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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 23:19
Static task
static1
Behavioral task
behavioral1
Sample
41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe
Resource
win10v2004-20240426-en
General
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Target
41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe
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Size
4.1MB
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MD5
c154b7ded500c319e8e2ba82a88ed039
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SHA1
81aba39aab24b05e49219a254063c7d43b274c05
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SHA256
41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8
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SHA512
0397495c8a207bfd0ebcd6e464b1c53aed53f9078bd731304610f17df9c95468fedf41e1e4cb310a637b32b512e0d039ef6784d532e382d47acf71ed6b3a4816
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SSDEEP
98304:PM/EmSBi2U836aQ7T+NOHAd2U4SvMS0Qb1S3aNOYAF0BRB40OFsf:PR5hU83ZQZH62N+Mm1SqPK0thf
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1176-2-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/1176-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1176-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1176-58-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/3360-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4856-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4856 csrss.exe 4744 injector.exe 4588 windefender.exe 4532 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023411-218.dat upx behavioral1/memory/4588-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4588-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4532-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3244 sc.exe -
pid Process 2168 powershell.exe 4732 powershell.exe 3180 powershell.exe 3836 powershell.exe 3108 powershell.exe 1324 powershell.exe 2076 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 3220 schtasks.exe 4928 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.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,-81 = "Atlantic Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4732 powershell.exe 4732 powershell.exe 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3180 powershell.exe 3180 powershell.exe 3180 powershell.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 3836 powershell.exe 3836 powershell.exe 3108 powershell.exe 3108 powershell.exe 1324 powershell.exe 1324 powershell.exe 2076 powershell.exe 2076 powershell.exe 2168 powershell.exe 2168 powershell.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4856 csrss.exe 4856 csrss.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4856 csrss.exe 4856 csrss.exe 4744 injector.exe 4744 injector.exe 4856 csrss.exe 4856 csrss.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe 4744 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4732 powershell.exe Token: SeDebugPrivilege 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Token: SeImpersonatePrivilege 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Token: SeDebugPrivilege 3180 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeSystemEnvironmentPrivilege 4856 csrss.exe Token: SeSecurityPrivilege 3244 sc.exe Token: SeSecurityPrivilege 3244 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1176 wrote to memory of 4732 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 88 PID 1176 wrote to memory of 4732 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 88 PID 1176 wrote to memory of 4732 1176 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 88 PID 3360 wrote to memory of 3180 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 99 PID 3360 wrote to memory of 3180 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 99 PID 3360 wrote to memory of 3180 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 99 PID 3360 wrote to memory of 3716 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 101 PID 3360 wrote to memory of 3716 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 101 PID 3716 wrote to memory of 1860 3716 cmd.exe 103 PID 3716 wrote to memory of 1860 3716 cmd.exe 103 PID 3360 wrote to memory of 3836 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 104 PID 3360 wrote to memory of 3836 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 104 PID 3360 wrote to memory of 3836 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 104 PID 3360 wrote to memory of 3108 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 106 PID 3360 wrote to memory of 3108 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 106 PID 3360 wrote to memory of 3108 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 106 PID 3360 wrote to memory of 4856 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 108 PID 3360 wrote to memory of 4856 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 108 PID 3360 wrote to memory of 4856 3360 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 108 PID 4856 wrote to memory of 1324 4856 csrss.exe 109 PID 4856 wrote to memory of 1324 4856 csrss.exe 109 PID 4856 wrote to memory of 1324 4856 csrss.exe 109 PID 4856 wrote to memory of 2076 4856 csrss.exe 114 PID 4856 wrote to memory of 2076 4856 csrss.exe 114 PID 4856 wrote to memory of 2076 4856 csrss.exe 114 PID 4856 wrote to memory of 2168 4856 csrss.exe 117 PID 4856 wrote to memory of 2168 4856 csrss.exe 117 PID 4856 wrote to memory of 2168 4856 csrss.exe 117 PID 4856 wrote to memory of 4744 4856 csrss.exe 120 PID 4856 wrote to memory of 4744 4856 csrss.exe 120 PID 4588 wrote to memory of 3684 4588 windefender.exe 127 PID 4588 wrote to memory of 3684 4588 windefender.exe 127 PID 4588 wrote to memory of 3684 4588 windefender.exe 127 PID 3684 wrote to memory of 3244 3684 cmd.exe 128 PID 3684 wrote to memory of 3244 3684 cmd.exe 128 PID 3684 wrote to memory of 3244 3684 cmd.exe 128 -
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\41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe"C:\Users\Admin\AppData\Local\Temp\41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
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C:\Users\Admin\AppData\Local\Temp\41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe"C:\Users\Admin\AppData\Local\Temp\41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.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:3360 -
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:3180
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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:3716 -
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:1860
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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:3836
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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:3108
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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:4856 -
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:1324
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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:3220
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1572
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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:2076
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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:2168
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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:4744
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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:4928
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4588 -
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:3684 -
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:3244
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4532
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6e35b66aa53a643d890978fb3b9ac93
SHA18803d4454ede984cea683d067c152a530ea3bd35
SHA2563a72550dab0be7780df664be3714ce4186f2d39cdf30c3aedcc820cf3ca5501b
SHA512254feaf0e621846e15bea56bad1f7973baf99850f1b8893be1a8998f9b9cc5a0c567913cd124d32eb3dfb823f2965a2b1e4ed20fb6118d83d68e19b4b9f0ce1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533e19b59b96c347df005a9475eec8b48
SHA109e07d97ffd3504709c919ff803d71c6df3e763e
SHA256b751d4d93062aad9be1aac4ee8bfbfa5c72eccb827ed530375809afd57050368
SHA5120601abb50c2196b54eff8e503b68a80ce7b6bc3ca3b46b278a1c3e005a2a462f148fad01d8b75d33096b9acf677435128daad0c99f533925b80aa4b2b588fc77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d48e7ec5bd7e3b3bcc6936821efaf63
SHA1585dd8a4b784683aa2065a26bb2c44ab426bceb2
SHA25671ba46b6ff585187c985f3036de2503bbda0818e51d2911f4fc8478684850f9b
SHA5129a8a26d2a8c44f2e64624cd22b553046c5bbb09dd3b32ac6aa9960d5fcded4ebc93dee24d5e6f61f3e406da5238ab7e4fa97890dd81e8ddbc8e39374dc18fbc2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c7db817abaafc1b08e46c9deb16dd13
SHA19e0d4d91b132fad164dfc2c52c2c42f25bd48e48
SHA2567d5c0278d2fdca44514741c8970125eb3f7e06fb16847eb8db46cd02df6c63b5
SHA512c6c060025f5324d30ac5aa97b998c36aceeb3c3d5dcc04804be3770f34e07cac093243b8108833ff083ffdbf0012d7c0f9c45333f96fb6be7e66207a4057c4b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a12ac08236174088c67f30aca9e5d208
SHA1cc10d2f9f5354922b1fbf21e69ba34d3b1e33b4d
SHA256e6300ad94e86c9cfefd3e95036591f0abdcf4fdc10dd899563babb6c4f7e599c
SHA5123ae3a0f54d1d04b0f6e5947f9e7a3297bdf2b4a32c2cb07439cefd6d615c74276845dbfc49acafdc72d25fc3ba319e47a8e94f4e58a2404db5fab47c75fa4608
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Filesize
4.1MB
MD5c154b7ded500c319e8e2ba82a88ed039
SHA181aba39aab24b05e49219a254063c7d43b274c05
SHA25641a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8
SHA5120397495c8a207bfd0ebcd6e464b1c53aed53f9078bd731304610f17df9c95468fedf41e1e4cb310a637b32b512e0d039ef6784d532e382d47acf71ed6b3a4816
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec