Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:47
Static task
static1
Behavioral task
behavioral1
Sample
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe
Resource
win10v2004-20240508-en
General
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Target
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe
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Size
4.1MB
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MD5
e4f28548577a2a7df80e75ed8d296a07
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SHA1
e1406d4d895e1ae5aa3fd730c94abec4b3ff892e
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SHA256
f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01
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SHA512
aee7e59d41b12fff23e9b9b150943002bfc4c59082e59918a8ea305cd4ac0957c5a1dd358ab21817fcca3e8d19020bdcf31556b1cae6da4ba5ce36f829edac5c
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpp:FwqoWyv4yANjKQa7of
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4064-2-0x0000000004F80000-0x000000000586B000-memory.dmp family_glupteba behavioral1/memory/4064-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4064-4-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4064-57-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4064-58-0x0000000004F80000-0x000000000586B000-memory.dmp family_glupteba behavioral1/memory/4064-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3356-81-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3356-138-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-162-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-220-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-238-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-243-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-247-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-250-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-254-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-259-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3996-263-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4868 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3996 csrss.exe 4964 injector.exe 4412 windefender.exe 3096 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002340a-225.dat upx behavioral1/memory/4412-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4412-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3096-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3096-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe File created C:\Windows\rss\csrss.exe f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe File created 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 4604 sc.exe -
pid Process 5024 powershell.exe 3432 powershell.exe 4356 powershell.exe 4268 powershell.exe 4312 powershell.exe 1316 powershell.exe 4980 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 3824 schtasks.exe 4528 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1316 powershell.exe 1316 powershell.exe 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 4980 powershell.exe 4980 powershell.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 5024 powershell.exe 5024 powershell.exe 3432 powershell.exe 3432 powershell.exe 4356 powershell.exe 4356 powershell.exe 4268 powershell.exe 4268 powershell.exe 4312 powershell.exe 4312 powershell.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 3996 csrss.exe 3996 csrss.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 3996 csrss.exe 3996 csrss.exe 4964 injector.exe 4964 injector.exe 3996 csrss.exe 3996 csrss.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe 4964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Token: SeImpersonatePrivilege 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 5024 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4268 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeSystemEnvironmentPrivilege 3996 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4064 wrote to memory of 1316 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 91 PID 4064 wrote to memory of 1316 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 91 PID 4064 wrote to memory of 1316 4064 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 91 PID 3356 wrote to memory of 4980 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 96 PID 3356 wrote to memory of 4980 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 96 PID 3356 wrote to memory of 4980 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 96 PID 3356 wrote to memory of 4276 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 99 PID 3356 wrote to memory of 4276 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 99 PID 4276 wrote to memory of 4868 4276 cmd.exe 101 PID 4276 wrote to memory of 4868 4276 cmd.exe 101 PID 3356 wrote to memory of 5024 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 102 PID 3356 wrote to memory of 5024 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 102 PID 3356 wrote to memory of 5024 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 102 PID 3356 wrote to memory of 3432 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 105 PID 3356 wrote to memory of 3432 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 105 PID 3356 wrote to memory of 3432 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 105 PID 3356 wrote to memory of 3996 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 107 PID 3356 wrote to memory of 3996 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 107 PID 3356 wrote to memory of 3996 3356 f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe 107 PID 3996 wrote to memory of 4356 3996 csrss.exe 108 PID 3996 wrote to memory of 4356 3996 csrss.exe 108 PID 3996 wrote to memory of 4356 3996 csrss.exe 108 PID 3996 wrote to memory of 4268 3996 csrss.exe 114 PID 3996 wrote to memory of 4268 3996 csrss.exe 114 PID 3996 wrote to memory of 4268 3996 csrss.exe 114 PID 3996 wrote to memory of 4312 3996 csrss.exe 116 PID 3996 wrote to memory of 4312 3996 csrss.exe 116 PID 3996 wrote to memory of 4312 3996 csrss.exe 116 PID 3996 wrote to memory of 4964 3996 csrss.exe 118 PID 3996 wrote to memory of 4964 3996 csrss.exe 118 PID 4412 wrote to memory of 4748 4412 windefender.exe 124 PID 4412 wrote to memory of 4748 4412 windefender.exe 124 PID 4412 wrote to memory of 4748 4412 windefender.exe 124 PID 4748 wrote to memory of 4604 4748 cmd.exe 125 PID 4748 wrote to memory of 4604 4748 cmd.exe 125 PID 4748 wrote to memory of 4604 4748 cmd.exe 125 -
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\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316
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C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.exe"C:\Users\Admin\AppData\Local\Temp\f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01.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:3356 -
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:4980
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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:4276 -
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:4868
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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:5024
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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:3432
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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:3996 -
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:4356
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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:3824
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3340
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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:4268
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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:4312
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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:4964
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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:4528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4412 -
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:4748 -
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:4604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3096
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59670c001b66af5735eeee19bd584d8f9
SHA110391ce4731ab01b9b299c2bb05a2a76729d6c77
SHA2566f6f4d32198a4d566ab8d8086b599e9c33aaac845aa7c19c4b94375e3faa897a
SHA512f1bfe0fb0c62f4012ec50c3c7fe8b9e7feefdf18b5bfab9738bdb6e540baf8d11c32b97a583367d51dc759cb44f5292bd65cc4ac95ec49075a0c485101a6f410
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5530d9273ca4de192bcd3b731f82edb
SHA1e492c40cb16f7ae651e1de24cfd7f17fec7a10cf
SHA25649485d080557617d7636526de7d9a225bc3a978264d1486274c84aed5d21b873
SHA5124e69d13554fa77633afee5c7ac4670e50b5b8a6bd150bc0a15b78b0758428273db810239234c29282637028d2ddfe6a5bb5721fadeca430a5e8dbdca5be455f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6306590fbcde2cb9218a83f0ea4d194
SHA117bf2ea58421e6c35018f82fd3200dd293aee358
SHA2563177a0e254a5c09a49e5a2c3ed8d99cf56a4a328aaee10cb187f85756207638f
SHA5125272b548269b6393b38227029e9c43846a4759d34e84676e2bf99bcd0d5f23aafa46ae62a78faac89839918adfd58cd5dbb6f83aa11f936919e968373b5d91d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e848d92d89dce9677478820bcb8b941
SHA109dc0384804262fb72a7cab64e6c167c5b896ae6
SHA256428c7b1428421eb8697d17726548901e19c11618367bbd76ad36449a819b579d
SHA5122541186626f6691e21c6f6bcb9c285ab029f47972b34c0df804f972d447d8f6791112e64fd01c9c229cdad785c83366e13c3dab41bba5f43a52ce4de0b10b3db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a69fa77555f3dc87d8b4dd0182fc78e
SHA1e23f2883f551825e64d43f77cefe20941a589d1b
SHA256fc237b3df48fc844131d192879cf7732c7b7265e6700a65815af645448c545b9
SHA5120d535491623e1d736388af47417c9d0271673af0bde4c253257fecc29cdf8fa8796b3dd6d496141916d19a7bee54abe07babffdc96322ee1e06459e299206aa2
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Filesize
4.1MB
MD5e4f28548577a2a7df80e75ed8d296a07
SHA1e1406d4d895e1ae5aa3fd730c94abec4b3ff892e
SHA256f527fe2df0f63de7516e8dc8c84c48d4d738ab8b4b01b915770511d74b214c01
SHA512aee7e59d41b12fff23e9b9b150943002bfc4c59082e59918a8ea305cd4ac0957c5a1dd358ab21817fcca3e8d19020bdcf31556b1cae6da4ba5ce36f829edac5c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec