
static1
General
-
Target
3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe
-
Size
4.1MB
-
MD5
f6a1801ce2341bdcbc3e3469447efd7b
-
SHA1
5ae305f1a8af53f9fde87219f5b6d06635c07c8b
-
SHA256
3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f
-
SHA512
b53e0ca7a668e16fda0313d44cd91a9d80648fa8af17a0ada54e0fc9f80a44b8a286d2c98639c2cab552a63741d0ec4a6a2b792c20ae447e9d4b6c725a7e39b8
-
SSDEEP
98304:3MAv7F+cnt9SKJak3z8N3urTbkgPnxaiePHwNQU2t1VLE8c59b:3MspSKkSz8RurX1nYiePHwNQBVpYx
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4604-2-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4604-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4604-58-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4604-71-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-186-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-188-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5112-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3336 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 5112 csrss.exe 724 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\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\Windows\PowerShell\StartupProfileData-Interactive Process not Found File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log Process not Found File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe File opened for modification C:\Windows\rss 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.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 2880 schtasks.exe 1904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed Process not Found Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4264 powershell.exe 4264 powershell.exe 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 4752 powershell.exe 4752 powershell.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 1948 powershell.exe 1948 powershell.exe 2304 powershell.exe 2304 powershell.exe 4368 powershell.exe 4368 powershell.exe 3520 powershell.exe 3520 powershell.exe 4184 powershell.exe 4184 powershell.exe 4184 powershell.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 5112 csrss.exe 5112 csrss.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 5112 csrss.exe 5112 csrss.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe 724 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4264 powershell.exe Token: SeDebugPrivilege 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Token: SeImpersonatePrivilege 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 1948 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 4368 powershell.exe Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeSystemEnvironmentPrivilege 5112 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4604 wrote to memory of 4264 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 91 PID 4604 wrote to memory of 4264 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 91 PID 4604 wrote to memory of 4264 4604 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 91 PID 3268 wrote to memory of 4752 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 96 PID 3268 wrote to memory of 4752 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 96 PID 3268 wrote to memory of 4752 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 96 PID 3268 wrote to memory of 848 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 100 PID 3268 wrote to memory of 848 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 100 PID 848 wrote to memory of 3336 848 cmd.exe 99 PID 848 wrote to memory of 3336 848 cmd.exe 99 PID 3268 wrote to memory of 1948 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 101 PID 3268 wrote to memory of 1948 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 101 PID 3268 wrote to memory of 1948 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 101 PID 3268 wrote to memory of 2304 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 103 PID 3268 wrote to memory of 2304 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 103 PID 3268 wrote to memory of 2304 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 103 PID 3268 wrote to memory of 5112 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 105 PID 3268 wrote to memory of 5112 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 105 PID 3268 wrote to memory of 5112 3268 3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe 105 PID 5112 wrote to memory of 4368 5112 csrss.exe 106 PID 5112 wrote to memory of 4368 5112 csrss.exe 106 PID 5112 wrote to memory of 4368 5112 csrss.exe 106 PID 5112 wrote to memory of 3520 5112 csrss.exe 111 PID 5112 wrote to memory of 3520 5112 csrss.exe 111 PID 5112 wrote to memory of 3520 5112 csrss.exe 111 PID 5112 wrote to memory of 4184 5112 csrss.exe 117 PID 5112 wrote to memory of 4184 5112 csrss.exe 117 PID 5112 wrote to memory of 4184 5112 csrss.exe 117 PID 5112 wrote to memory of 724 5112 csrss.exe 119 PID 5112 wrote to memory of 724 5112 csrss.exe 119 -
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\3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe"C:\Users\Admin\AppData\Local\Temp\3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4264
-
-
C:\Users\Admin\AppData\Local\Temp\3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.exe"C:\Users\Admin\AppData\Local\Temp\3bdfa12d553a120e1dd59adc6e63dba4318029f7a5f789570be758dfde8d8c4f.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:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752
-
-
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:848
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2880
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4056
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3520
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4184
-
-
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:724
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1904
-
-
-
-
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes1⤵
- Modifies Windows Firewall
PID:3336
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
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5806899e5c98299859ce06cec597fc490
SHA1f9f0feef740e6596c8f25a693f4bb75a07c01aa8
SHA256e4e50e0e450770139b6fffd23cb74c349b107b95d6350d6948348d62eb26a049
SHA512aa3fbba8a6ddd77628709ce1bfd806067873c84d4455fd38b7d4d99e7ac539fb7a3d4845cb2224f998ce910ffa2b799773c87d525808ffa78f0ba3e2d37efc1f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3d5640ccc9f36f4ac8bb7ca09e0e22b
SHA1b6b2bf402b68fd74f33cf0837354396b84d3866b
SHA256bf57adae7a9304c8e732f859dd1b3ed6909db9399b6448d896e88c4d79a20ffc
SHA5128c7447ade82b4eeac15a449416852b9abdf05c89e73faae1d807016d7fc59c7c9ad6379d3202021dc8c12c98d0ba4edea0d33481d45e2156a02cf21420778ae6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57aaea683c11c210ccb747f6f154a4632
SHA1ee1ffc04857d66483528b4bb9ad95818aaa25f1e
SHA2568a478a58c5f251464a71d94b9023b89e2c5e692dd013bca8cf5f38d6df49daec
SHA512d3015f2542b595b9f5f85d93655825b6eb6f406b3af020043b739f4266335998b312948540b6ed73bd9dc4b54571c80007d250d485c70ee56c8bc3defa2e361a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d68dd9891b8b9609c430dd70fa9881e8
SHA1fd1ce8b9d533ff1aa0c2eccd346697a8dcabd227
SHA256a109eaa60b144174ccb3e87f961654faf96ce35cf6a1a070d6fcddf021ccbf93
SHA5120c497662bee7105ede3d68efab455611a798c9a70d15f1aea68bc66fa564108791592c27798ec9bdba2bef169350ca6a4398b944076d3397fee04b6b3ba92764
-
Filesize
394KB
MD555240a4399915871bea42df8c6a7e667
SHA1d1ad68cd870137bb08da34fa442e29cd6e9d6f8b
SHA256a6e40b861ce0fa84ab0243bf65a72c4f597e73146d0e74bc67a0856dc6a20cf4
SHA512b43907e7bd1e86648c58c0b4c034932a28b68d90e5658515ebb03ab647a0f568cddf7256833d5a23277c6369fbf91a085eff4ceb28dfb8338c7f8f225ccc638b
-
Filesize
213KB
MD5bc10dbaad3a69dc0efa9f1ed6c1f53d9
SHA166055d29ad65a43b92ef7ae11e70b212fad31dfe
SHA2561286f9a0ce142fa8684a65336ad3fa417a5012f767b61e2ae515a112afd31d25
SHA5128e1af7b18d0a16e44a9d7994723c2367eb917a5daa03de4c71ce5b4cc6ebd79a61300b65e87b10de10c4b05c92fd43949be4db13c125ca99f075979b43e1284c