Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2024 15:44
Static task
static1
Behavioral task
behavioral1
Sample
3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe
Resource
win10v2004-20240226-en
General
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Target
3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe
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Size
4.2MB
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MD5
4640b61f890aa862c439bb1a85adc94d
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SHA1
d2313a918e7908421864e81827fe195bded723d1
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SHA256
3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668
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SHA512
45ea5cc45c793193a0e9cc674eef927dc13919ae35ff2ee46dc61e9383cb4ba2c317f5ce7948906ca9a5c1bbbaca5ea487d3cfdb42fab4e5ed1781239a32e44d
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SSDEEP
98304:QK1GWkv7h1vvl4dbkVf3I7tuWpjzXe1/JxQb2aVSiC:U7DhZ94SOLve1/QVVSX
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3404-2-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/3404-3-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/3404-24-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/3404-31-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/3404-57-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/3404-59-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/4600-61-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/4600-76-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/4600-96-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/4600-150-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/4600-158-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-194-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-262-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-271-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-272-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-275-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-276-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-279-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-280-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba behavioral1/memory/1672-282-0x0000000000400000-0x0000000003108000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4932 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1672 csrss.exe 3068 injector.exe 1404 windefender.exe 968 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023344-265.dat upx behavioral1/memory/1404-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/968-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/968-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe File created C:\Windows\rss\csrss.exe 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4928 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3744 3404 WerFault.exe 90 3792 4600 WerFault.exe 101 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4216 schtasks.exe 5068 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.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\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.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\22\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.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\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 3840 powershell.exe 3840 powershell.exe 3840 powershell.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 220 powershell.exe 220 powershell.exe 220 powershell.exe 4484 powershell.exe 4484 powershell.exe 4484 powershell.exe 5008 powershell.exe 5008 powershell.exe 5008 powershell.exe 4904 powershell.exe 4904 powershell.exe 4904 powershell.exe 3780 powershell.exe 3780 powershell.exe 3780 powershell.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 1672 csrss.exe 1672 csrss.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 1672 csrss.exe 1672 csrss.exe 3068 injector.exe 3068 injector.exe 1672 csrss.exe 1672 csrss.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe 3068 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4512 powershell.exe Token: SeDebugPrivilege 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Token: SeImpersonatePrivilege 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeSystemEnvironmentPrivilege 1672 csrss.exe Token: SeSecurityPrivilege 4928 sc.exe Token: SeSecurityPrivilege 4928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3404 wrote to memory of 4512 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 95 PID 3404 wrote to memory of 4512 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 95 PID 3404 wrote to memory of 4512 3404 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 95 PID 4600 wrote to memory of 3840 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 105 PID 4600 wrote to memory of 3840 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 105 PID 4600 wrote to memory of 3840 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 105 PID 4600 wrote to memory of 4092 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 108 PID 4600 wrote to memory of 4092 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 108 PID 4092 wrote to memory of 4932 4092 cmd.exe 110 PID 4092 wrote to memory of 4932 4092 cmd.exe 110 PID 4600 wrote to memory of 220 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 111 PID 4600 wrote to memory of 220 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 111 PID 4600 wrote to memory of 220 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 111 PID 4600 wrote to memory of 4484 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 113 PID 4600 wrote to memory of 4484 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 113 PID 4600 wrote to memory of 4484 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 113 PID 4600 wrote to memory of 1672 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 116 PID 4600 wrote to memory of 1672 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 116 PID 4600 wrote to memory of 1672 4600 3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe 116 PID 1672 wrote to memory of 5008 1672 csrss.exe 119 PID 1672 wrote to memory of 5008 1672 csrss.exe 119 PID 1672 wrote to memory of 5008 1672 csrss.exe 119 PID 1672 wrote to memory of 4904 1672 csrss.exe 124 PID 1672 wrote to memory of 4904 1672 csrss.exe 124 PID 1672 wrote to memory of 4904 1672 csrss.exe 124 PID 1672 wrote to memory of 3780 1672 csrss.exe 127 PID 1672 wrote to memory of 3780 1672 csrss.exe 127 PID 1672 wrote to memory of 3780 1672 csrss.exe 127 PID 1672 wrote to memory of 3068 1672 csrss.exe 129 PID 1672 wrote to memory of 3068 1672 csrss.exe 129 PID 1404 wrote to memory of 4640 1404 windefender.exe 135 PID 1404 wrote to memory of 4640 1404 windefender.exe 135 PID 1404 wrote to memory of 4640 1404 windefender.exe 135 PID 4640 wrote to memory of 4928 4640 cmd.exe 136 PID 4640 wrote to memory of 4928 4640 cmd.exe 136 PID 4640 wrote to memory of 4928 4640 cmd.exe 136 -
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\3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe"C:\Users\Admin\AppData\Local\Temp\3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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C:\Users\Admin\AppData\Local\Temp\3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.exe"C:\Users\Admin\AppData\Local\Temp\3b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668.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:4600 -
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:3840
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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:4092 -
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:4932
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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:220
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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:4484
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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:1672 -
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:5008
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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:4216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4768
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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:4904
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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:3780
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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:3068
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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:5068
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1404 -
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:4640 -
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:4928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 8043⤵
- Program crash
PID:3792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 9442⤵
- Program crash
PID:3744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3404 -ip 34041⤵PID:856
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:81⤵PID:856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4600 -ip 46001⤵PID:5000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:968
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
MD5b6c37fa35d31763955a1bc268140fed8
SHA18469ee7ac307c65939931a328eee2b21e01cd20e
SHA2568d3f6d7af71f7777ea138c128f37bb7ebc30f212b0feb3c43ef646f851be3795
SHA51254622ddbf221e040affe718125a6eb0a1c42b680c47790ecc1a4aa8af0a20a4b82a59898bcf6405858557f0b5949d27c9ba6241ba51e8d4be45849c0d7e5917d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5acce08fd263ab20e0ba1de9a02172e34
SHA170763f64c767ca2a307566e09a3058dc200005bc
SHA256a12be419b0be525c88f6aae53fffbdc27481dbfffe043b694a48329510208048
SHA512c9e04eeea205f8fa3bbe392be3a85a2c54f0534df2eaa3cc5fa0b3c2595be02a25d8ed3752007e659b18c0fcc90dce06130835acf04cae842d7bb69b891e0c94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596e7526624fb34e13b4805970f5d9f98
SHA1cae8c6401ec50ad1bf8d491ddc67aa51f969bc52
SHA2567e1a2a42929da9a513ffb6e72f7ef34b6eef97bf5d9412eef8edff83694041dc
SHA512657159317cfa4107fd6f6eb0b902d9f7236b7c2883e64daa605586859ff1d3b599403126f1b03b5b5cbfef31d6f944a8edc98c260608293a6fab3962bd360f12
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5785199ab8b59f65ef011b053803145c6
SHA1aaa78418b3bd785deac93776bcfc8d48e831516d
SHA256e1806010bdd101aceeb876c1d26af34dbe6799ad63e297bb8749b04ed86d18dc
SHA512d170e7b813e77be0425174490cffd91a23c6e6820696c3b08e299ded72a80cac65370f31ab50568b5f0c5a38048290b8efaa52fc4fdf3a0dde8db06fda300dcc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51001eaf004e3344ad68fd8e0bbba8869
SHA1a53e48c96d4e2496ecd2b6162132e7c2170658cc
SHA256efb6b270e5487180c32e94267debb6f41c19fc9517f5d54eafd2b5b994cd9b97
SHA512da5df628e32a92a5be90f1b412ba808f290e867616a6b40d2208347b50790b581886db778486e98c8cb9d3692cf5b48ba75fd96705c1da6420566b16c952c099
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Filesize
4.2MB
MD54640b61f890aa862c439bb1a85adc94d
SHA1d2313a918e7908421864e81827fe195bded723d1
SHA2563b14b97d8d9937ce5dc9c7222acad873f865f6ab9bbf9ed7c81b7f731ffde668
SHA51245ea5cc45c793193a0e9cc674eef927dc13919ae35ff2ee46dc61e9383cb4ba2c317f5ce7948906ca9a5c1bbbaca5ea487d3cfdb42fab4e5ed1781239a32e44d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec