Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe
Resource
win10v2004-20240426-en
General
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Target
b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe
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Size
4.1MB
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MD5
9d4896bddbae7bc69e3eefbbf2ce1c86
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SHA1
67b500f2923c0f4cbb0f8062bffc293a404e51b6
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SHA256
b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec
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SHA512
da357c7aefb1b46233b9cea7257afd8777ef8e6e05a8d7f1edacbd73ccca37802350561a10038c384715fcce3e63f6b534205f7a25d347257126188686080b5a
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SSDEEP
98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUN:BqqJgO7W9SnJ3gf8jHXKu
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/448-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/448-152-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/448-203-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral1/memory/5004-204-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/448-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3712-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-260-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3712-267-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3712 csrss.exe 660 injector.exe 2212 windefender.exe 736 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023425-215.dat upx behavioral1/memory/2212-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/736-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2212-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/736-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/736-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.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\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 File created 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 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe File created C:\Windows\rss\csrss.exe b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.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 632 sc.exe -
pid Process 1420 powershell.exe 1492 powershell.exe 5428 powershell.exe 5360 powershell.exe 4624 powershell.exe 4380 powershell.exe 4580 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 5296 schtasks.exe 4792 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,-892 = "Morocco Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard 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" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-621 = "Korea Daylight 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" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.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\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.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,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5360 powershell.exe 5360 powershell.exe 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 4624 powershell.exe 4624 powershell.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 4380 powershell.exe 4380 powershell.exe 4580 powershell.exe 4580 powershell.exe 1420 powershell.exe 1420 powershell.exe 1420 powershell.exe 1492 powershell.exe 1492 powershell.exe 1492 powershell.exe 5428 powershell.exe 5428 powershell.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 3712 csrss.exe 3712 csrss.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 3712 csrss.exe 3712 csrss.exe 660 injector.exe 660 injector.exe 3712 csrss.exe 3712 csrss.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe 660 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5360 powershell.exe Token: SeDebugPrivilege 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Token: SeImpersonatePrivilege 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 1420 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 5428 powershell.exe Token: SeSystemEnvironmentPrivilege 3712 csrss.exe Token: SeSecurityPrivilege 632 sc.exe Token: SeSecurityPrivilege 632 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 448 wrote to memory of 5360 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 85 PID 448 wrote to memory of 5360 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 85 PID 448 wrote to memory of 5360 448 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 85 PID 5004 wrote to memory of 4624 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 91 PID 5004 wrote to memory of 4624 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 91 PID 5004 wrote to memory of 4624 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 91 PID 5004 wrote to memory of 5724 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 99 PID 5004 wrote to memory of 5724 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 99 PID 5724 wrote to memory of 1696 5724 cmd.exe 101 PID 5724 wrote to memory of 1696 5724 cmd.exe 101 PID 5004 wrote to memory of 4380 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 102 PID 5004 wrote to memory of 4380 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 102 PID 5004 wrote to memory of 4380 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 102 PID 5004 wrote to memory of 4580 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 104 PID 5004 wrote to memory of 4580 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 104 PID 5004 wrote to memory of 4580 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 104 PID 5004 wrote to memory of 3712 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 106 PID 5004 wrote to memory of 3712 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 106 PID 5004 wrote to memory of 3712 5004 b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe 106 PID 3712 wrote to memory of 1420 3712 csrss.exe 109 PID 3712 wrote to memory of 1420 3712 csrss.exe 109 PID 3712 wrote to memory of 1420 3712 csrss.exe 109 PID 3712 wrote to memory of 1492 3712 csrss.exe 115 PID 3712 wrote to memory of 1492 3712 csrss.exe 115 PID 3712 wrote to memory of 1492 3712 csrss.exe 115 PID 3712 wrote to memory of 5428 3712 csrss.exe 117 PID 3712 wrote to memory of 5428 3712 csrss.exe 117 PID 3712 wrote to memory of 5428 3712 csrss.exe 117 PID 3712 wrote to memory of 660 3712 csrss.exe 119 PID 3712 wrote to memory of 660 3712 csrss.exe 119 PID 2212 wrote to memory of 2900 2212 windefender.exe 125 PID 2212 wrote to memory of 2900 2212 windefender.exe 125 PID 2212 wrote to memory of 2900 2212 windefender.exe 125 PID 2900 wrote to memory of 632 2900 cmd.exe 126 PID 2900 wrote to memory of 632 2900 cmd.exe 126 PID 2900 wrote to memory of 632 2900 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\b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe"C:\Users\Admin\AppData\Local\Temp\b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5360
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C:\Users\Admin\AppData\Local\Temp\b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.exe"C:\Users\Admin\AppData\Local\Temp\b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec.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:5004 -
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:4624
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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:5724 -
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:1696
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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:4380
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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:4580
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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:3712 -
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:1420
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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:5296
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1292
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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:1492
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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:5428
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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:660
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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:4792
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212 -
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:2900 -
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:632
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:736
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
MD50f067daeaf5711670833e0d8a0f33f9a
SHA1702a1b35e1cb00874a44d85830aa9a15377bbe05
SHA2566d22e7996ad09863805b600fc44cdbb605c47147e6d1fdac7a7be3824fef447b
SHA5126e2389554935ec5036132f68cdcacd7897bcdf2cec8411db9b1bb5498c2d1410f68169f1eb6b01b72f827000204568f11cd5757cc755ebbc683f64e99ba46fa7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5283c2f9b17470cdac3d305d0931f69c2
SHA124819437af7612eb660ec52d4480969ab863e8ce
SHA25649e6ae7e75a83b9f6861e3b010e6b39e7e643c36772b9340ec738518d9ddc9ab
SHA5125ff7a2d261229caa78c0a432fa29409402129a676fe8c9b9cb7376695805fb37b8653325b0f0d012e1eb5d720bb1e88114d094f37097bce0027bb86a535f317e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515dbd5395e2344b9cdb756a33245c219
SHA12891679c88c2409a56456592d97857447796ab1a
SHA256a08fae9227a9031572928fbe9e8d28aff32506c7fa56ac243fd54e8b5fa597b8
SHA5121b741e183e0280d99d7e064ffb948e557a523b05e33a4030c94499342ed70e7dbc111e700582c15338d24e43ddab7c73ac8e1d66e94301a5fd550ea628eeec1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518dd9250f23011d7bcb945241de7eb92
SHA161e6bc8e260e2fa49338fd0038c07dad4556b488
SHA256d2c895019bcadad8fb852cb0e149d430397ac71fd361e0dc6557aa4a3fbccf15
SHA5129042456eb91f7b60e05f15705ef579fe0a1edecbcb156ebbb8ca89f89f8fe542305435d7ce9c1184284edcfcc282496576b9c4d566da16ad9d1675f5d1b45233
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eef61d4bb410fb93d372381beadd5bb5
SHA1219c116c5e63779b0c7d7dffa175d5245a209d8b
SHA2565f7316163b34089df0bdbafb6daa29365d11a6046eefefaf926700c18b901380
SHA512d34941fbc541a50b7d97560dd6ed0c59668e0dfd7cab0668d35b941d0ce42539d796ba9407f1acdf407da06ad246ade7e1c07250fc919970ae7c807c7584fa8c
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Filesize
4.1MB
MD59d4896bddbae7bc69e3eefbbf2ce1c86
SHA167b500f2923c0f4cbb0f8062bffc293a404e51b6
SHA256b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec
SHA512da357c7aefb1b46233b9cea7257afd8777ef8e6e05a8d7f1edacbd73ccca37802350561a10038c384715fcce3e63f6b534205f7a25d347257126188686080b5a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec