Analysis
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max time kernel
150s -
max time network
153s -
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, 18:03
Static task
static1
Behavioral task
behavioral1
Sample
5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe
Resource
win10v2004-20240226-en
General
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Target
5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe
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Size
4.2MB
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MD5
58633c43f3b196c8d3118a4f91ba3c10
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SHA1
feb84dbd879d9060f87813fc3e9a71d34b8edaf3
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SHA256
5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f
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SHA512
086aa9e488095b0c8cc14785a05837654dfd078ce94d1b8c23402d65dbf90201aac9937cb1df1241cb8d33f08a757235fb0edb26a2bf14a0afafaf0c2dafe4c1
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SSDEEP
98304:dBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCA:WAu+ENnjVyYiVNw45
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/3980-2-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral2/memory/3980-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/3980-49-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1008-52-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/1008-53-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1008-127-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1008-180-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-244-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-261-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-275-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-284-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2872-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2544 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2872 csrss.exe 2848 injector.exe 3304 windefender.exe 4848 windefender.exe -
resource yara_rule behavioral2/files/0x000300000002a9d8-249.dat upx behavioral2/memory/3304-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4848-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4848-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\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 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 -
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 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe File created C:\Windows\rss\csrss.exe 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.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 2444 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 2452 schtasks.exe 3148 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.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\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2004 powershell.exe 2004 powershell.exe 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 776 powershell.exe 776 powershell.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 3208 powershell.exe 3208 powershell.exe 4228 powershell.exe 4228 powershell.exe 4472 powershell.exe 4472 powershell.exe 1840 powershell.exe 1840 powershell.exe 1628 powershell.exe 1628 powershell.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2872 csrss.exe 2872 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2872 csrss.exe 2872 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2872 csrss.exe 2872 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2004 powershell.exe Token: SeDebugPrivilege 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Token: SeImpersonatePrivilege 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe Token: SeDebugPrivilege 776 powershell.exe Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 4228 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeSystemEnvironmentPrivilege 2872 csrss.exe Token: SeSecurityPrivilege 2444 sc.exe Token: SeSecurityPrivilege 2444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3980 wrote to memory of 2004 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 82 PID 3980 wrote to memory of 2004 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 82 PID 3980 wrote to memory of 2004 3980 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 82 PID 1008 wrote to memory of 776 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 89 PID 1008 wrote to memory of 776 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 89 PID 1008 wrote to memory of 776 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 89 PID 1008 wrote to memory of 1588 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 91 PID 1008 wrote to memory of 1588 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 91 PID 1588 wrote to memory of 2544 1588 cmd.exe 93 PID 1588 wrote to memory of 2544 1588 cmd.exe 93 PID 1008 wrote to memory of 3208 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 97 PID 1008 wrote to memory of 3208 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 97 PID 1008 wrote to memory of 3208 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 97 PID 1008 wrote to memory of 4228 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 99 PID 1008 wrote to memory of 4228 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 99 PID 1008 wrote to memory of 4228 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 99 PID 1008 wrote to memory of 2872 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 101 PID 1008 wrote to memory of 2872 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 101 PID 1008 wrote to memory of 2872 1008 5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe 101 PID 2872 wrote to memory of 4472 2872 csrss.exe 102 PID 2872 wrote to memory of 4472 2872 csrss.exe 102 PID 2872 wrote to memory of 4472 2872 csrss.exe 102 PID 2872 wrote to memory of 1840 2872 csrss.exe 108 PID 2872 wrote to memory of 1840 2872 csrss.exe 108 PID 2872 wrote to memory of 1840 2872 csrss.exe 108 PID 2872 wrote to memory of 1628 2872 csrss.exe 110 PID 2872 wrote to memory of 1628 2872 csrss.exe 110 PID 2872 wrote to memory of 1628 2872 csrss.exe 110 PID 2872 wrote to memory of 2848 2872 csrss.exe 112 PID 2872 wrote to memory of 2848 2872 csrss.exe 112 PID 3304 wrote to memory of 1164 3304 windefender.exe 118 PID 3304 wrote to memory of 1164 3304 windefender.exe 118 PID 3304 wrote to memory of 1164 3304 windefender.exe 118 PID 1164 wrote to memory of 2444 1164 cmd.exe 119 PID 1164 wrote to memory of 2444 1164 cmd.exe 119 PID 1164 wrote to memory of 2444 1164 cmd.exe 119 -
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\5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe"C:\Users\Admin\AppData\Local\Temp\5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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C:\Users\Admin\AppData\Local\Temp\5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.exe"C:\Users\Admin\AppData\Local\Temp\5f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f.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:1008 -
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:776
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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:1588 -
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:2544
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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:3208
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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:4228
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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:2872 -
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:4472
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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:2452
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1764
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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:1840
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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:1628
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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:2848
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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:3148
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3304 -
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:1164 -
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:2444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4848
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
MD5b73a940ce11527137eab5a7e234fb863
SHA15af625d03be39e008fcef69a9177b0b00c5d2b94
SHA256561e949da9932f72106b6e3ddadb90f85ca24372067386e27080160da151fccf
SHA512cb86810cef0702130bc3091e82f10e540b5cebbb7b438f27a99f2bd8d5a54329a8566b9cc725730dd4c6b6f042fc7b2ccd035901d9a44507b368954becb18a07
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586e65a792cc0e0ee91ca35fe826cb860
SHA1d7759cd9863aabaec8260757bf7e92ea0a827e77
SHA256d9902b00396a3bfa1d348ae92512a1df97f80721bbfa591730c6b68e6dfe8523
SHA512a4bd5e5edf18b702d347fd31cdba6d50774b86c9ee9eefca9214f3439e49997146f45d1af39aef167c40e89e0165f37f40d8c9c96a085afcd6155548f506ad8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da4ee778db154e638bba61f3cfc6e632
SHA1ebe512eb69b16cf935a297b49a1a18e3d250959d
SHA2564e6b3083dc632b0a5e9d535018e44c017119ef289f18dc0fc8317bf3c8a27da1
SHA512de753075cd615f55e93107afaef487b79ce909539030f7a0019627f039caaf88c716d38f42bad6bf99624d7f4328fc04452df77d7f851d9530b2a9e914a9b9b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf821dfcc0f28828a33ec1fabac8db8e
SHA1b78c57afd6e82f58e25144fcf258e250e05d17a1
SHA2562f3cd302469f73846697e400ff8d398c6a02f4ae9703672850682ea1bce97fd0
SHA51205fa648be4f234db6e0585b68091992694b6d6bbcf72cb6795651626758c630c652c8e65b20aab8fb93984e719155a55e02958d304a5310126d015d5a022e071
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f112e05dbe6f42a8ae1d125d87604d64
SHA11d8aae743bc5a1b80e4da7d4775f5a40d1122bdc
SHA256fb9250bf5c70ef9f46db2d5dce7fa1840ee673a06ab547e111290c5cd9b5bdae
SHA512fef64f1c019b9773f6a3a75e57d5700c1df62923dfa50297c9d908b03f13f0f264554a201d64ff391abd09a13c27eb573d3cede939b507ec2b2ab50073e7c815
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Filesize
4.2MB
MD558633c43f3b196c8d3118a4f91ba3c10
SHA1feb84dbd879d9060f87813fc3e9a71d34b8edaf3
SHA2565f8245c2b540890c254323a6d27ad55b244596b8399e6acf7ad9ea7d9fb56c3f
SHA512086aa9e488095b0c8cc14785a05837654dfd078ce94d1b8c23402d65dbf90201aac9937cb1df1241cb8d33f08a757235fb0edb26a2bf14a0afafaf0c2dafe4c1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec