Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 17 IoCs
resource yara_rule behavioral2/memory/1872-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1872-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1872-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1872-53-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4688-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1824-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4716 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1824 csrss.exe 3732 injector.exe 2268 windefender.exe 1956 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9db-208.dat upx behavioral2/memory/2268-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2268-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1956-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe File created C:\Windows\rss\csrss.exe 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1844 sc.exe -
pid Process 1888 powershell.exe 2464 powershell.exe 2672 powershell.exe 2468 powershell.exe 4436 powershell.exe 4532 powershell.exe 2324 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1924 1872 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3472 schtasks.exe 4160 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight 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\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\@tzres.dll,-2142 = "Transbaikal 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes 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\@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,-449 = "Azerbaijan Standard Time" 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2464 powershell.exe 2464 powershell.exe 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 2672 powershell.exe 2672 powershell.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 2468 powershell.exe 2468 powershell.exe 4436 powershell.exe 4436 powershell.exe 4532 powershell.exe 4532 powershell.exe 2324 powershell.exe 2324 powershell.exe 1888 powershell.exe 1888 powershell.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 1824 csrss.exe 1824 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 1824 csrss.exe 1824 csrss.exe 3732 injector.exe 3732 injector.exe 1824 csrss.exe 1824 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Token: SeImpersonatePrivilege 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeSystemEnvironmentPrivilege 1824 csrss.exe Token: SeSecurityPrivilege 1844 sc.exe Token: SeSecurityPrivilege 1844 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1872 wrote to memory of 2464 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 83 PID 1872 wrote to memory of 2464 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 83 PID 1872 wrote to memory of 2464 1872 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 83 PID 4688 wrote to memory of 2672 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 91 PID 4688 wrote to memory of 2672 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 91 PID 4688 wrote to memory of 2672 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 91 PID 4688 wrote to memory of 484 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 93 PID 4688 wrote to memory of 484 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 93 PID 484 wrote to memory of 4716 484 cmd.exe 95 PID 484 wrote to memory of 4716 484 cmd.exe 95 PID 4688 wrote to memory of 2468 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 96 PID 4688 wrote to memory of 2468 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 96 PID 4688 wrote to memory of 2468 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 96 PID 4688 wrote to memory of 4436 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 98 PID 4688 wrote to memory of 4436 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 98 PID 4688 wrote to memory of 4436 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 98 PID 4688 wrote to memory of 1824 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 100 PID 4688 wrote to memory of 1824 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 100 PID 4688 wrote to memory of 1824 4688 41a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8.exe 100 PID 1824 wrote to memory of 4532 1824 csrss.exe 101 PID 1824 wrote to memory of 4532 1824 csrss.exe 101 PID 1824 wrote to memory of 4532 1824 csrss.exe 101 PID 1824 wrote to memory of 2324 1824 csrss.exe 107 PID 1824 wrote to memory of 2324 1824 csrss.exe 107 PID 1824 wrote to memory of 2324 1824 csrss.exe 107 PID 1824 wrote to memory of 1888 1824 csrss.exe 109 PID 1824 wrote to memory of 1888 1824 csrss.exe 109 PID 1824 wrote to memory of 1888 1824 csrss.exe 109 PID 1824 wrote to memory of 3732 1824 csrss.exe 111 PID 1824 wrote to memory of 3732 1824 csrss.exe 111 PID 2268 wrote to memory of 5032 2268 windefender.exe 117 PID 2268 wrote to memory of 5032 2268 windefender.exe 117 PID 2268 wrote to memory of 5032 2268 windefender.exe 117 PID 5032 wrote to memory of 1844 5032 cmd.exe 118 PID 5032 wrote to memory of 1844 5032 cmd.exe 118 PID 5032 wrote to memory of 1844 5032 cmd.exe 118 -
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:1872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2464
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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:4688 -
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:2672
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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:484 -
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:4716
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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:2468
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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:4436
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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:1824 -
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:4532
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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:3472
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2124
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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:2324
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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:1888
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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:3732
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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:4160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2268 -
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:5032 -
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:1844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 6562⤵
- Program crash
PID:1924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1872 -ip 18721⤵PID:4292
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1956
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
MD52335553bd7d2a3fda362e6cc1f70548d
SHA15c91f18d98ed742e3bd684af5963453925004044
SHA2565c954faa018a749de283f65faf8b5821c6f4943acd61d9e842056f431f516ca8
SHA51210677b5ff3c6c5c642e6b7239f9ef04386748b60817adcc204cc7c73ce479c850e45024dc3df2ba1bbd171b2c32f42fadb1a89227ef12745195ba5b50229a676
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd8e9144eb070939f9588068806c3f8b
SHA1d36e5920a69fac088d24dd5629bdd858ffd9971a
SHA2562d7f9741bfaa83bfa46f396439b27181b1b362fde4266036615bcf10704a176d
SHA5123bb46b877a16f13a980465ebbead32aa85afdcd27824947d93ad4284c78e837ae5c0240bf0aa29b36d7303cd707630dd737b84029818025f244e76fd89d8373e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53653e252adc3d04e6c57761fc6ab4cce
SHA1d42f8ed44d1c29033ee8abb246c9278c1fa098b8
SHA256ec92b59b3547d4c350b9b1f4451c2cb199d9e83eeaeb41a946fce757c0fc4839
SHA51272a5c9190846105bd46e0602ffd61f0b1a1d016942404968ac7175fa1a828b10f583efa725b5d7c195aba901074144db964b1c2821ca4ac4f9a2980a98a9516c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8c7140dfa1f34a314b74d7f587aea09
SHA107e3e5e032cc689cf180172e0f7dfb7de48be82e
SHA256763ec52e05febbe0701e151439d83fc03255fb1959dbb2d955c2858895c99513
SHA5126bc4e5857b1a8802baefe27f710b4bd7f8217dbcc91499aafba930d83d15abcc2229622250db46577ddc40abb22d3c662042bacfc0081ea344967a7e1c866b62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d3435def445050278d1d292d9a4e00b
SHA11e2294efd093659f25f6f53c0fb6963c8026640f
SHA256f80942a7fb823ae8b83a9118f53dad4c71af9d3b50cf5813a3c281f55914046e
SHA5121cc5727d0750c5fb4d19b703680daee0c15219911b9e8abf1f33640750b29dc363f66bebd39f6eac502a47db13d8fccf99bde796b6063bfaf6693d6ca69ee0ae
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Filesize
4.1MB
MD5c154b7ded500c319e8e2ba82a88ed039
SHA181aba39aab24b05e49219a254063c7d43b274c05
SHA25641a88a05cc8224704ce64bceaec1b66a7e537176baf8d233f2091b29208246b8
SHA5120397495c8a207bfd0ebcd6e464b1c53aed53f9078bd731304610f17df9c95468fedf41e1e4cb310a637b32b512e0d039ef6784d532e382d47acf71ed6b3a4816
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec