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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/05/2024, 06:07
Static task
static1
Behavioral task
behavioral1
Sample
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe
Resource
win10v2004-20240419-en
General
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Target
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe
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Size
4.2MB
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MD5
bcc280b9442df7433a647b0cb7a334de
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SHA1
519cf79976d883e7a946cdcd140c526d3d8fc596
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SHA256
11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6
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SHA512
425211a74dd4bdec6e18ae7793f7618e25be965650dd1f16cadb2097e7e6c5cffa8bbd7c464f40057ccb5c563b387ff543e7801d8b08bc2040ca5d481ce33a08
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SSDEEP
98304:fstUJNd0eCuGr1RCENsrJ+LrHKLdeQrZD+4Ywu:fsKd0QGBRCENsYHK/rZOT
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2704-2-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/2704-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2704-48-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2704-53-0x00000000050C0000-0x00000000059AB000-memory.dmp family_glupteba behavioral2/memory/2704-51-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/2704-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/920-80-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/920-129-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-151-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-206-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-218-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-222-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-226-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-230-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-234-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-238-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-242-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba behavioral2/memory/1320-246-0x0000000000400000-0x0000000002EE5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4316 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1320 csrss.exe 4740 injector.exe 4776 windefender.exe 4760 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa44-211.dat upx behavioral2/memory/4776-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4760-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4776-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4760-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4760-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe File created C:\Windows\rss\csrss.exe 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3752 sc.exe -
pid Process 4956 powershell.exe 3024 powershell.exe 2136 powershell.exe 5044 powershell.exe 2320 powershell.exe 652 powershell.exe 956 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 2160 schtasks.exe 2824 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,-752 = "Tonga Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.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,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard 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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-772 = "Montevideo Standard 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,-912 = "Mauritius Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight 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,-2871 = "Magallanes Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight 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\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2320 powershell.exe 2320 powershell.exe 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 652 powershell.exe 652 powershell.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 956 powershell.exe 956 powershell.exe 4956 powershell.exe 4956 powershell.exe 3024 powershell.exe 3024 powershell.exe 2136 powershell.exe 2136 powershell.exe 5044 powershell.exe 5044 powershell.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 1320 csrss.exe 1320 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 1320 csrss.exe 1320 csrss.exe 4740 injector.exe 4740 injector.exe 1320 csrss.exe 1320 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2320 powershell.exe Token: SeDebugPrivilege 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Token: SeImpersonatePrivilege 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeDebugPrivilege 956 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeSystemEnvironmentPrivilege 1320 csrss.exe Token: SeSecurityPrivilege 3752 sc.exe Token: SeSecurityPrivilege 3752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2704 wrote to memory of 2320 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 79 PID 2704 wrote to memory of 2320 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 79 PID 2704 wrote to memory of 2320 2704 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 79 PID 920 wrote to memory of 652 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 84 PID 920 wrote to memory of 652 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 84 PID 920 wrote to memory of 652 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 84 PID 920 wrote to memory of 4620 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 86 PID 920 wrote to memory of 4620 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 86 PID 4620 wrote to memory of 4316 4620 cmd.exe 88 PID 4620 wrote to memory of 4316 4620 cmd.exe 88 PID 920 wrote to memory of 956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 89 PID 920 wrote to memory of 956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 89 PID 920 wrote to memory of 956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 89 PID 920 wrote to memory of 4956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 91 PID 920 wrote to memory of 4956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 91 PID 920 wrote to memory of 4956 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 91 PID 920 wrote to memory of 1320 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 93 PID 920 wrote to memory of 1320 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 93 PID 920 wrote to memory of 1320 920 11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe 93 PID 1320 wrote to memory of 3024 1320 csrss.exe 94 PID 1320 wrote to memory of 3024 1320 csrss.exe 94 PID 1320 wrote to memory of 3024 1320 csrss.exe 94 PID 1320 wrote to memory of 2136 1320 csrss.exe 100 PID 1320 wrote to memory of 2136 1320 csrss.exe 100 PID 1320 wrote to memory of 2136 1320 csrss.exe 100 PID 1320 wrote to memory of 5044 1320 csrss.exe 102 PID 1320 wrote to memory of 5044 1320 csrss.exe 102 PID 1320 wrote to memory of 5044 1320 csrss.exe 102 PID 1320 wrote to memory of 4740 1320 csrss.exe 104 PID 1320 wrote to memory of 4740 1320 csrss.exe 104 PID 4776 wrote to memory of 1436 4776 windefender.exe 110 PID 4776 wrote to memory of 1436 4776 windefender.exe 110 PID 4776 wrote to memory of 1436 4776 windefender.exe 110 PID 1436 wrote to memory of 3752 1436 cmd.exe 111 PID 1436 wrote to memory of 3752 1436 cmd.exe 111 PID 1436 wrote to memory of 3752 1436 cmd.exe 111 -
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\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2320
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C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.exe"C:\Users\Admin\AppData\Local\Temp\11c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6.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:920 -
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:652
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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:4620 -
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:4316
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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:956
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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:4956
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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:1320 -
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:3024
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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:2160
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4464
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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:2136
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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:5044
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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:4740
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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:2824
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4776 -
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:1436 -
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:3752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4760
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae8f5a8dd9d0bc5379d4f5c0109b84c4
SHA1429a8f63a85fa1b6544836a9261387b9bbc39f9b
SHA2561903ee346c6495a10715e7beb04fcdee3aba011b4e965d784014798b40292de6
SHA5123c837fe975c49d23b526463b67d9e8c047ee981224d5b02dfb96621ea423ab2a6a33bb7e33b3768b739aab2f6b97d8cf061b1903d3105a310e58220dce6d7405
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ec459af3a7c6e30b504246d0da1f078
SHA193dfe6e106f57cc0f8750752af0593d2d88726ea
SHA25695eff154e604c418e5198325e0a117cc069613d7820060333ee73d6c1a7d5b51
SHA512945536c6b483fc808af4b71c9fe8b982372685991db90ce0b474880a65bc74dc8febeb9064c6246008e71c0f58a61ab8dfe06cc8345d9ec8a51b80226ad4233c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b3d0501651a2a8cb6b503f15ad5b39a
SHA10773577ddb6a1edbe7da823b6b7ba8a1364c5c7f
SHA256689354581ad8b508a4a56e5dd4eb08f903aa09bf10c54e52361bf1a99f4473b5
SHA512735ff3440046e8b901043c8620a0fae64f62677a560dcc7949b79d1c581b553c833ba5e5648f69d7a53af7507f1ef8a39aec9cf56eac59fffd51f429fd1f1573
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3a93ac1d1b7743ccbe9bf3e80dfa29f
SHA1fd8755f1fe8c4bedb8d1ef7285a72265a8b28e63
SHA2565d297a764f559d74515d5b8583540e31487f19195023294716789d746eac5c38
SHA5121edd9d6c330ffb3256004eb7145da3755f896d26bfab33991858b0bcaf4f572a9357f1531cef5df6fd07af7902589255ada86656d0bdc4a9a7953af6b33369b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5203982252b5ccece18870cd76808eb49
SHA18547db60a90e3a382f6eeb52dfe7d81f7177d4bf
SHA256bbc918b4884860b25f114dcb6c69aeb579dc39439492052f4f5bac9e6dac20d0
SHA512c2e7ea2c21e8d976f5602c089ff415c605efc80712429fa8e1dc4d4f019e040e57d7a106797ce75fef5203ae16d6211e1546b0433f78c7d0573825f79ac64125
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Filesize
4.2MB
MD5bcc280b9442df7433a647b0cb7a334de
SHA1519cf79976d883e7a946cdcd140c526d3d8fc596
SHA25611c0fcad46d9533c7496b6778fd8609101904f837b5852773188eede7f4d52c6
SHA512425211a74dd4bdec6e18ae7793f7618e25be965650dd1f16cadb2097e7e6c5cffa8bbd7c464f40057ccb5c563b387ff543e7801d8b08bc2040ca5d481ce33a08
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec