Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:18
Static task
static1
Behavioral task
behavioral1
Sample
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe
Resource
win10v2004-20240426-en
General
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Target
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe
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Size
4.1MB
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MD5
7d314377a736fcc2b713471c87c44f1c
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SHA1
9783c687a5d85e6fcebce65bc2906aa42defd691
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SHA256
11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7
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SHA512
92fb249d19097e056da7d426f0d8e6c12af38a0f9d56037dbd9e20a1bb3c2045460ff63e9d622fc6c979d7782dc8b026247936ff7cfb7ec4597ca99e4acf3a8b
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gm:YC1IraEjIw04m/Xfo4a5yka2Q+gm
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4364-2-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral1/memory/4364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4364-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4364-57-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral1/memory/3368-68-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3368-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-149-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-260-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3604-264-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4508 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3604 csrss.exe 3032 injector.exe 624 windefender.exe 1160 windefender.exe -
resource yara_rule behavioral1/memory/624-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00090000000234ad-227.dat upx behavioral1/memory/624-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1160-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 -
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 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe File created C:\Windows\rss\csrss.exe 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.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 3612 sc.exe -
pid Process 1756 powershell.exe 3236 powershell.exe 2368 powershell.exe 2872 powershell.exe 444 powershell.exe 388 powershell.exe 688 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 5104 schtasks.exe 912 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan 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\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\@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,-2321 = "Sakhalin Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe 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\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.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,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.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\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1756 powershell.exe 1756 powershell.exe 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3236 powershell.exe 3236 powershell.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 2368 powershell.exe 2368 powershell.exe 2872 powershell.exe 2872 powershell.exe 444 powershell.exe 444 powershell.exe 388 powershell.exe 388 powershell.exe 688 powershell.exe 688 powershell.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3604 csrss.exe 3604 csrss.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3604 csrss.exe 3604 csrss.exe 3032 injector.exe 3032 injector.exe 3604 csrss.exe 3604 csrss.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe 3032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1756 powershell.exe Token: SeDebugPrivilege 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Token: SeImpersonatePrivilege 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe Token: SeDebugPrivilege 3236 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 444 powershell.exe Token: SeDebugPrivilege 388 powershell.exe Token: SeDebugPrivilege 688 powershell.exe Token: SeSystemEnvironmentPrivilege 3604 csrss.exe Token: SeSecurityPrivilege 3612 sc.exe Token: SeSecurityPrivilege 3612 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4364 wrote to memory of 1756 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 4364 wrote to memory of 1756 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 4364 wrote to memory of 1756 4364 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 95 PID 3368 wrote to memory of 3236 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 99 PID 3368 wrote to memory of 3236 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 99 PID 3368 wrote to memory of 3236 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 99 PID 3368 wrote to memory of 2236 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 102 PID 3368 wrote to memory of 2236 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 102 PID 2236 wrote to memory of 4508 2236 cmd.exe 104 PID 2236 wrote to memory of 4508 2236 cmd.exe 104 PID 3368 wrote to memory of 2368 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 105 PID 3368 wrote to memory of 2368 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 105 PID 3368 wrote to memory of 2368 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 105 PID 3368 wrote to memory of 2872 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 107 PID 3368 wrote to memory of 2872 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 107 PID 3368 wrote to memory of 2872 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 107 PID 3368 wrote to memory of 3604 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 109 PID 3368 wrote to memory of 3604 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 109 PID 3368 wrote to memory of 3604 3368 11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe 109 PID 3604 wrote to memory of 444 3604 csrss.exe 111 PID 3604 wrote to memory of 444 3604 csrss.exe 111 PID 3604 wrote to memory of 444 3604 csrss.exe 111 PID 3604 wrote to memory of 388 3604 csrss.exe 117 PID 3604 wrote to memory of 388 3604 csrss.exe 117 PID 3604 wrote to memory of 388 3604 csrss.exe 117 PID 3604 wrote to memory of 688 3604 csrss.exe 119 PID 3604 wrote to memory of 688 3604 csrss.exe 119 PID 3604 wrote to memory of 688 3604 csrss.exe 119 PID 3604 wrote to memory of 3032 3604 csrss.exe 121 PID 3604 wrote to memory of 3032 3604 csrss.exe 121 PID 624 wrote to memory of 4808 624 windefender.exe 127 PID 624 wrote to memory of 4808 624 windefender.exe 127 PID 624 wrote to memory of 4808 624 windefender.exe 127 PID 4808 wrote to memory of 3612 4808 cmd.exe 128 PID 4808 wrote to memory of 3612 4808 cmd.exe 128 PID 4808 wrote to memory of 3612 4808 cmd.exe 128 -
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\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1756
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C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.exe"C:\Users\Admin\AppData\Local\Temp\11a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7.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:3368 -
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:3236
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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:2236 -
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:4508
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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:2368
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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:2872
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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:3604 -
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:444
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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:5104
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1164
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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:388
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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:688
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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:3032
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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:912
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:624 -
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:4808 -
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:3612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1160
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53322f66207e3c2492278fc7774579d7b
SHA18021dfbb04bb517cb8dfdb08e4f666b93a7295c4
SHA256c053dd5bc40736c72605b9e1f9bea619bc8d02ef2131525401abac778fe451f8
SHA5129f91987f945450987b5daa98548c5d9edb01715058dbbfaf342983716cd33a0ad0b812e4854895512309931957f462fb5a29bc3ba8344f89b41d905dc08eb999
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57107a29b1e542a0b215141abf1c9b5e8
SHA1106e757864e09cba4fcfddd21bef1cc6f18928ae
SHA2566beb622e7b6462fb62b846e05f55d38811cb4bffee4214925a86046767763b1b
SHA512f4135972b1ac45e64b351c36cabc6f357a84b16ff18c50ce56fd22d5acb3e38df1f09f892923eb1449410b46a9d8a2f18516efbdc730a1d368e6839f6ca3e276
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574953dc9701620fc31e4c4771f4b7255
SHA111c6db92ee94906159eb398c2de68e20cfcc5ceb
SHA256a491842fa1571ea6f0038d488f3a141b60374c0af58edc67005dde8cf944fa01
SHA51274170d37c5ff9ce6a30ba566a0e1977ddb84fdcb11ecd456cafdeb9b6a3ae43b8acf445a573c8e1451d0111a236ebbe5fbd5476b6235830c2d44e2c58661bd6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fa6ba1798ce7a4d9ba3f11f568053b7
SHA1b1ec222131d08c6913ddaa10eeb6f0f71246a1b4
SHA25616790ac52a95f0fb88f3ebd9f79bcaa07d5681dc46b6965f3cd5812c5f41be27
SHA512d1ae24864e2c1978c46a8b1375d780e92a651caf5ea957b6c36971e7049570dc04d478e686356b2ee6876e88aa457142573355f68840e996cbe97ded3328d9a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db32a577ff15d64b3c98d83efa5a00a3
SHA17e8addf39e8be5351b5657bcd6a4ee48ca38163c
SHA2568e785a48d6eb52164848247f9999f67e5ba7bb93eb73356481e0a52e4c5c9a1f
SHA512b1b09449b9e40f587581fbc5e830434bbb5b3c5b194c522732af5c97755e311ede9a8aa74b35f7d2aaaf27bae84279b5b37e582bccdda4f3f68d680f578eca44
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Filesize
4.1MB
MD57d314377a736fcc2b713471c87c44f1c
SHA19783c687a5d85e6fcebce65bc2906aa42defd691
SHA25611a911cc71a8c15de4924ba03c84d1dafad9c23b535107268fb6e210fc46cfd7
SHA51292fb249d19097e056da7d426f0d8e6c12af38a0f9d56037dbd9e20a1bb3c2045460ff63e9d622fc6c979d7782dc8b026247936ff7cfb7ec4597ca99e4acf3a8b
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Filesize
3.6MB
MD51969388dbacca767f429ef13ed09463a
SHA15c16463d8dea20fb5f80b4468d27183312162cd4
SHA25629eccada0679b26c6dc9f4477685de1244882bbaccd5bf5cead8535e23e69bb1
SHA5122178af10352f58a4a92e422d7e4b6c74e083efc2f92116bc3dbd391e486dd0634d432c83a46ed358b5109409708f9c9cfb0909453d97a74e477302df93929775
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec