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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 17:53
Static task
static1
Behavioral task
behavioral1
Sample
0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe
Resource
win10v2004-20240226-en
General
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Target
0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe
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Size
4.2MB
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MD5
623f4f74e8508ce00aa32e70a30b9c21
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SHA1
d13e0f7ef5da9a7e45c62fdd05eb2a6f2c9126b4
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SHA256
0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39
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SHA512
e9edb71f99be86452b8f76ad31939e314c1004d479c94a6b60f6157f4bcd6bb73a96fe63bd8bc26553b9cafdadc3318549a4f5fbb2e68abf5a740033b3459ee3
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SSDEEP
98304:dBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCc:WAu+ENnjVyYiVNw4B
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1168-2-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral2/memory/1168-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1168-54-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral2/memory/1760-55-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1168-56-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1760-136-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1760-174-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-239-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-261-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2336-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2336 csrss.exe 3676 injector.exe 780 windefender.exe 4740 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa32-243.dat upx behavioral2/memory/780-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4740-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4740-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe File created C:\Windows\rss\csrss.exe 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.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 676 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 2624 schtasks.exe 3512 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.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\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.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\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3336 powershell.exe 3336 powershell.exe 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 4964 powershell.exe 4964 powershell.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 1988 powershell.exe 1988 powershell.exe 2584 powershell.exe 2584 powershell.exe 3620 powershell.exe 3620 powershell.exe 2752 powershell.exe 2752 powershell.exe 2156 powershell.exe 2156 powershell.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 2336 csrss.exe 2336 csrss.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 2336 csrss.exe 2336 csrss.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 2336 csrss.exe 2336 csrss.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe 3676 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3336 powershell.exe Token: SeDebugPrivilege 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Token: SeImpersonatePrivilege 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 2584 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeSystemEnvironmentPrivilege 2336 csrss.exe Token: SeSecurityPrivilege 676 sc.exe Token: SeSecurityPrivilege 676 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1168 wrote to memory of 3336 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 81 PID 1168 wrote to memory of 3336 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 81 PID 1168 wrote to memory of 3336 1168 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 81 PID 1760 wrote to memory of 4964 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 105 PID 1760 wrote to memory of 4964 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 105 PID 1760 wrote to memory of 4964 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 105 PID 1760 wrote to memory of 2796 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 88 PID 1760 wrote to memory of 2796 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 88 PID 2796 wrote to memory of 1120 2796 cmd.exe 90 PID 2796 wrote to memory of 1120 2796 cmd.exe 90 PID 1760 wrote to memory of 1988 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 91 PID 1760 wrote to memory of 1988 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 91 PID 1760 wrote to memory of 1988 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 91 PID 1760 wrote to memory of 2584 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 93 PID 1760 wrote to memory of 2584 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 93 PID 1760 wrote to memory of 2584 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 93 PID 1760 wrote to memory of 2336 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 95 PID 1760 wrote to memory of 2336 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 95 PID 1760 wrote to memory of 2336 1760 0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe 95 PID 2336 wrote to memory of 3620 2336 csrss.exe 96 PID 2336 wrote to memory of 3620 2336 csrss.exe 96 PID 2336 wrote to memory of 3620 2336 csrss.exe 96 PID 2336 wrote to memory of 2752 2336 csrss.exe 101 PID 2336 wrote to memory of 2752 2336 csrss.exe 101 PID 2336 wrote to memory of 2752 2336 csrss.exe 101 PID 2336 wrote to memory of 2156 2336 csrss.exe 104 PID 2336 wrote to memory of 2156 2336 csrss.exe 104 PID 2336 wrote to memory of 2156 2336 csrss.exe 104 PID 2336 wrote to memory of 3676 2336 csrss.exe 106 PID 2336 wrote to memory of 3676 2336 csrss.exe 106 PID 780 wrote to memory of 3696 780 windefender.exe 112 PID 780 wrote to memory of 3696 780 windefender.exe 112 PID 780 wrote to memory of 3696 780 windefender.exe 112 PID 3696 wrote to memory of 676 3696 cmd.exe 113 PID 3696 wrote to memory of 676 3696 cmd.exe 113 PID 3696 wrote to memory of 676 3696 cmd.exe 113 -
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\0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe"C:\Users\Admin\AppData\Local\Temp\0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3336
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C:\Users\Admin\AppData\Local\Temp\0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.exe"C:\Users\Admin\AppData\Local\Temp\0d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39.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:1760 -
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:4964
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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:2796 -
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:1120
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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:1988
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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:2584
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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:2336 -
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:3620
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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:2624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2024
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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:2752
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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:2156 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4964
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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:3676
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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:3512
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:780 -
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:3696 -
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:676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4740
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8ae35a9423d9cfa15659f54d5cdb968
SHA1d6abe535cfad0beb2d991b5b8eff3f69f0143e47
SHA256557ee027147c12dc05a18d390e4f4a705d7156a1f4ee461f273c7d7d3fa81313
SHA512429860619bdb931ecc6838b82c93d65b8e3283262a46c4e3ac8e49070ab618c95c901a15d2777c3014f037748742f57391438c86230e2e4f6481222ddb29f03a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a49fa4c1085aec3f70942f7e4569368a
SHA1137c8fd02e91e792d024e1c50263a5be8bfea2cb
SHA25662fa2c15ed7c8ea44c2bd97ff953298caf847800a8f4e66620d4f86964eb472b
SHA51263fc75bddcd56f1fe6c376e9a27cb8ce8529cc9b141081e8164be273d14872e2ebf32982870ada6804d3c2608414ddaf5aa8298791ce103235857303c8598bf8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5091d67da34358d4447d65c0217788f3f
SHA162df72bbcb5b78216bacd99119d76342f23305ab
SHA2562ddc831482c63cc5febef18d9bbc6922913afca59f4a44c070377e5c44c77fe7
SHA5125bf92624aa1793e8db26162ee8665eab6cbbeed40acc4be4efea9475fbaa0f637a840e1a0799942b6f75bd75ca38e355f262cb9e0901bf6ed986456586f410b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5baf9f9ad30ef5b9c6803fc244b48ade8
SHA1c9c71f96d2b70275c4646ec07b5a2f13173bb759
SHA25621815e1e20efce0ac230d81efddf0dd6a78b708e532f0959325021a2378b187e
SHA512bb616558957ac6cfd619f8911c7372f37f2bae7bc2b257d77c41f797b9bb55a7535bf08fc7f3651af064e010572ac5be170654fb7b3fd4988feff1cb3308712f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554f80b7440f9528d6d2879db05677831
SHA1126b4170469dd5ac7ab6243017756e4751236e07
SHA2564de2a19d76df85dbaa94898fd28498edfb91abd642fe1016c4d1b14b5216905d
SHA512f65a6201a27d95ecb5e3b48675ffb23a5feaa294507f1218f1e435cf218e14727bd2046d6da31248e07a5710a62c087b9af60a4f48f8624af89c6298d3a0cd70
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Filesize
4.2MB
MD5623f4f74e8508ce00aa32e70a30b9c21
SHA1d13e0f7ef5da9a7e45c62fdd05eb2a6f2c9126b4
SHA2560d41a644613d16ab035f83d8548cc9a829f6e812b8eaf75548eeb10325671d39
SHA512e9edb71f99be86452b8f76ad31939e314c1004d479c94a6b60f6157f4bcd6bb73a96fe63bd8bc26553b9cafdadc3318549a4f5fbb2e68abf5a740033b3459ee3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec