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Analysis
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max time kernel
152s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 13:18
Static task
static1
Behavioral task
behavioral1
Sample
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe
Resource
win10v2004-20240226-en
General
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Target
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe
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Size
4.2MB
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MD5
e11814d3050c19c78869110e0a75efba
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SHA1
1aa8ef86ea3a347fe3d1a8eb9afa29dfe8717bdb
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SHA256
9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a
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SHA512
78880f26ddd638fc19ab9bd7e32ea0ffac0fe01de9854806ba174a15198c020af736c4a18791defb31782d3ec5b67f747e4a3456eb196c1668d874c40dfb9211
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SSDEEP
98304:E2WkpxOBzrk5qjLCQZfkIPAIpyMRpP26xj6EOgi:9Lg2A3CyMIPAqjZNROZ
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/1604-2-0x0000000005330000-0x0000000005C1B000-memory.dmp family_glupteba behavioral1/memory/1604-3-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1604-4-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1604-9-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1604-24-0x0000000005330000-0x0000000005C1B000-memory.dmp family_glupteba behavioral1/memory/1604-56-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1604-61-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-64-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-65-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-98-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-112-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-117-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-161-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/560-165-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/2252-217-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/2252-271-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/2252-279-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2252 csrss.exe 5084 injector.exe 4844 windefender.exe 2024 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000000743-275.dat upx behavioral1/memory/4844-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe File created C:\Windows\rss\csrss.exe 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.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 4976 sc.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 4772 schtasks.exe 4496 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.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\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.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\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 56 IoCs
pid Process 5000 powershell.exe 5000 powershell.exe 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 2132 powershell.exe 2132 powershell.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 3312 powershell.exe 3312 powershell.exe 4976 powershell.exe 4976 powershell.exe 2232 powershell.exe 2232 powershell.exe 1336 powershell.exe 1336 powershell.exe 688 powershell.exe 688 powershell.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 2252 csrss.exe 2252 csrss.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 2252 csrss.exe 2252 csrss.exe 5084 injector.exe 5084 injector.exe 2252 csrss.exe 2252 csrss.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe 5084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Token: SeImpersonatePrivilege 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 2232 powershell.exe Token: SeDebugPrivilege 1336 powershell.exe Token: SeDebugPrivilege 688 powershell.exe Token: SeSystemEnvironmentPrivilege 2252 csrss.exe Token: SeSecurityPrivilege 4976 sc.exe Token: SeSecurityPrivilege 4976 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1604 wrote to memory of 5000 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 94 PID 1604 wrote to memory of 5000 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 94 PID 1604 wrote to memory of 5000 1604 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 94 PID 560 wrote to memory of 2132 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 100 PID 560 wrote to memory of 2132 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 100 PID 560 wrote to memory of 2132 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 100 PID 560 wrote to memory of 2956 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 102 PID 560 wrote to memory of 2956 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 102 PID 2956 wrote to memory of 3592 2956 cmd.exe 104 PID 2956 wrote to memory of 3592 2956 cmd.exe 104 PID 560 wrote to memory of 3312 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 105 PID 560 wrote to memory of 3312 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 105 PID 560 wrote to memory of 3312 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 105 PID 560 wrote to memory of 4976 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 107 PID 560 wrote to memory of 4976 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 107 PID 560 wrote to memory of 4976 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 107 PID 560 wrote to memory of 2252 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 109 PID 560 wrote to memory of 2252 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 109 PID 560 wrote to memory of 2252 560 9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe 109 PID 2252 wrote to memory of 2232 2252 csrss.exe 110 PID 2252 wrote to memory of 2232 2252 csrss.exe 110 PID 2252 wrote to memory of 2232 2252 csrss.exe 110 PID 2252 wrote to memory of 1336 2252 csrss.exe 116 PID 2252 wrote to memory of 1336 2252 csrss.exe 116 PID 2252 wrote to memory of 1336 2252 csrss.exe 116 PID 2252 wrote to memory of 688 2252 csrss.exe 118 PID 2252 wrote to memory of 688 2252 csrss.exe 118 PID 2252 wrote to memory of 688 2252 csrss.exe 118 PID 2252 wrote to memory of 5084 2252 csrss.exe 120 PID 2252 wrote to memory of 5084 2252 csrss.exe 120 PID 4844 wrote to memory of 4220 4844 windefender.exe 126 PID 4844 wrote to memory of 4220 4844 windefender.exe 126 PID 4844 wrote to memory of 4220 4844 windefender.exe 126 PID 4220 wrote to memory of 4976 4220 cmd.exe 127 PID 4220 wrote to memory of 4976 4220 cmd.exe 127 PID 4220 wrote to memory of 4976 4220 cmd.exe 127 -
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\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
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C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.exe"C:\Users\Admin\AppData\Local\Temp\9c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a.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:560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2132
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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:2956 -
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:3592
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3312
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4976
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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:2252 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232
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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:4772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1492
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1336
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:688
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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:5084
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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:4496
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4844 -
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:4220 -
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:4976
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:2024
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e0bae3cdba8275b63a2c48f0279f2be
SHA1db8b25d531b2ce7d77ffa9b235c9e10141a6c4ba
SHA256050e61ae1500ea5375cfbec154d09a3a6a93cc5e77637fce447e3be7fbcf2739
SHA5127db72d8c18cb53a9f935a172abc801bee3703da4fff0cb6f84f2a129c36276d4900a710efa819831c90b68c5345396bbedcebbc1f53c428e3ca7edb62c2ac2b4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56806743f07cbc228eee4a5f6439f5f32
SHA16d77f7c576de8fcbfb8772c774f385696b76b89a
SHA256c428665cf13d32e16341af7391aded70ed9f87d2a0916c7779f81a74585080cf
SHA5126d70a3b7d30514414d9c5dc71da6910722e45dedeff886866b5e8189bccca0004a5d267c887dc2b4c426ecb296a323d9c0a3897c34d64b715315b6f3abb58a1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4105914dab4d6581d0cf2f91142d3d7
SHA109fd86a7dde1fd389ee7629a9d5eb7a9d7d89d0b
SHA25659f38d9dc96ce2f7960b7689bce880db575a88cc098a043cb00320242c4bf068
SHA51220ec0a90816f9f28bf40d564fe58133616e2decdb632e7925bddadbf4c03bdbd3d89a043c366197c3b9451bf3e78f06919a9e05a5d0ba96f2353793d73b6720e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5481289c853021d3c99af060a7ba358ed
SHA1828a6d7e5ff16d3384e1cd1beeb3eeab7bfc9d88
SHA256d0053e2be7255627898fa7f1e345b12f29f615c312295c51d8e917e50c77ab1d
SHA512f7d1328034f4bcab08e7c1a5c53083ea313ce21673835dcce2c10b02ed2cb902d3470e0897d176f4e0433d4ce31e2b86d4ead6c47d5c71157f81fcbb542d5e89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54225deb32724f4584c0c3255d9a106ce
SHA164f33fa95bb3258be4a34a602d3a03cd8ef6f084
SHA256a37cc1fc18772a3215ba228131b9043eb2cd0fa386262c27f0659a268eadf0e9
SHA51207ab12ee8c82c22663a9138be7b256928f5b3ba0c763f268841f89095fb14f931c060f055e834fd3478e67c1d5fe360fc7100eec61a8a7c9b662fa89e8afe8c4
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Filesize
4.2MB
MD5e11814d3050c19c78869110e0a75efba
SHA11aa8ef86ea3a347fe3d1a8eb9afa29dfe8717bdb
SHA2569c281bf508dfd714269ecc5974980f8c9e0efe16f83b8e1332e8b550a4f8c59a
SHA51278880f26ddd638fc19ab9bd7e32ea0ffac0fe01de9854806ba174a15198c020af736c4a18791defb31782d3ec5b67f747e4a3456eb196c1668d874c40dfb9211
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec