Analysis
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max time kernel
149s -
max time network
138s -
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 13:23
Static task
static1
Behavioral task
behavioral1
Sample
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe
Resource
win10v2004-20240426-en
General
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Target
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe
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Size
4.1MB
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MD5
5b757bfa4853e2eee90b10dc0dfc8f59
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SHA1
d9f6a1873809e88aeff21286534999cc05999944
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SHA256
cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c
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SHA512
f8a605741f0722bae4153f01c5f7f377e3a7b0126b445a3e80ee62c53389e329f6f777d053305debfd077f9c2e7e16f50a81cbe6608b64fe158bb40214cfe7dd
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0F5:/b8hTmbBIxHPR3rn3oK5
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3088-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/3088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3088-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3088-55-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/3088-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3088-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1868-65-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1868-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-190-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-208-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-218-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-226-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3268-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3268 csrss.exe 4788 injector.exe 3420 windefender.exe 880 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa32-211.dat upx behavioral2/memory/3420-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3420-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-223-0x0000000000400000-0x00000000008DF000-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\"" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe File created C:\Windows\rss\csrss.exe cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe File created 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 5064 sc.exe -
pid Process 2032 powershell.exe 2864 powershell.exe 1384 powershell.exe 3392 powershell.exe 2792 powershell.exe 956 powershell.exe 4704 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4416 3088 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 3428 schtasks.exe 1880 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight 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\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2792 powershell.exe 2792 powershell.exe 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 956 powershell.exe 956 powershell.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 4704 powershell.exe 4704 powershell.exe 2032 powershell.exe 2032 powershell.exe 2864 powershell.exe 2864 powershell.exe 1384 powershell.exe 1384 powershell.exe 3392 powershell.exe 3392 powershell.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 3268 csrss.exe 3268 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 3268 csrss.exe 3268 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 3268 csrss.exe 3268 csrss.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe 4788 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Token: SeImpersonatePrivilege 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 4704 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeSystemEnvironmentPrivilege 3268 csrss.exe Token: SeSecurityPrivilege 5064 sc.exe Token: SeSecurityPrivilege 5064 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3088 wrote to memory of 2792 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 83 PID 3088 wrote to memory of 2792 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 83 PID 3088 wrote to memory of 2792 3088 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 83 PID 1868 wrote to memory of 956 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 91 PID 1868 wrote to memory of 956 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 91 PID 1868 wrote to memory of 956 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 91 PID 1868 wrote to memory of 1416 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 93 PID 1868 wrote to memory of 1416 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 93 PID 1416 wrote to memory of 3916 1416 cmd.exe 95 PID 1416 wrote to memory of 3916 1416 cmd.exe 95 PID 1868 wrote to memory of 4704 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 96 PID 1868 wrote to memory of 4704 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 96 PID 1868 wrote to memory of 4704 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 96 PID 1868 wrote to memory of 2032 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 98 PID 1868 wrote to memory of 2032 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 98 PID 1868 wrote to memory of 2032 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 98 PID 1868 wrote to memory of 3268 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 100 PID 1868 wrote to memory of 3268 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 100 PID 1868 wrote to memory of 3268 1868 cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe 100 PID 3268 wrote to memory of 2864 3268 csrss.exe 101 PID 3268 wrote to memory of 2864 3268 csrss.exe 101 PID 3268 wrote to memory of 2864 3268 csrss.exe 101 PID 3268 wrote to memory of 1384 3268 csrss.exe 106 PID 3268 wrote to memory of 1384 3268 csrss.exe 106 PID 3268 wrote to memory of 1384 3268 csrss.exe 106 PID 3268 wrote to memory of 3392 3268 csrss.exe 109 PID 3268 wrote to memory of 3392 3268 csrss.exe 109 PID 3268 wrote to memory of 3392 3268 csrss.exe 109 PID 3268 wrote to memory of 4788 3268 csrss.exe 111 PID 3268 wrote to memory of 4788 3268 csrss.exe 111 PID 3420 wrote to memory of 3380 3420 windefender.exe 117 PID 3420 wrote to memory of 3380 3420 windefender.exe 117 PID 3420 wrote to memory of 3380 3420 windefender.exe 117 PID 3380 wrote to memory of 5064 3380 cmd.exe 118 PID 3380 wrote to memory of 5064 3380 cmd.exe 118 PID 3380 wrote to memory of 5064 3380 cmd.exe 118 -
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\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.exe"C:\Users\Admin\AppData\Local\Temp\cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c.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:1868 -
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:956
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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:1416 -
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:3916
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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:4704
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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:2032
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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:3268 -
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:2864
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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:3428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2492
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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:1384
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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:3392
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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:4788
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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:1880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3420 -
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:3380 -
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:5064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3088 -s 7562⤵
- Program crash
PID:4416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3088 -ip 30881⤵PID:3528
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:880
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550fefec60541f728cedfdcc6c4da7798
SHA166f0cb96979b618aa5d8bb3da6bc583ef21b468b
SHA2563bf19371e42acae945018d7991c823823d2a418ae9327ba9efaaa7abe3aeab3c
SHA512006b37a871a338a10004a5fa75bb9f4af987abc2f0a6a92bb992a8e7c6f269f43d8b2baa046ddcfb6ee75296a44733f441400756d7c6b8614ad9627a7f87e8e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5534a7513ce3185f0a430395da93ae834
SHA15383476929b29b654dc5d715b2f6f5e4cc21d1aa
SHA2564ffce96c7eeab58fd97b2129d049ec68cdc15a2928cc1bf11f4e8626a71bed8c
SHA51298235a9c1738dec0ee17b686c3652ad620c17513f950b2146f807529b86bc8bcfbbf3eb7addb123a7ffcff5dc6d7972b89f8489e715298bcd9b66105a5f60104
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c1a94bacffcdf7668e7adbd0e819f72
SHA15777f89598b4a5948121e730106e262b488b0321
SHA2563bcfe7b62d2fb63cac6a3008cc9973bb19bfc0616049c9594fb07d319c5eda83
SHA51219ae67174f6dc0e44924e5f7fecc58e13c32455f613b9de9718376fe18297233db48e5c0b6037bef19e632e97e4d6e3aa51b41e112bfbf2baea18d499367776b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eff709e9a9acb7de6f21e5e0ee3dbda3
SHA1f0364949b77a67bce45d0f88b4fbcb9bc262163a
SHA2560fc73e888fef5945bc7f88e40e6927746d533266baf822dde4307f8c59e09d0d
SHA5120b4d1c7fab17a791d8d77e689198e12e0ba05b59e3c4a6df996dc7e361a6e4f01349be784ffb9a2b9be2cc672be4960950fdd529a96b32eeb7912c49bf6c4120
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5223021b108f25e74a7a4c6eb883e44c4
SHA19cc5be9c05e249b6a38eb88c9385d46a411c1860
SHA2562d0a5c249ff6a56c60717064c36572d441640b81d0efeb96bc8e5f3e03a059a1
SHA512538306adc912357e527670644f1b77e97c4aad29b0bf8131a76b9d2e64059f9b576dc481d8793bda2e8126a7dc1d590b6f8feb4978402f381c100c54801ea58b
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Filesize
4.1MB
MD55b757bfa4853e2eee90b10dc0dfc8f59
SHA1d9f6a1873809e88aeff21286534999cc05999944
SHA256cae05fd96fdee4b74ff7249eb61f8eaf4bced560ebd4a9092405fce0bde8a63c
SHA512f8a605741f0722bae4153f01c5f7f377e3a7b0126b445a3e80ee62c53389e329f6f777d053305debfd077f9c2e7e16f50a81cbe6608b64fe158bb40214cfe7dd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec