Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe
Resource
win10v2004-20240412-en
General
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Target
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe
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Size
4.2MB
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MD5
440ab6c0baccb5e35e1dfb0582894bd8
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SHA1
4df5ce6c39ae9751e02b989d293af988ef283882
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SHA256
9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73
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SHA512
ed27269a8e47783ff9f79258bb9177a054f3ba33f751017752abf50a5ac1864aea221406f12788b2a7de8ac18d25df5a096d9f79b61968f8ccd92e8a24f23e75
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGC:XdVQtLoTZDg5GO9Bqlca
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3220-2-0x0000000004020000-0x000000000490B000-memory.dmp family_glupteba behavioral1/memory/3220-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3220-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3220-56-0x0000000004020000-0x000000000490B000-memory.dmp family_glupteba behavioral1/memory/388-57-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/388-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/388-157-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-195-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-279-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-281-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-283-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-287-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-289-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-291-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4168-293-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1924 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4168 csrss.exe 1316 injector.exe 448 windefender.exe 2220 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023434-267.dat upx behavioral1/memory/448-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2220-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2220-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2220-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\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 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 File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log 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 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe File created C:\Windows\rss\csrss.exe 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2912 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3536 3220 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2380 schtasks.exe 3016 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4072 powershell.exe 4072 powershell.exe 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 772 powershell.exe 772 powershell.exe 772 powershell.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 5056 powershell.exe 5056 powershell.exe 5056 powershell.exe 628 powershell.exe 628 powershell.exe 628 powershell.exe 4800 powershell.exe 4800 powershell.exe 4800 powershell.exe 3828 powershell.exe 3828 powershell.exe 3828 powershell.exe 1844 powershell.exe 1844 powershell.exe 1844 powershell.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4168 csrss.exe 4168 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4168 csrss.exe 4168 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4168 csrss.exe 4168 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Token: SeImpersonatePrivilege 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe Token: SeDebugPrivilege 772 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 3828 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeSystemEnvironmentPrivilege 4168 csrss.exe Token: SeSecurityPrivilege 2912 sc.exe Token: SeSecurityPrivilege 2912 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3220 wrote to memory of 4072 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 3220 wrote to memory of 4072 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 3220 wrote to memory of 4072 3220 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 93 PID 388 wrote to memory of 772 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 101 PID 388 wrote to memory of 772 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 101 PID 388 wrote to memory of 772 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 101 PID 388 wrote to memory of 1612 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 106 PID 388 wrote to memory of 1612 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 106 PID 1612 wrote to memory of 1924 1612 cmd.exe 108 PID 1612 wrote to memory of 1924 1612 cmd.exe 108 PID 388 wrote to memory of 5056 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 109 PID 388 wrote to memory of 5056 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 109 PID 388 wrote to memory of 5056 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 109 PID 388 wrote to memory of 628 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 112 PID 388 wrote to memory of 628 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 112 PID 388 wrote to memory of 628 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 112 PID 388 wrote to memory of 4168 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 115 PID 388 wrote to memory of 4168 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 115 PID 388 wrote to memory of 4168 388 9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe 115 PID 4168 wrote to memory of 4800 4168 csrss.exe 116 PID 4168 wrote to memory of 4800 4168 csrss.exe 116 PID 4168 wrote to memory of 4800 4168 csrss.exe 116 PID 4168 wrote to memory of 3828 4168 csrss.exe 122 PID 4168 wrote to memory of 3828 4168 csrss.exe 122 PID 4168 wrote to memory of 3828 4168 csrss.exe 122 PID 4168 wrote to memory of 1844 4168 csrss.exe 124 PID 4168 wrote to memory of 1844 4168 csrss.exe 124 PID 4168 wrote to memory of 1844 4168 csrss.exe 124 PID 4168 wrote to memory of 1316 4168 csrss.exe 127 PID 4168 wrote to memory of 1316 4168 csrss.exe 127 PID 448 wrote to memory of 3040 448 windefender.exe 133 PID 448 wrote to memory of 3040 448 windefender.exe 133 PID 448 wrote to memory of 3040 448 windefender.exe 133 PID 3040 wrote to memory of 2912 3040 cmd.exe 134 PID 3040 wrote to memory of 2912 3040 cmd.exe 134 PID 3040 wrote to memory of 2912 3040 cmd.exe 134 -
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\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072
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C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.exe"C:\Users\Admin\AppData\Local\Temp\9136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73.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:388 -
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:772
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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:1612 -
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:1924
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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:5056
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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:628
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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:4168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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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:2380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2192
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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:3828
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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:1844
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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:1316
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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:3016
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:448 -
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:3040 -
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:2912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3220 -s 7082⤵
- Program crash
PID:3536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3220 -ip 32201⤵PID:2444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2220
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589695a9d3f54ec217b92b0121d04eecd
SHA1b8d2d5e40651f96effdfe54f395eff59cf98a358
SHA2569cbf105cbf2ad22a15f461105acd3582c3261a374e07b81fe84083e48a9e120a
SHA512c7c87088ee289d90bfe438ce76ce689eab94c3aeedd21bec50d50400af86e35f0ecdabdded5ffc64f7501335c35cc37fe08a162b3ca3c16ab9cb7fcd5453678e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52cdd74df84aed676311c832d4f0d8252
SHA129430f7e4188a75ff94644fcf64e791cf33ac3fa
SHA2563f96cde9dc8d8774b3b1fd615dd18e591a57f1742ede787fb27e4d9395d29baa
SHA512b7441c77587a2fce09c16f24195c5b857af75b1e1ab1e0f3eb5292f79a28952648c7b55ec65c81be40351336ce8abf1eb7352ab01cd503f97840222b78f3ca34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561acac3658956e42922221e633cd16cc
SHA1d25411d159ab4270887c54624ee297cdbefd547f
SHA256cb16ef794ca4c202da643934f0c56abaedee70bbaf399f26555c46b34235ee65
SHA51228319c197358926edacdea2e16db648167ef6b9d3ed4611e910039401f3242a5facfe251464ec25264db167f0903031a8c1e0a01799df11cc7b503dafd20e93d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540f8035748d1e7a743171a3ed7fa5691
SHA187d00744df6fc40f6aafb95c04e439cace59a8b8
SHA2563b37b783156e1c7e8a9252b52b58a8d0114a7545308e07dd4c75f9d047bad074
SHA5121a70f6990383c89148ca01892223a694870dd8f705201ea080132f15a50fe7c2274d6b6f3da75782a738ec78fd2b599f437ed9066f7a8324c41e0c5c14442dbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54344aa6f5b5b5c2745fc830c2a73539e
SHA135456fec94a1cfca09a1f25528a376c9f2145f1d
SHA256197600e06298c01c07d2bb33f614818f15889f4f955c54847515cd299f87f697
SHA512534fd74c9006d06971e9d55f0e0259d1582e2eab9a8bba036b4d7632763e346464542cb374cfbabaf1f670f52c8be71cc73f0cd8098353702890a11f4efaf410
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Filesize
4.2MB
MD5440ab6c0baccb5e35e1dfb0582894bd8
SHA14df5ce6c39ae9751e02b989d293af988ef283882
SHA2569136f7f477341bcc01ee37da37f81757c838f4aadfd503fdce580f30ae35be73
SHA512ed27269a8e47783ff9f79258bb9177a054f3ba33f751017752abf50a5ac1864aea221406f12788b2a7de8ac18d25df5a096d9f79b61968f8ccd92e8a24f23e75
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec