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Analysis
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max time kernel
149s -
max time network
153s -
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, 05:45
Static task
static1
Behavioral task
behavioral1
Sample
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe
Resource
win10v2004-20240226-en
General
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Target
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe
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Size
4.1MB
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MD5
db0dd57c36bcdc8d1bfb94e81f0986f8
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SHA1
74280e8c422f22dd03ad86b7c84ac4f860dca5a0
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SHA256
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4
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SHA512
53fc402a00b12209df5890ece10cb213d5d73e2b23f7e1059d138996fdeeb073d35cc0cc76403941d8c95097ef68fbd45a5605ece23fccf7ac6e923bc369580c
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SSDEEP
98304:cWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+Y/:cW16ulMesXlnBp/sjruCqmtIOvaY
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4468-2-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/4468-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4468-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4468-54-0x00000000045E0000-0x0000000004ECB000-memory.dmp family_glupteba behavioral2/memory/4468-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/1840-125-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-204-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-212-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-214-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-216-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-218-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-220-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-222-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-224-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-226-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-228-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-230-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/2636-234-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3932 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2636 csrss.exe 2180 injector.exe 4020 windefender.exe 788 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f8-207.dat upx behavioral2/memory/4020-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4020-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/788-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/788-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/788-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe File created C:\Windows\rss\csrss.exe afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe File created 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 544 sc.exe -
pid Process 3484 powershell.exe 4568 powershell.exe 4928 powershell.exe 3912 powershell.exe 4772 powershell.exe 5056 powershell.exe 4836 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 964 schtasks.exe 4648 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,-2392 = "Aleutian Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline 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,-2431 = "Cuba Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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,-341 = "Egypt Daylight 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,-392 = "Arab Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-1822 = "Russia TZ 1 Standard 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" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5056 powershell.exe 5056 powershell.exe 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 4836 powershell.exe 4836 powershell.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 3484 powershell.exe 3484 powershell.exe 4568 powershell.exe 4568 powershell.exe 4928 powershell.exe 4928 powershell.exe 3912 powershell.exe 3912 powershell.exe 4772 powershell.exe 4772 powershell.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2636 csrss.exe 2636 csrss.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2636 csrss.exe 2636 csrss.exe 2180 injector.exe 2180 injector.exe 2636 csrss.exe 2636 csrss.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe 2180 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Token: SeImpersonatePrivilege 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 4928 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeSystemEnvironmentPrivilege 2636 csrss.exe Token: SeSecurityPrivilege 544 sc.exe Token: SeSecurityPrivilege 544 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4468 wrote to memory of 5056 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 81 PID 4468 wrote to memory of 5056 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 81 PID 4468 wrote to memory of 5056 4468 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 81 PID 1840 wrote to memory of 4836 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 86 PID 1840 wrote to memory of 4836 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 86 PID 1840 wrote to memory of 4836 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 86 PID 1840 wrote to memory of 2904 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 88 PID 1840 wrote to memory of 2904 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 88 PID 2904 wrote to memory of 3932 2904 cmd.exe 90 PID 2904 wrote to memory of 3932 2904 cmd.exe 90 PID 1840 wrote to memory of 3484 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 1840 wrote to memory of 3484 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 1840 wrote to memory of 3484 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 1840 wrote to memory of 4568 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 93 PID 1840 wrote to memory of 4568 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 93 PID 1840 wrote to memory of 4568 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 93 PID 1840 wrote to memory of 2636 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 95 PID 1840 wrote to memory of 2636 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 95 PID 1840 wrote to memory of 2636 1840 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 95 PID 2636 wrote to memory of 4928 2636 csrss.exe 96 PID 2636 wrote to memory of 4928 2636 csrss.exe 96 PID 2636 wrote to memory of 4928 2636 csrss.exe 96 PID 2636 wrote to memory of 3912 2636 csrss.exe 102 PID 2636 wrote to memory of 3912 2636 csrss.exe 102 PID 2636 wrote to memory of 3912 2636 csrss.exe 102 PID 2636 wrote to memory of 4772 2636 csrss.exe 104 PID 2636 wrote to memory of 4772 2636 csrss.exe 104 PID 2636 wrote to memory of 4772 2636 csrss.exe 104 PID 2636 wrote to memory of 2180 2636 csrss.exe 106 PID 2636 wrote to memory of 2180 2636 csrss.exe 106 PID 4020 wrote to memory of 4652 4020 windefender.exe 112 PID 4020 wrote to memory of 4652 4020 windefender.exe 112 PID 4020 wrote to memory of 4652 4020 windefender.exe 112 PID 4652 wrote to memory of 544 4652 cmd.exe 113 PID 4652 wrote to memory of 544 4652 cmd.exe 113 PID 4652 wrote to memory of 544 4652 cmd.exe 113 -
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\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056
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C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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:1840 -
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:4836
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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:2904 -
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:3932
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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:3484
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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:4568
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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:2636 -
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:4928
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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:964
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1120
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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:3912
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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:4772
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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:2180
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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:4648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4020 -
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:4652 -
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:544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:788
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
MD5a97117c22a2e1727c7ee764866cba914
SHA18874c63ebf3871567cacbfaac4aa6cb15bd4e2a9
SHA2566c76008352a09cb0a8a62373fd0eb1d71fa2550fcddc0731300504ddddfd8f5f
SHA51273836b53fddf9c45939c70050cf91f1951aee12bd9c2d8968fb45edbfbaf78112ac4f15d80effd169a23e571e88a41b24e7c1eadf9f4302b11a8ade9686fcffe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a403f5fc1d03fc65ee50b096e6eed000
SHA1c78fcedf58aa04e8f8e0fa0185d0efb52202c1aa
SHA2568c9125db350a354b1fc43f7516cd4e7531d4287d9aed13b04edd364669e020dd
SHA512fac70f6d0689a9ccd838c51c10776688a28a7a8cdf9764a4a054918c992303764e44316cd618ca8e02f8996851e44592886b4578da2db12d1f0bf97ef0e18d2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e126df2e3b71b6995d7c3128525a25c3
SHA1f4142f64dfbe32b2ce7b002906557655c2d03f1e
SHA256cd0cb0efe6e8f061dc293c037e679caf3a431005075c395c7d8688504801c3fb
SHA5122c35fcf6013e337b780033dcc2a8f2d01dcaf1af36c1764a3d4a473bf2a692514c5993681591ef50c8089f6a2f03bf3ee889ac9a6bfc49732867c788cba251fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557c6c0d1119c26e07f92bb41ecd7c516
SHA16e8a60275ffcfc4012218c21ec8a8816306289f2
SHA2568c8bf1a6116b1bb03858199c7ce2ce53f5502c9bb48e172d626e8d8d21549547
SHA512858d19ed5068ae3f16032e5ba3dab8fbc51b2c554ace2b8835e8636dbaffa7b16db86eeb6c7605ab7c80b0a23d75c9e2b597d4629ca47687b18d191381abdbbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9f4a2148517500ad91edac668f96308
SHA1eb30e9ce0173dc53b7420429f51fce7ff5c78f64
SHA2568d9c296191333307a39a2d040335f45269c5e033d7e66dce3a697cffeb755a68
SHA5125e0e083c2621d13b77f5c37a690c7fd8c63729c473645c37ea7e2811ca920f424244f9b234db700f6e118d2a9846adce53fdfbf8a1168c6151f613f3677334f0
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Filesize
4.1MB
MD5db0dd57c36bcdc8d1bfb94e81f0986f8
SHA174280e8c422f22dd03ad86b7c84ac4f860dca5a0
SHA256afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4
SHA51253fc402a00b12209df5890ece10cb213d5d73e2b23f7e1059d138996fdeeb073d35cc0cc76403941d8c95097ef68fbd45a5605ece23fccf7ac6e923bc369580c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec