Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:36
Static task
static1
Behavioral task
behavioral1
Sample
9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe
Resource
win10v2004-20240508-en
General
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Target
9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe
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Size
4.1MB
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MD5
a0ad490ff192c8a595011fae98517131
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SHA1
922d6e6df2c8b3450e1acb1279ae5c6be8b95659
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SHA256
9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7
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SHA512
355d6d26ad5fd5db93701fe16463a92fd76bc90ccdb9c66f5b3ecef3e75cd64348b8de74b55b201d2312fe2a6ca74e49dcf2ceb42f617e5249a55ffd4eb08f5e
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SSDEEP
49152:VP14wFe484iHbTFG8DZqgckdbbON2ATnCITQMciPqrNkjunhZbPMRZB6Unk18Iej:FH84inFrgm9NzwRsNe0ZFLetRCG6a
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3076-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3076-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3076-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3076-58-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/2044-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2044-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3128-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3128 csrss.exe 1856 injector.exe 5024 windefender.exe 3864 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023419-218.dat upx behavioral1/memory/5024-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3864-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5024-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3864-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3864-234-0x0000000000400000-0x00000000008DF000-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\"" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.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 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe File created C:\Windows\rss\csrss.exe 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4264 sc.exe -
pid Process 1440 powershell.exe 5000 powershell.exe 1224 powershell.exe 3928 powershell.exe 2844 powershell.exe 4972 powershell.exe 4964 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 1088 schtasks.exe 4360 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.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\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.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\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1440 powershell.exe 1440 powershell.exe 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 5000 powershell.exe 5000 powershell.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 1224 powershell.exe 1224 powershell.exe 3928 powershell.exe 3928 powershell.exe 2844 powershell.exe 2844 powershell.exe 4972 powershell.exe 4972 powershell.exe 4964 powershell.exe 4964 powershell.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 3128 csrss.exe 3128 csrss.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 3128 csrss.exe 3128 csrss.exe 1856 injector.exe 1856 injector.exe 3128 csrss.exe 3128 csrss.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe 1856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Token: SeImpersonatePrivilege 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 2844 powershell.exe Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeSystemEnvironmentPrivilege 3128 csrss.exe Token: SeSecurityPrivilege 4264 sc.exe Token: SeSecurityPrivilege 4264 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3076 wrote to memory of 1440 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 86 PID 3076 wrote to memory of 1440 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 86 PID 3076 wrote to memory of 1440 3076 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 86 PID 2044 wrote to memory of 5000 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 97 PID 2044 wrote to memory of 5000 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 97 PID 2044 wrote to memory of 5000 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 97 PID 2044 wrote to memory of 4308 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 101 PID 2044 wrote to memory of 4308 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 101 PID 4308 wrote to memory of 860 4308 cmd.exe 103 PID 4308 wrote to memory of 860 4308 cmd.exe 103 PID 2044 wrote to memory of 1224 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 104 PID 2044 wrote to memory of 1224 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 104 PID 2044 wrote to memory of 1224 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 104 PID 2044 wrote to memory of 3928 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 106 PID 2044 wrote to memory of 3928 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 106 PID 2044 wrote to memory of 3928 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 106 PID 2044 wrote to memory of 3128 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 108 PID 2044 wrote to memory of 3128 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 108 PID 2044 wrote to memory of 3128 2044 9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe 108 PID 3128 wrote to memory of 2844 3128 csrss.exe 109 PID 3128 wrote to memory of 2844 3128 csrss.exe 109 PID 3128 wrote to memory of 2844 3128 csrss.exe 109 PID 3128 wrote to memory of 4972 3128 csrss.exe 114 PID 3128 wrote to memory of 4972 3128 csrss.exe 114 PID 3128 wrote to memory of 4972 3128 csrss.exe 114 PID 3128 wrote to memory of 4964 3128 csrss.exe 117 PID 3128 wrote to memory of 4964 3128 csrss.exe 117 PID 3128 wrote to memory of 4964 3128 csrss.exe 117 PID 3128 wrote to memory of 1856 3128 csrss.exe 120 PID 3128 wrote to memory of 1856 3128 csrss.exe 120 PID 5024 wrote to memory of 3600 5024 windefender.exe 127 PID 5024 wrote to memory of 3600 5024 windefender.exe 127 PID 5024 wrote to memory of 3600 5024 windefender.exe 127 PID 3600 wrote to memory of 4264 3600 cmd.exe 128 PID 3600 wrote to memory of 4264 3600 cmd.exe 128 PID 3600 wrote to memory of 4264 3600 cmd.exe 128 -
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\9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe"C:\Users\Admin\AppData\Local\Temp\9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1440
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C:\Users\Admin\AppData\Local\Temp\9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.exe"C:\Users\Admin\AppData\Local\Temp\9f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7.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:2044 -
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:5000
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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:4308 -
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:860
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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:1224
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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:3928
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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:3128 -
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:2844
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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:1088
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2968
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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:4972
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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:4964
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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:1856
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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:4360
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5024 -
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:3600 -
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:4264
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3864
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
MD56cfd52691f963f4207bb340e12546da2
SHA194c69a5d8e3d0ea48dab8f8e208513aaa13c8cf1
SHA256727e8624ea8a0fbc0390db2fe76dee4020ef4abf11466a34cd79c59e0153c697
SHA51282f510c2990eb430e7bb530d1b64be0272dcceed9e859cd7e95202dda36d439bac73b13efce34a4db5e321730f17259e833345ed1847ddba3a9bc871483cc78a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afe64086db9b83c017ffbe623c5b1772
SHA1ebab4aa164cb0ec34105141b632e0998ffb5ef72
SHA256d6c0998ebf3321cce86bc51c47887aa6ae16877d8b1bd87d2e85670c37e8b7f6
SHA512ec89546f7156375a81435ddce6388bbfee9edc422eb63f6f1a4928b4a18dfa81fe3594c5f4abfbcaf0fc673d48e7c6f6d6c43b3dbb5fce4b20c9b72160a616a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e59ecfaf041ff84e3e67a1b740cfb65
SHA18c5456c6d121f8fedb078ac02ee79dba1ff900ce
SHA256b156d5797c01745178c2e777f189df97a22e27fb853f5cefa11313b398006e35
SHA512a5e55d0c158ca0efee1eed09a132bf725acf36c0de95b8c9eeae8dcd1572c067e012490f6500b89bf1c493dbacc19fc79f6964ce9ecde81d707b1774a1de8440
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1dcdbf8168b5bbc8af82a63efaa36e4
SHA1dddc57420b0f9cecba6cbcc959fedf5514db9b14
SHA256be55473f41cd6987cd02f9932abeda323d7029287105f311754c69fe8a224c67
SHA512df1f988a510c51cb45c102a62bedabb43c9f5f16fd2994c68b7b6198dd25ba1fc1c03f670fc2db60829fb7b9aa5a3e1377c8ad3a8e22b22d8071a9b28ecaa609
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58fd606066c4af9e79aa85c5206c33d71
SHA1064ff9e678a4f916975d8e9f4014da6a0fb46109
SHA256a491fcdea0a62784c57bc4b98fbe6eaa768b42bfbe0b66296cac6268eee69b46
SHA512a49d1995ad590907d1b95a47c667b229ad5a8a1cd65198093944fdd2e984265ae70617ced689bf8fad133a56480e93ff0759224ed24a453815aae9de42ce1b83
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Filesize
4.1MB
MD5a0ad490ff192c8a595011fae98517131
SHA1922d6e6df2c8b3450e1acb1279ae5c6be8b95659
SHA2569f671380fc4ae9f6018378087e88c9694313b271d85658e73ce183ac328004b7
SHA512355d6d26ad5fd5db93701fe16463a92fd76bc90ccdb9c66f5b3ecef3e75cd64348b8de74b55b201d2312fe2a6ca74e49dcf2ceb42f617e5249a55ffd4eb08f5e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec