Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 08:56
Static task
static1
Behavioral task
behavioral1
Sample
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe
Resource
win10v2004-20240508-en
General
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Target
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe
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Size
4.1MB
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MD5
7e8c5b374b410c597095c3cae7c96514
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SHA1
4be48ec997f0fa9b212f69028a73c3892c5923e7
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SHA256
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7
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SHA512
64da2af5667f3d851bb389074a28b8dc57432d80d582f5552d0524192342efe8b6560446c6f4e864ebedfa1a37798b3ae89d9206b14b510f32c06663cad15ef1
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1p:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Np
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2540-2-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/2540-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2540-54-0x0000000004670000-0x0000000004F5B000-memory.dmp family_glupteba behavioral2/memory/2540-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2540-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3520-124-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-203-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-213-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-215-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-217-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-221-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-223-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-225-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-227-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-229-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-231-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-233-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/2956-235-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 696 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2956 csrss.exe 3728 injector.exe 1412 windefender.exe 4712 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa22-206.dat upx behavioral2/memory/1412-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4712-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1412-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4712-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4712-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe File created C:\Windows\rss\csrss.exe 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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 244 sc.exe -
pid Process 5040 powershell.exe 1244 powershell.exe 4740 powershell.exe 4112 powershell.exe 2784 powershell.exe 1576 powershell.exe 4908 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 2960 schtasks.exe 1296 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe 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\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5040 powershell.exe 5040 powershell.exe 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1244 powershell.exe 1244 powershell.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 4740 powershell.exe 4740 powershell.exe 4112 powershell.exe 4112 powershell.exe 2784 powershell.exe 2784 powershell.exe 1576 powershell.exe 1576 powershell.exe 4908 powershell.exe 4908 powershell.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 2956 csrss.exe 2956 csrss.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 2956 csrss.exe 2956 csrss.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 2956 csrss.exe 2956 csrss.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe 3728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Token: SeImpersonatePrivilege 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Token: SeDebugPrivilege 1244 powershell.exe Token: SeDebugPrivilege 4740 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 2784 powershell.exe Token: SeDebugPrivilege 1576 powershell.exe Token: SeDebugPrivilege 4908 powershell.exe Token: SeSystemEnvironmentPrivilege 2956 csrss.exe Token: SeSecurityPrivilege 244 sc.exe Token: SeSecurityPrivilege 244 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2540 wrote to memory of 5040 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 83 PID 2540 wrote to memory of 5040 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 83 PID 2540 wrote to memory of 5040 2540 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 83 PID 3520 wrote to memory of 1244 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 88 PID 3520 wrote to memory of 1244 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 88 PID 3520 wrote to memory of 1244 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 88 PID 3520 wrote to memory of 2752 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 90 PID 3520 wrote to memory of 2752 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 90 PID 2752 wrote to memory of 696 2752 cmd.exe 92 PID 2752 wrote to memory of 696 2752 cmd.exe 92 PID 3520 wrote to memory of 4740 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 3520 wrote to memory of 4740 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 3520 wrote to memory of 4740 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 3520 wrote to memory of 4112 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 95 PID 3520 wrote to memory of 4112 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 95 PID 3520 wrote to memory of 4112 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 95 PID 3520 wrote to memory of 2956 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 97 PID 3520 wrote to memory of 2956 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 97 PID 3520 wrote to memory of 2956 3520 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 97 PID 2956 wrote to memory of 2784 2956 csrss.exe 98 PID 2956 wrote to memory of 2784 2956 csrss.exe 98 PID 2956 wrote to memory of 2784 2956 csrss.exe 98 PID 2956 wrote to memory of 1576 2956 csrss.exe 104 PID 2956 wrote to memory of 1576 2956 csrss.exe 104 PID 2956 wrote to memory of 1576 2956 csrss.exe 104 PID 2956 wrote to memory of 4908 2956 csrss.exe 106 PID 2956 wrote to memory of 4908 2956 csrss.exe 106 PID 2956 wrote to memory of 4908 2956 csrss.exe 106 PID 2956 wrote to memory of 3728 2956 csrss.exe 108 PID 2956 wrote to memory of 3728 2956 csrss.exe 108 PID 1412 wrote to memory of 3800 1412 windefender.exe 114 PID 1412 wrote to memory of 3800 1412 windefender.exe 114 PID 1412 wrote to memory of 3800 1412 windefender.exe 114 PID 3800 wrote to memory of 244 3800 cmd.exe 115 PID 3800 wrote to memory of 244 3800 cmd.exe 115 PID 3800 wrote to memory of 244 3800 cmd.exe 115 -
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\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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:3520 -
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:1244
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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:2752 -
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:696
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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:4740
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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:4112
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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:2956 -
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:2784
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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:2960
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1380
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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:1576
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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:4908
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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:3728
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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:1296
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1412 -
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:3800 -
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:244
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4712
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
MD552340885baf222270c8c54f47ffee88d
SHA12219ab23923490f8f3fee3128e00703b5d5489d6
SHA256815574cacd03ca52b994d89092f4464f2c1606e2318bb838a59fb5f820b368a0
SHA512df84f13548fe16589ae75aed108b8da38c06dc6cdeeaea5627eb348dcfab00f5ae664ae2ecd03a157c70daa81f14a06183ae249e44e7ac053580d094a2e9b6de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddc9697bcea7d675870518634d41aec3
SHA18fc4782234232fdbd9a2e3bcad585332474ae3d6
SHA256ffa081370a0322976254a7b4cfa46253e8fe13e34527d91a8a7f4542eed78b6d
SHA512e635b23a331e5860101e28f6a343cba98df545396398152b196c35be8a62fbdd9a3ad4ef6fbe619b0ff58d5877bd5ca4b7d8fbbe143abf464e0028d380067a72
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e43ca7f557405066f80eed5226f9ff4
SHA19a0e6874a56254666c1ad37be1ac1e89361e3f9c
SHA256cf67db59df1567bf1594d79cef123801a084fecac65c29d7a9650a212dccd197
SHA51239cdbe4e833fe7ed3f1636fd88151b9534c59673a51d8555a2f32647d0f95adde9ef164d71e52def88b6f4528bb548864071d5d67785ce66219a67496b7162a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7c7f2f68d974e158886e15ac2c22110
SHA1d87cc750e463670df9e87ffbe4eaee2c7d7f2fb1
SHA256e80631d709f31d48b8fd33184f15df24beb82367d60940ecb0957e1f924975cd
SHA512f11e16cf73c3652bc8062bb6fc807d2058807368d57cdf0835ea1b55bd599dfd161601885a57dff142ede3154ffce5e245486fadd396255581054978e731795d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55400231fd35c0aad530b504f991d21ec
SHA115f57d2be40243e7a835d35f3ea6bb5e2caf363e
SHA2568619ea23cba97fef49aa44a07344aecb0bfefcd494fdc779690da53285effc58
SHA5129ab16e9ddf57b3259d8b40bc16f3851140448c62ac39e837a1e88082efbc25644bc0fbbe43cd39ce6c8d2abf3e037d87456e3bfa6f13aeae454ee13af5ebbbef
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Filesize
4.1MB
MD57e8c5b374b410c597095c3cae7c96514
SHA14be48ec997f0fa9b212f69028a73c3892c5923e7
SHA25652a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7
SHA51264da2af5667f3d851bb389074a28b8dc57432d80d582f5552d0524192342efe8b6560446c6f4e864ebedfa1a37798b3ae89d9206b14b510f32c06663cad15ef1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec