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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12/05/2024, 06:59
Static task
static1
Behavioral task
behavioral1
Sample
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe
Resource
win10v2004-20240508-en
General
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Target
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe
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Size
4.1MB
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MD5
e6e1f03cdd49b6234cc01cf624afc230
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SHA1
aa05c9573fd6f8a8c212d85e26f80133dc6996da
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SHA256
6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5
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SHA512
37ebf4d6ffc81876f96034b5154097fda3f4cb5a02b1678c9ee1102f8a6d08a668d441afc6eb67b626444a1be12fb3a1910859220c7b2f2bb87d5dcf657fe97e
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SSDEEP
98304:MTqhS9Lnz8MmSV7jAB6wVffYAFzc/C0Dla1eCdEfwq9hv7fsfHoqc5/0ndW:jS9LzA0QB3VffYAWClIC+YKgH5cgg
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/856-2-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/856-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/856-56-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/5012-117-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5012-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3700-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1748 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3700 csrss.exe 2252 injector.exe 912 windefender.exe 1128 windefender.exe -
resource yara_rule behavioral1/files/0x000c000000023416-220.dat upx behavioral1/memory/912-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1128-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/912-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1128-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1128-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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 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 -
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 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe File created C:\Windows\rss\csrss.exe 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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 4704 sc.exe -
pid Process 3876 powershell.exe 1868 powershell.exe 1980 powershell.exe 4908 powershell.exe 2688 powershell.exe 640 powershell.exe 4116 powershell.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 540 schtasks.exe 4176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1868 powershell.exe 1868 powershell.exe 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 1980 powershell.exe 1980 powershell.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 4908 powershell.exe 4908 powershell.exe 2688 powershell.exe 2688 powershell.exe 640 powershell.exe 640 powershell.exe 4116 powershell.exe 4116 powershell.exe 3876 powershell.exe 3876 powershell.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 3700 csrss.exe 3700 csrss.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 3700 csrss.exe 3700 csrss.exe 2252 injector.exe 2252 injector.exe 3700 csrss.exe 3700 csrss.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe 2252 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1868 powershell.exe Token: SeDebugPrivilege 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Token: SeImpersonatePrivilege 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe Token: SeDebugPrivilege 1980 powershell.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 2688 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 4116 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeSystemEnvironmentPrivilege 3700 csrss.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 856 wrote to memory of 1868 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 856 wrote to memory of 1868 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 856 wrote to memory of 1868 856 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 89 PID 5012 wrote to memory of 1980 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 94 PID 5012 wrote to memory of 1980 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 94 PID 5012 wrote to memory of 1980 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 94 PID 5012 wrote to memory of 2100 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 96 PID 5012 wrote to memory of 2100 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 96 PID 2100 wrote to memory of 1748 2100 cmd.exe 98 PID 2100 wrote to memory of 1748 2100 cmd.exe 98 PID 5012 wrote to memory of 4908 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 99 PID 5012 wrote to memory of 4908 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 99 PID 5012 wrote to memory of 4908 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 99 PID 5012 wrote to memory of 2688 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 101 PID 5012 wrote to memory of 2688 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 101 PID 5012 wrote to memory of 2688 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 101 PID 5012 wrote to memory of 3700 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 103 PID 5012 wrote to memory of 3700 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 103 PID 5012 wrote to memory of 3700 5012 6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe 103 PID 3700 wrote to memory of 640 3700 csrss.exe 105 PID 3700 wrote to memory of 640 3700 csrss.exe 105 PID 3700 wrote to memory of 640 3700 csrss.exe 105 PID 3700 wrote to memory of 4116 3700 csrss.exe 111 PID 3700 wrote to memory of 4116 3700 csrss.exe 111 PID 3700 wrote to memory of 4116 3700 csrss.exe 111 PID 3700 wrote to memory of 3876 3700 csrss.exe 113 PID 3700 wrote to memory of 3876 3700 csrss.exe 113 PID 3700 wrote to memory of 3876 3700 csrss.exe 113 PID 3700 wrote to memory of 2252 3700 csrss.exe 115 PID 3700 wrote to memory of 2252 3700 csrss.exe 115 PID 912 wrote to memory of 3368 912 windefender.exe 122 PID 912 wrote to memory of 3368 912 windefender.exe 122 PID 912 wrote to memory of 3368 912 windefender.exe 122 PID 3368 wrote to memory of 4704 3368 cmd.exe 123 PID 3368 wrote to memory of 4704 3368 cmd.exe 123 PID 3368 wrote to memory of 4704 3368 cmd.exe 123 -
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\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868
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C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.exe"C:\Users\Admin\AppData\Local\Temp\6798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5.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:5012 -
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:1980
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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:2100 -
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:1748
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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:4908
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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:2688
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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:3700 -
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:640
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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:540
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2656
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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:4116
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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:3876
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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:2252
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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:4176
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:912 -
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:3368 -
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
PID:4704
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1128
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d05cedc2f8a38b3da0e60d25b1d3db37
SHA18b952df1d6e22ac2dec811e589921de601b4331f
SHA2561d204c69afe45eee165e30f67cf976baa35842ffed61ee9978d54d514d5d6259
SHA512dfaa93a9f8f115999cc823cfe0d88828df2a1f943686bc4e3dff340117bb56e58f810b1bcff2748c3eb001b1b78645f263a53f1f6053774bc6e852854de33c36
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc434eccbc4cd438bdd06e2b3a163b32
SHA16a41d8fb8d790b6b3be5de293eca7b4550baa2c1
SHA256602f612a40a7e5215d422854bd3e61636fd7cfa3087e81b0042ebde10b22ef80
SHA5126355bdd65cbc44578c34b3b0028a6a4cebd39732de3fb18630c3cabfdf87f0b5c38c9ad614744cba7a18d89243d5129f1458f204c362af1eedb0cde4e6173c17
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9fde3bceb44ba931d0ecd5a063b7ad7
SHA1dd52c06e3fe10f464a058641a626619cbd165b7a
SHA256ff8f7e8d30516f548a6a3f65fd0a07305b88dcb89a9be37f14c7323f44bea7cf
SHA512c6763884514ae35f2b1803caf7f00a7d69285540e9004cc3b899333e20a8cf5ba2cc626e33a96cf3c92de0e146f3d4f7ed1313fd27fc9c3243807d1c71b395af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b106892f64d305afa6c24538a0d4f7e3
SHA12eb2284a3be6f29c1841cbefcc618d62e8602f5b
SHA2561bbee9a9fd963cd143fb32be97dd8ad3faa5077e99e3f86c3b93a2d499df3e17
SHA512df6bccedd90cc11030236d21ef28e1f337d7cfe97dd792fea9fbdeb608222396af0fc7bf9a008546ec2cece2da3b870ebb8415193ab308ae475a12431df65093
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be96bef9603ca36af078ee8e6fcd85e9
SHA1069aa154b58d5d747190e75b6a9928c541239677
SHA25623c22f4981d5d99b875c17d443e3a4050a99a898cd41e53e86ac390a706d5616
SHA5121852b5e8768ac0550fda5ad23b22c78e30386e69b92dc5b38258fd2240ccf7274e4b6b12bba3dfdf19d830a282b3eba3dc90c75f68707219e26405aa6b25943c
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Filesize
4.1MB
MD5e6e1f03cdd49b6234cc01cf624afc230
SHA1aa05c9573fd6f8a8c212d85e26f80133dc6996da
SHA2566798d098ba258fe66b9a065b894a3e49e96c1d0deb571a88c26db57c9d30c9d5
SHA51237ebf4d6ffc81876f96034b5154097fda3f4cb5a02b1678c9ee1102f8a6d08a668d441afc6eb67b626444a1be12fb3a1910859220c7b2f2bb87d5dcf657fe97e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec