Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 14:10
Static task
static1
Behavioral task
behavioral1
Sample
02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe
Resource
win10v2004-20240412-en
General
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Target
02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe
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Size
4.2MB
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MD5
ddfbe9d3ae995263ffffc5db587027de
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SHA1
04c58b00b758312816ac2447a431dceb1b89bf4f
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SHA256
02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605
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SHA512
5b3cc952c550b972fb9774d1c08b1cc1d919f40f11c900b5a82c569bd3b33f191266f162fdc348a6bb1339e7d57a53634e5b3a4bbadd35f8910439ff7e553865
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SSDEEP
98304:Lu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYS:LaARFuKJWhQkavn//blllQdNaFDGXF
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3480-2-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/3480-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5100-52-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5100-54-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/3480-79-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5100-116-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5100-141-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-237-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-247-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-259-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1228-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1228 csrss.exe 4740 injector.exe 2012 windefender.exe 1232 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-241.dat upx behavioral2/memory/2012-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1232-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1232-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1232-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\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 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe File created C:\Windows\rss\csrss.exe 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.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 992 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4696 schtasks.exe 3152 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.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\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1688 powershell.exe 1688 powershell.exe 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 3152 powershell.exe 3152 powershell.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 4048 powershell.exe 4048 powershell.exe 4356 powershell.exe 4356 powershell.exe 3144 powershell.exe 3144 powershell.exe 1700 powershell.exe 1700 powershell.exe 3400 powershell.exe 3400 powershell.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 1228 csrss.exe 1228 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 1228 csrss.exe 1228 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 1228 csrss.exe 1228 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 1688 powershell.exe Token: SeDebugPrivilege 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Token: SeImpersonatePrivilege 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeDebugPrivilege 3400 powershell.exe Token: SeSystemEnvironmentPrivilege 1228 csrss.exe Token: SeSecurityPrivilege 992 sc.exe Token: SeSecurityPrivilege 992 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3480 wrote to memory of 1688 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 78 PID 3480 wrote to memory of 1688 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 78 PID 3480 wrote to memory of 1688 3480 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 78 PID 5100 wrote to memory of 3152 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 83 PID 5100 wrote to memory of 3152 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 83 PID 5100 wrote to memory of 3152 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 83 PID 5100 wrote to memory of 2012 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 85 PID 5100 wrote to memory of 2012 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 85 PID 2012 wrote to memory of 992 2012 cmd.exe 87 PID 2012 wrote to memory of 992 2012 cmd.exe 87 PID 5100 wrote to memory of 4048 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 88 PID 5100 wrote to memory of 4048 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 88 PID 5100 wrote to memory of 4048 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 88 PID 5100 wrote to memory of 4356 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 90 PID 5100 wrote to memory of 4356 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 90 PID 5100 wrote to memory of 4356 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 90 PID 5100 wrote to memory of 1228 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 92 PID 5100 wrote to memory of 1228 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 92 PID 5100 wrote to memory of 1228 5100 02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe 92 PID 1228 wrote to memory of 3144 1228 csrss.exe 93 PID 1228 wrote to memory of 3144 1228 csrss.exe 93 PID 1228 wrote to memory of 3144 1228 csrss.exe 93 PID 1228 wrote to memory of 1700 1228 csrss.exe 98 PID 1228 wrote to memory of 1700 1228 csrss.exe 98 PID 1228 wrote to memory of 1700 1228 csrss.exe 98 PID 1228 wrote to memory of 3400 1228 csrss.exe 101 PID 1228 wrote to memory of 3400 1228 csrss.exe 101 PID 1228 wrote to memory of 3400 1228 csrss.exe 101 PID 1228 wrote to memory of 4740 1228 csrss.exe 103 PID 1228 wrote to memory of 4740 1228 csrss.exe 103 PID 2012 wrote to memory of 1484 2012 windefender.exe 109 PID 2012 wrote to memory of 1484 2012 windefender.exe 109 PID 2012 wrote to memory of 1484 2012 windefender.exe 109 PID 1484 wrote to memory of 992 1484 cmd.exe 110 PID 1484 wrote to memory of 992 1484 cmd.exe 110 PID 1484 wrote to memory of 992 1484 cmd.exe 110 -
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\02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe"C:\Users\Admin\AppData\Local\Temp\02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Users\Admin\AppData\Local\Temp\02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.exe"C:\Users\Admin\AppData\Local\Temp\02c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605.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:5100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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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:2012 -
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:992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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:1228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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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:4696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1700
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3400
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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:3152
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2012 -
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:1484 -
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:992
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1232
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
MD5241851a11d33ab5cedbcda13adcb69a9
SHA147c78aa2396b98f13add02fe10d16555ecc31095
SHA256dcf84da5bfab98fd31c2a77dd62380bdc6dfffea70511e73b9fac4ae306c4cad
SHA5128b0a583d10ea1162bd248aff053b4dccae780368ff69ad858715e9d53c928997be19bd726039605e4f3e5c9202299183df56f8b5d2f9b31722faf3e25f8a4145
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54dc27d8efc81d6d40ff8a0a51a249ed0
SHA1311a65b2e58b7b0841288e629d999f4544923ad1
SHA256a1dac891565a612d05651715270d4f4344c744720d020657e0e49a211964c6b4
SHA51293f9904d06acec2cc17cc74f1ee684384cea73892ca6685517f34d32461a4329a546e522e2d0ffa8cc9b66113bbc6f03e4a6f0bfc50d100708bd22cd0f399ad9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f673386a88114d53d788bc57125f687
SHA197dffad39d822864fb3865ddaf8cdfa0e110fd38
SHA256258ae57699c8c3a6e8953b159e26aa08b4417b4e9a9ba7d45a6e07c91d98ddca
SHA512fb4caa8ec012431ef045828987e21052f5a455500d7f3ddf7872150caf120c38aa62b0cd0870e7dc521a7e51a4a3f1bcc53b59386ef7da31a2c06595bdc424d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51112156e66d7675a269061dbcce33fb3
SHA185e8d6ece267452723ac4f42e7be24c4045cc4de
SHA256831dbe84d87ef95905afe92c3937b051e5aee52ec294fdfb7d9e70b4f79d91cd
SHA512db2c38985b9e3ab7823991a27b21aaaca12cd523a626922db62d3cd3e71b79e8286d0b4d22adfd290b0702cf747e53f2b5324875a290399593536fcbe56ea96a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e82c81e94fc6c7c5112ad6cbd91e08ab
SHA184c8107ce3c471fe5f2561f851a013050dca6a94
SHA25690afb2f28a512a68752f3f4025313a93562ac96f06ba99d20b7a15d933e0b66a
SHA5126a5ff0de3d90ae624dcac50bf106dc2b45c8365bd2bfc813f1263992cb6024eccd6e547d74312bf64923f68ca8037179a02d7e0b8d153191429809fb405f9373
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Filesize
4.2MB
MD5ddfbe9d3ae995263ffffc5db587027de
SHA104c58b00b758312816ac2447a431dceb1b89bf4f
SHA25602c83cc25125b11264c1b0e28694a0914e0b6ed7eaf36a8f550e7a81c0ab0605
SHA5125b3cc952c550b972fb9774d1c08b1cc1d919f40f11c900b5a82c569bd3b33f191266f162fdc348a6bb1339e7d57a53634e5b3a4bbadd35f8910439ff7e553865
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec