Analysis
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max time kernel
150s -
max time network
153s -
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, 19:09
Static task
static1
Behavioral task
behavioral1
Sample
ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe
Resource
win10v2004-20240412-en
General
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Target
ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe
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Size
4.2MB
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MD5
5311a52bcdf3090e008cf1037b16dcfb
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SHA1
ea62b83066547331b96b6d43330ab31e4a0a346b
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SHA256
ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f
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SHA512
1000390bc85496f6c4b72802c5220a64e0b08dc137b6cfc231b9439b2cef6396adb2de451b77482f56a4982986e29c35c92e6eadd6c93274428e53df7141d3ef
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SSDEEP
98304:BqrB5wn4OMCZOc7+DuxcvwRwKkZb9A25YIHnzSUGXdTRu1L6e:uBo4d4+DucuGBGNT0Lb
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1604-2-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/1604-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/368-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1604-58-0x0000000003F90000-0x000000000487B000-memory.dmp family_glupteba behavioral1/memory/1604-84-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/368-146-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/368-185-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-304-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/5088-309-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2300 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5088 csrss.exe 3680 injector.exe 4452 windefender.exe 3876 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023408-258.dat upx behavioral1/memory/4452-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3876-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3876-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 -
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 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.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 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe File created C:\Windows\rss\csrss.exe ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3200 sc.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 3800 schtasks.exe 3392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian 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 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\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.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 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3644 powershell.exe 3644 powershell.exe 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 3452 powershell.exe 3452 powershell.exe 3452 powershell.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 4168 powershell.exe 4168 powershell.exe 4168 powershell.exe 5076 powershell.exe 5076 powershell.exe 5076 powershell.exe 2304 powershell.exe 2304 powershell.exe 2304 powershell.exe 3700 powershell.exe 3700 powershell.exe 3700 powershell.exe 3436 powershell.exe 3436 powershell.exe 3436 powershell.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 5088 csrss.exe 5088 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 5088 csrss.exe 5088 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 5088 csrss.exe 5088 csrss.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe 3680 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Token: SeImpersonatePrivilege 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeSystemEnvironmentPrivilege 5088 csrss.exe Token: SeSecurityPrivilege 3200 sc.exe Token: SeSecurityPrivilege 3200 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1604 wrote to memory of 3644 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 88 PID 1604 wrote to memory of 3644 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 88 PID 1604 wrote to memory of 3644 1604 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 88 PID 368 wrote to memory of 3452 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 99 PID 368 wrote to memory of 3452 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 99 PID 368 wrote to memory of 3452 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 99 PID 368 wrote to memory of 4788 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 104 PID 368 wrote to memory of 4788 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 104 PID 4788 wrote to memory of 2300 4788 cmd.exe 106 PID 4788 wrote to memory of 2300 4788 cmd.exe 106 PID 368 wrote to memory of 4168 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 107 PID 368 wrote to memory of 4168 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 107 PID 368 wrote to memory of 4168 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 107 PID 368 wrote to memory of 5076 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 109 PID 368 wrote to memory of 5076 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 109 PID 368 wrote to memory of 5076 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 109 PID 368 wrote to memory of 5088 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 112 PID 368 wrote to memory of 5088 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 112 PID 368 wrote to memory of 5088 368 ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe 112 PID 5088 wrote to memory of 2304 5088 csrss.exe 113 PID 5088 wrote to memory of 2304 5088 csrss.exe 113 PID 5088 wrote to memory of 2304 5088 csrss.exe 113 PID 5088 wrote to memory of 3700 5088 csrss.exe 119 PID 5088 wrote to memory of 3700 5088 csrss.exe 119 PID 5088 wrote to memory of 3700 5088 csrss.exe 119 PID 5088 wrote to memory of 3436 5088 csrss.exe 121 PID 5088 wrote to memory of 3436 5088 csrss.exe 121 PID 5088 wrote to memory of 3436 5088 csrss.exe 121 PID 5088 wrote to memory of 3680 5088 csrss.exe 123 PID 5088 wrote to memory of 3680 5088 csrss.exe 123 PID 4452 wrote to memory of 2804 4452 windefender.exe 131 PID 4452 wrote to memory of 2804 4452 windefender.exe 131 PID 4452 wrote to memory of 2804 4452 windefender.exe 131 PID 2804 wrote to memory of 3200 2804 cmd.exe 132 PID 2804 wrote to memory of 3200 2804 cmd.exe 132 PID 2804 wrote to memory of 3200 2804 cmd.exe 132 -
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\ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe"C:\Users\Admin\AppData\Local\Temp\ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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C:\Users\Admin\AppData\Local\Temp\ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.exe"C:\Users\Admin\AppData\Local\Temp\ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f.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:368 -
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:3452
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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:4788 -
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:2300
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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:4168
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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:5076
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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:5088 -
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:2304
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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:3800
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4792
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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:3700
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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:3436
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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:3680
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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:3392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4452 -
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:2804 -
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:3200
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3876
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
MD524d80c445c0de55b31a2975822fc01e7
SHA147866c8a35fac0e86a8ec87f6981ad712aabc257
SHA2560c675418c678104c25e122d5a52ab408032474384ce62e2a4eaa8c5dc48cf406
SHA512e120159210b73ef486fad1f46961cd96ff3a5bc7b1e2a2239e88970cc3f3e5c7c846d2ffcf0039de6bbe6ae6310e860473f9c710a9a1d475c0774caa1cdad6ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fc28a37e408a67292fff14fafdc5921
SHA114e9fe3a15f38c4f798a30bc8c6d4773166970c0
SHA256262b9e43aa829df1e149cf5866db8624090e4b54cef6abbd96e674c559ec8e61
SHA5124f8ceaae07c5a725e767f5af54771ab948f92f08fcceee042da3900aae5c2044fc9be6b185d092119e253ff90d99d892b15df12978b2d5f02db1fe24209c77be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54557e917b52cba49c5509aaee18f5657
SHA1c55fcd173b506e60a3355744b92868fc5cb54644
SHA256749e83822af80bf8052365fc1e74513acbd1cf4a56a24807d66c95419d4ca575
SHA512c5dadd4d49943c64021aa9e18a3a0dbb57cb5281e5c93aed79665b98d9b090d1f87c3bdbad9355f023c959ae9e2a9be4b18dcd88225be4853d9a6bdeb168eeb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c7bbe38ca390068c26cf868f15506f8
SHA13887bd70dfa6b0f00459bfb3d91b9c773e2a616e
SHA256bf5241d515b819b051857dc476f17ed4249a68f7b2e910e1f2d15519e9a45a10
SHA512c06696900e1b3dffa354399f123f9e5d09f269677438e23a0e3da4e469e08b0d0812a6abb17873672efbf132c978611383c657ba59616476f09105519cfc5689
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51338ce9d868057f387219c37647732c4
SHA1fdf19cae30cf7fdc9353e3974e9fad61e943f74d
SHA256fd0a8d11595e6550a409b8144382026fb2e7cc1ad5e69bfb52a284e558720d03
SHA5129eebd40644bedf7f5bf7e30dda438faed3ea72ebb31915f096e2f6702e2822f86a84b06f70bb9b5ee32a1ec2c22ea1a0d851746fe5abb9cba1a184a106f946fe
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Filesize
4.2MB
MD55311a52bcdf3090e008cf1037b16dcfb
SHA1ea62b83066547331b96b6d43330ab31e4a0a346b
SHA256ed1e43837f870a624b43c913f2bcd40a0f7e5f7699b4e139facb5039652b743f
SHA5121000390bc85496f6c4b72802c5220a64e0b08dc137b6cfc231b9439b2cef6396adb2de451b77482f56a4982986e29c35c92e6eadd6c93274428e53df7141d3ef
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec