Analysis
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max time kernel
149s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15/05/2024, 23:40
Static task
static1
Behavioral task
behavioral1
Sample
b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe
Resource
win10v2004-20240508-en
General
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Target
b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe
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Size
4.1MB
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MD5
af9cc622d3f841a382911e6a5c33a3d3
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SHA1
cd26d9543d72a49bd063d3fd6da530353f4013da
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SHA256
b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7
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SHA512
e6a9d8b03a8834b9530bb3d9343bb0d90b71691c90b666a6062bb8547f949cf1dec8a83f97dd49a46ae7709e0693f1c8b4c21e727bec8646b745c2aff97f677c
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SSDEEP
98304:Hsj80k8u7e4te7QNzi5j0edbbHwu+w5lmM0XQnF:Hg9u7eueIzil0SbrHmM00
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3268-2-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/3268-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3268-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3268-53-0x0000000004C30000-0x000000000551B000-memory.dmp family_glupteba behavioral2/memory/3268-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2084-121-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2084-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-202-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4680-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2080 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4680 csrss.exe 3848 injector.exe 4684 windefender.exe 2032 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0b-205.dat upx behavioral2/memory/4684-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2032-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4684-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2032-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2032-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.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 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 -
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 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe File created C:\Windows\rss\csrss.exe b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe File created 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 1320 sc.exe -
pid Process 4532 powershell.exe 1520 powershell.exe 2400 powershell.exe 4668 powershell.exe 2404 powershell.exe 3016 powershell.exe 700 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 3344 schtasks.exe 220 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\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,-2432 = "Cuba Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.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,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4532 powershell.exe 4532 powershell.exe 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 1520 powershell.exe 1520 powershell.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 2400 powershell.exe 2400 powershell.exe 4668 powershell.exe 4668 powershell.exe 2404 powershell.exe 2404 powershell.exe 3016 powershell.exe 3016 powershell.exe 700 powershell.exe 700 powershell.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 4680 csrss.exe 4680 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 4680 csrss.exe 4680 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 4680 csrss.exe 4680 csrss.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe 3848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Token: SeImpersonatePrivilege 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 700 powershell.exe Token: SeSystemEnvironmentPrivilege 4680 csrss.exe Token: SeSecurityPrivilege 1320 sc.exe Token: SeSecurityPrivilege 1320 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3268 wrote to memory of 4532 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 82 PID 3268 wrote to memory of 4532 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 82 PID 3268 wrote to memory of 4532 3268 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 82 PID 2084 wrote to memory of 1520 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 87 PID 2084 wrote to memory of 1520 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 87 PID 2084 wrote to memory of 1520 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 87 PID 2084 wrote to memory of 4648 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 89 PID 2084 wrote to memory of 4648 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 89 PID 4648 wrote to memory of 2080 4648 cmd.exe 91 PID 4648 wrote to memory of 2080 4648 cmd.exe 91 PID 2084 wrote to memory of 2400 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 92 PID 2084 wrote to memory of 2400 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 92 PID 2084 wrote to memory of 2400 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 92 PID 2084 wrote to memory of 4668 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 94 PID 2084 wrote to memory of 4668 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 94 PID 2084 wrote to memory of 4668 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 94 PID 2084 wrote to memory of 4680 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 96 PID 2084 wrote to memory of 4680 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 96 PID 2084 wrote to memory of 4680 2084 b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe 96 PID 4680 wrote to memory of 2404 4680 csrss.exe 97 PID 4680 wrote to memory of 2404 4680 csrss.exe 97 PID 4680 wrote to memory of 2404 4680 csrss.exe 97 PID 4680 wrote to memory of 3016 4680 csrss.exe 103 PID 4680 wrote to memory of 3016 4680 csrss.exe 103 PID 4680 wrote to memory of 3016 4680 csrss.exe 103 PID 4680 wrote to memory of 700 4680 csrss.exe 105 PID 4680 wrote to memory of 700 4680 csrss.exe 105 PID 4680 wrote to memory of 700 4680 csrss.exe 105 PID 4680 wrote to memory of 3848 4680 csrss.exe 107 PID 4680 wrote to memory of 3848 4680 csrss.exe 107 PID 4684 wrote to memory of 1132 4684 windefender.exe 113 PID 4684 wrote to memory of 1132 4684 windefender.exe 113 PID 4684 wrote to memory of 1132 4684 windefender.exe 113 PID 1132 wrote to memory of 1320 1132 cmd.exe 114 PID 1132 wrote to memory of 1320 1132 cmd.exe 114 PID 1132 wrote to memory of 1320 1132 cmd.exe 114 -
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\b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe"C:\Users\Admin\AppData\Local\Temp\b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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C:\Users\Admin\AppData\Local\Temp\b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.exe"C:\Users\Admin\AppData\Local\Temp\b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7.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:2084 -
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:1520
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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:4648 -
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:2080
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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:2400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4668
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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:4680 -
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:2404
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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:3344
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5072
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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:3016
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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:700
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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:3848
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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:220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4684 -
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:1132 -
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:1320
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2032
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
MD575f9c09f4edb2f579a1aaea9e7cfe21c
SHA15085e6d57357a95dd347b5f8b5ec610b7ae3118b
SHA2564b71ac1e8c8fe656d0aacaee937e0a7f5e0dc5a82b587a9372e6a0d2d8bca610
SHA51287f1a380552d725571c2d8c9daba14c03f184180766aaf15cd0bba8a48c1435ec9c5a604e223bc56fb4089dc6e0f79f92f927f3c5fc3e888d8dc700f59c589ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5640b78e04f5e8cfeaace00d93e8a874d
SHA10f96afc720ccd397b0158ba9793aa99d04be7bb0
SHA256b96bad8282a20e620001adf013aa3811ed83522aa4c678a4b91ad49499562c94
SHA5127637b64a68255ba5a2475f0905067a29f1e2a9008d8d83dd005146af64c8993ab148f4816eb07b2496b6098f38c700d6a29177861d9cd0fd48fad7a94bac49e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504189b0490b7d9e8d24f4af38844e317
SHA10085b2e8edbd3365db556a6fe6e285d09863b376
SHA256fa02f88b302307a07dd42673594b8b60394d53c05577576daed5f7df4709447e
SHA5125defc42fbc3b8f2b191f14bcee39772adc70f8a4cfe9297c07e2d1c902916f724aa10c596d3d7ebbd5709f5eeaee4fe4cad241bcb4920ea94f7a9c99538c7b10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5270daea22ab0d7dbac57a6c61e04b932
SHA111b080e14ecaa2331124ddd1501aa20b5ec8ead6
SHA256a89ef627fb21c8eee66975f08a9361dea3e5c16c004a0b3d35d540cef022684e
SHA512289b818423851cac0f742bf9a91daa7bbcca858ce9cc0e28608ad01aa4d3ec9b8b17a38ffb101109e60f231c8cbcc22e28c5be2620989c5389ac4357a0345777
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e89c226df72b4302c1cb7d00c895a4cf
SHA1b22246c26387267c5122b48ec8cbf3f585c27ae5
SHA256d4f07cc0964b764cc9926159882355f16cc2b166ed30aef00aa8a2d6ebf9ca1b
SHA5129a9c4e2d6569c6bb6f20ef5ed9f2f161783763bd6a58eed6f206bbb63976855e6d3f542119f7867c88dfc8e6e4659e43f6f4bf18640b01519d23e8deaf872d6d
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Filesize
4.1MB
MD5af9cc622d3f841a382911e6a5c33a3d3
SHA1cd26d9543d72a49bd063d3fd6da530353f4013da
SHA256b1c4b0c2235adf7a98b0d580230b26f61b3039d3bf1f297dbf82cca74cc8fcc7
SHA512e6a9d8b03a8834b9530bb3d9343bb0d90b71691c90b666a6062bb8547f949cf1dec8a83f97dd49a46ae7709e0693f1c8b4c21e727bec8646b745c2aff97f677c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec