Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:03
Static task
static1
Behavioral task
behavioral1
Sample
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe
Resource
win10v2004-20240508-en
General
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Target
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe
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Size
4.1MB
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MD5
e983d093db15861e7d2d5f5876b43f6b
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SHA1
5fa55d963d5a6ef190748ac3d6f4496f27e84812
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SHA256
e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a
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SHA512
4c400b07c2e58bc701bb00725e6dfab6dad20acdab355d55dfb0385c6952b9d500d9152c359c841844aa58dc3744f052287b9a5d2dbcc48d50656890e8b0a0a5
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SSDEEP
98304:vhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvm:Zz9CiccJ0CpfGcGG1DfLk
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2704-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/2704-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2704-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2704-46-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/2704-45-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2704-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4388-56-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-109-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4388-126-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-173-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/560-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 956 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 560 csrss.exe 1568 injector.exe 1640 windefender.exe 956 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa44-208.dat upx behavioral2/memory/1640-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1640-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/956-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe File created C:\Windows\rss\csrss.exe e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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 224 sc.exe -
pid Process 3800 powershell.exe 2456 powershell.exe 4376 powershell.exe 4832 powershell.exe 3364 powershell.exe 3672 powershell.exe 5096 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4252 2456 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2720 schtasks.exe 1748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2456 powershell.exe 2456 powershell.exe 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4376 powershell.exe 4376 powershell.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 4832 powershell.exe 4832 powershell.exe 3364 powershell.exe 3364 powershell.exe 3672 powershell.exe 3672 powershell.exe 5096 powershell.exe 5096 powershell.exe 3800 powershell.exe 3800 powershell.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 560 csrss.exe 560 csrss.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 560 csrss.exe 560 csrss.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 560 csrss.exe 560 csrss.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe 1568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2456 powershell.exe Token: SeDebugPrivilege 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Token: SeImpersonatePrivilege 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 3364 powershell.exe Token: SeDebugPrivilege 3672 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 3800 powershell.exe Token: SeSystemEnvironmentPrivilege 560 csrss.exe Token: SeSecurityPrivilege 224 sc.exe Token: SeSecurityPrivilege 224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2704 wrote to memory of 2456 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 79 PID 2704 wrote to memory of 2456 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 79 PID 2704 wrote to memory of 2456 2704 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 79 PID 4388 wrote to memory of 4376 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 87 PID 4388 wrote to memory of 4376 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 87 PID 4388 wrote to memory of 4376 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 87 PID 4388 wrote to memory of 1404 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 89 PID 4388 wrote to memory of 1404 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 89 PID 1404 wrote to memory of 956 1404 cmd.exe 91 PID 1404 wrote to memory of 956 1404 cmd.exe 91 PID 4388 wrote to memory of 4832 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 92 PID 4388 wrote to memory of 4832 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 92 PID 4388 wrote to memory of 4832 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 92 PID 4388 wrote to memory of 3364 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 4388 wrote to memory of 3364 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 4388 wrote to memory of 3364 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 94 PID 4388 wrote to memory of 560 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 96 PID 4388 wrote to memory of 560 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 96 PID 4388 wrote to memory of 560 4388 e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe 96 PID 560 wrote to memory of 3672 560 csrss.exe 97 PID 560 wrote to memory of 3672 560 csrss.exe 97 PID 560 wrote to memory of 3672 560 csrss.exe 97 PID 560 wrote to memory of 5096 560 csrss.exe 102 PID 560 wrote to memory of 5096 560 csrss.exe 102 PID 560 wrote to memory of 5096 560 csrss.exe 102 PID 560 wrote to memory of 3800 560 csrss.exe 105 PID 560 wrote to memory of 3800 560 csrss.exe 105 PID 560 wrote to memory of 3800 560 csrss.exe 105 PID 560 wrote to memory of 1568 560 csrss.exe 107 PID 560 wrote to memory of 1568 560 csrss.exe 107 PID 1640 wrote to memory of 3508 1640 windefender.exe 113 PID 1640 wrote to memory of 3508 1640 windefender.exe 113 PID 1640 wrote to memory of 3508 1640 windefender.exe 113 PID 3508 wrote to memory of 224 3508 cmd.exe 114 PID 3508 wrote to memory of 224 3508 cmd.exe 114 PID 3508 wrote to memory of 224 3508 cmd.exe 114 -
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\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 25123⤵
- Program crash
PID:4252
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C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.exe"C:\Users\Admin\AppData\Local\Temp\e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a.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:4388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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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:1404 -
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:956
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3364
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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:560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3672
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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:2720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2844
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
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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:1568
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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:1748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1640 -
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:3508 -
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:224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2456 -ip 24561⤵PID:4612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:956
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dde45283b3809a2b9fcdd65622dbabfb
SHA1c12bb395c3c015069ec12be061c16f1419d698f1
SHA256f1aee998a9a60a06519ead36e3be2855389367a5e399e0f2d143bb33a00921dd
SHA5124792830341959098211274106216deee8adf5b70d4464d16cf12d44051cfce590e88997d09601917b82df931a88e6f53803c662bfcbc6ad41b4c764237837972
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587af5e856ee29942c9e1ce93e1abbb2e
SHA151045efea483de21a0b988b962047c5ae433100e
SHA2560cc0f30e8dba66f9451df6f3cad8961c1978b1b7b025e4b8806f0a2b07320cb2
SHA51272f7723e938e6540f208da0ae66130585aa270c6f4dfcabd3e99c853a663ba428385e1fc9e412c157f05f3c5d3b4cc17ee1e5b85e4ce9c8681086b84066b337e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD501f52b08587b412822cbfda100886ef7
SHA16106ea48ead88e95c66ae6e7637ad6bcb216126c
SHA25678834941caf9c249699c262d4c675de6cb4fa41046614aca16b9ddbff046f86b
SHA512f270c4c97fa80b704dcaa9bf5d4ed6b2add4566a4265306c289d16a08fbe9b7e014a46a88fb3c321253d0febdcaa1334adebb7b18bca57387cd989ff44c5fb16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517d93489b3df43ae53a366a3c45fa441
SHA13aa381e8e8be1aa93e88c86f211ec30ace97c4e3
SHA256fc9e163afa3d31320ded2b367b8b24428ce8f937859013085c34725d1725f300
SHA512241858716d0da6a651816ebb2da0c3cabb99e4f565b26abb1c4237172162d4441ca7621ec0962798801942102644c39deae0bae4b74ce38c57c4df306e1904f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b5bfb0b720281d4022e09701ca06641
SHA11f2b0705399e05df0589a7453cd7cfeee1139541
SHA25646dcfb2d6fe0895b5894bfb79b1de7fcc01cbe1625f7cf1cb51de80ace644ae9
SHA5127e8ec08863d2ccce9605d229224bf5fe430084f910466a3794ed5090eb164964d20eca30c6675fd9ad50116923757131e7fc0d37d4a3b1cb244725218b0a90d0
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Filesize
4.1MB
MD5e983d093db15861e7d2d5f5876b43f6b
SHA15fa55d963d5a6ef190748ac3d6f4496f27e84812
SHA256e70ecbb4b0fd843921765ec67ad7b80d26496d82ce22b2a9d4ca2e591869b24a
SHA5124c400b07c2e58bc701bb00725e6dfab6dad20acdab355d55dfb0385c6952b9d500d9152c359c841844aa58dc3744f052287b9a5d2dbcc48d50656890e8b0a0a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec