Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 16:12
Static task
static1
Behavioral task
behavioral1
Sample
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe
Resource
win10v2004-20240426-en
General
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Target
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe
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Size
4.1MB
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MD5
6f5c85848a8c2bdb70eefc88a4ea0463
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SHA1
4763d9bcacd111087e7e0aea404db6a42ed82860
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SHA256
8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e
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SHA512
1ece9aa2ea8bacec5c1679fad710520e9b86eaa62d1769047fd79fa00f30b81ed21979ca1bbec28d56259c3894cae60ed5bb8222899c2542f36f8bd5f8fd4321
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SSDEEP
98304:E4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpNL:E4G/GRAB9MdaGBolx/Wzud
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4580-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral1/memory/4580-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4580-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4580-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4580-56-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral1/memory/4580-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3344-100-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3344-151-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-259-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2512-262-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2512 csrss.exe 2608 injector.exe 2248 windefender.exe 3992 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023422-227.dat upx behavioral1/memory/2248-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3992-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2248-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3992-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3992-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1540 sc.exe -
pid Process 4168 powershell.exe 4564 powershell.exe 988 powershell.exe 3368 powershell.exe 440 powershell.exe 3348 powershell.exe 4552 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 1248 schtasks.exe 4176 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,-631 = "Tokyo Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.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,-2002 = "Cabo Verde Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\@tzres.dll,-391 = "Arab Daylight 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\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.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,-512 = "Central Asia Standard Time" 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 988 powershell.exe 988 powershell.exe 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3368 powershell.exe 3368 powershell.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 440 powershell.exe 440 powershell.exe 3348 powershell.exe 3348 powershell.exe 4552 powershell.exe 4552 powershell.exe 4168 powershell.exe 4168 powershell.exe 4564 powershell.exe 4564 powershell.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2512 csrss.exe 2512 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2512 csrss.exe 2512 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2512 csrss.exe 2512 csrss.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe 2608 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 988 powershell.exe Token: SeDebugPrivilege 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Token: SeImpersonatePrivilege 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 440 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeSystemEnvironmentPrivilege 2512 csrss.exe Token: SeSecurityPrivilege 1540 sc.exe Token: SeSecurityPrivilege 1540 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4580 wrote to memory of 988 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 90 PID 4580 wrote to memory of 988 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 90 PID 4580 wrote to memory of 988 4580 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 90 PID 3344 wrote to memory of 3368 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 97 PID 3344 wrote to memory of 3368 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 97 PID 3344 wrote to memory of 3368 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 97 PID 3344 wrote to memory of 4360 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 99 PID 3344 wrote to memory of 4360 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 99 PID 4360 wrote to memory of 4000 4360 cmd.exe 101 PID 4360 wrote to memory of 4000 4360 cmd.exe 101 PID 3344 wrote to memory of 440 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 102 PID 3344 wrote to memory of 440 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 102 PID 3344 wrote to memory of 440 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 102 PID 3344 wrote to memory of 3348 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 104 PID 3344 wrote to memory of 3348 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 104 PID 3344 wrote to memory of 3348 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 104 PID 3344 wrote to memory of 2512 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 106 PID 3344 wrote to memory of 2512 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 106 PID 3344 wrote to memory of 2512 3344 8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe 106 PID 2512 wrote to memory of 4552 2512 csrss.exe 109 PID 2512 wrote to memory of 4552 2512 csrss.exe 109 PID 2512 wrote to memory of 4552 2512 csrss.exe 109 PID 2512 wrote to memory of 4168 2512 csrss.exe 115 PID 2512 wrote to memory of 4168 2512 csrss.exe 115 PID 2512 wrote to memory of 4168 2512 csrss.exe 115 PID 2512 wrote to memory of 4564 2512 csrss.exe 117 PID 2512 wrote to memory of 4564 2512 csrss.exe 117 PID 2512 wrote to memory of 4564 2512 csrss.exe 117 PID 2512 wrote to memory of 2608 2512 csrss.exe 119 PID 2512 wrote to memory of 2608 2512 csrss.exe 119 PID 2248 wrote to memory of 3392 2248 windefender.exe 125 PID 2248 wrote to memory of 3392 2248 windefender.exe 125 PID 2248 wrote to memory of 3392 2248 windefender.exe 125 PID 3392 wrote to memory of 1540 3392 cmd.exe 126 PID 3392 wrote to memory of 1540 3392 cmd.exe 126 PID 3392 wrote to memory of 1540 3392 cmd.exe 126 -
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\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:988
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C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.exe"C:\Users\Admin\AppData\Local\Temp\8e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e.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:3344 -
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:3368
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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:4360 -
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:4000
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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:440
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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:3348
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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:2512 -
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:4552
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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:1248
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4964
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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:4168
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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:4564
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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:2608
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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:2248 -
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:3392 -
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:1540
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3992
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
MD5bbe80b4052f48f7e53ff6c5519131759
SHA1e578368efcc2a4cd1ff40ab69ea569a57ad4587d
SHA256f1f8091c500f5e8b908f2c7c5b6f274bd030c0033848089ad4067405d4866e53
SHA512dccbae16184ba6dae9b20273495d672ea765b7150bf6a148511d3109b874c797cbf90a017077aeb939cda13e599de6e81cbf4d67829575fdc13fa7fe9211ab42
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58507a0a5cc7b82485c23145bd5bc4933
SHA13d95115715b58bb32a597046f3fef41c93cd1b67
SHA256914cd960eaf80c4f06232e1a03bcf96ce059f03641a4a888c44c1cf91e901172
SHA512e1e127536142f24704fcfe55eff8a9a7d4f48a7d36b1456125873d94888b64ca916db6991fedc63627a27291768262cbe7074b40fc61fcb9d6a922049d66e4ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591d1d44773c232a486d180cc325a4580
SHA107a7a823ba3432588e0d5bbad3515823c0753910
SHA25632b5c8e539b106ed4f97bb5fa9c367a06890a9756b7933c15d4c8053ff92d387
SHA512f5e9341a4eb8dabd7bf0a97ac055f5d0d305aec454bf667841985449e2a0836fecec3f92821f9134631a13c372305b3121b8f3bfc52043f91d6fb31c568a6408
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569c3907573f7013353e300ed53c3ef32
SHA1cdb13d8ee56100074f7b8199f9b7f41868dae05a
SHA2566d1df075d94ee7d53880e309d7c2ff5177c7b34922f24e35bf7c85a4e44d4ac7
SHA51235926e12fed62a78bca3907e9732a44104fa0c442438ab5f3430eb2f7153106c52e9e2bdcfd96f2c9110a4994f841235cda7671223bbf8417712668f7cd43e2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9c7db63c46d7743a1cef49371a431c8
SHA12b021692dc2783e82282dbdc48646bb0f56296e4
SHA256b0a7ef903952f5989098bd072e4fadb88d3046770aee04fe2869fa245dc542d5
SHA5126ddbe1704515a607bef79fce0fe610f30c72b72e5757b903ac4dcc1b7e54f13e090624ccd322d64e1a7836700781e6cfa915158c11be2c83fc21708314614577
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Filesize
4.1MB
MD56f5c85848a8c2bdb70eefc88a4ea0463
SHA14763d9bcacd111087e7e0aea404db6a42ed82860
SHA2568e4a3edabb3b0b063e23cf12118f4420c7e7842d7c8ba096eeaaa2263154cd2e
SHA5121ece9aa2ea8bacec5c1679fad710520e9b86eaa62d1769047fd79fa00f30b81ed21979ca1bbec28d56259c3894cae60ed5bb8222899c2542f36f8bd5f8fd4321
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec