Analysis
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max time kernel
149s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/04/2024, 07:37
Static task
static1
Behavioral task
behavioral1
Sample
be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe
Resource
win10v2004-20231215-en
General
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Target
be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe
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Size
4.1MB
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MD5
de90b5477a4ebd51e3768deef87a27db
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SHA1
7bef22c77a0fece3999c6841b31f04c854ad970e
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SHA256
be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a
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SHA512
fca1629aaa8710f4ae75d918742366f0d5e1232757988051f7fb7db8ec740ec3011604a80880b731381a1540351d1537e9c7502c5dad2cbca5bdcd0d19c67075
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SSDEEP
98304:8+xPJd9BxpmU6KC2F8diVNZ4PHgUpnjn9P9twnH8hSx5:hDBSKtFjVeH3pTR9CxP
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4868-2-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4868-3-0x0000000002F90000-0x000000000387B000-memory.dmp family_glupteba behavioral2/memory/5116-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4868-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5116-111-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5116-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5116-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1500-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1500 csrss.exe 4852 injector.exe 2456 windefender.exe 2112 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7f1-248.dat upx behavioral2/memory/2456-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2112-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2112-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 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 -
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 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.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 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe File created C:\Windows\rss\csrss.exe be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.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 388 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1868 schtasks.exe 4820 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.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\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4312 powershell.exe 4312 powershell.exe 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 3532 powershell.exe 3532 powershell.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 2536 powershell.exe 2536 powershell.exe 572 powershell.exe 572 powershell.exe 2580 powershell.exe 2580 powershell.exe 3848 powershell.exe 3848 powershell.exe 1096 powershell.exe 1096 powershell.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 1500 csrss.exe 1500 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 1500 csrss.exe 1500 csrss.exe 4852 injector.exe 4852 injector.exe 1500 csrss.exe 1500 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Token: SeImpersonatePrivilege 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 572 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeSystemEnvironmentPrivilege 1500 csrss.exe Token: SeSecurityPrivilege 388 sc.exe Token: SeSecurityPrivilege 388 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4312 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 79 PID 4868 wrote to memory of 4312 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 79 PID 4868 wrote to memory of 4312 4868 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 79 PID 5116 wrote to memory of 3532 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 84 PID 5116 wrote to memory of 3532 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 84 PID 5116 wrote to memory of 3532 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 84 PID 5116 wrote to memory of 1528 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 86 PID 5116 wrote to memory of 1528 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 86 PID 1528 wrote to memory of 2920 1528 cmd.exe 88 PID 1528 wrote to memory of 2920 1528 cmd.exe 88 PID 5116 wrote to memory of 2536 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 89 PID 5116 wrote to memory of 2536 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 89 PID 5116 wrote to memory of 2536 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 89 PID 5116 wrote to memory of 572 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 91 PID 5116 wrote to memory of 572 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 91 PID 5116 wrote to memory of 572 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 91 PID 5116 wrote to memory of 1500 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 93 PID 5116 wrote to memory of 1500 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 93 PID 5116 wrote to memory of 1500 5116 be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe 93 PID 1500 wrote to memory of 2580 1500 csrss.exe 94 PID 1500 wrote to memory of 2580 1500 csrss.exe 94 PID 1500 wrote to memory of 2580 1500 csrss.exe 94 PID 1500 wrote to memory of 3848 1500 csrss.exe 100 PID 1500 wrote to memory of 3848 1500 csrss.exe 100 PID 1500 wrote to memory of 3848 1500 csrss.exe 100 PID 1500 wrote to memory of 1096 1500 csrss.exe 102 PID 1500 wrote to memory of 1096 1500 csrss.exe 102 PID 1500 wrote to memory of 1096 1500 csrss.exe 102 PID 1500 wrote to memory of 4852 1500 csrss.exe 104 PID 1500 wrote to memory of 4852 1500 csrss.exe 104 PID 2456 wrote to memory of 2120 2456 windefender.exe 110 PID 2456 wrote to memory of 2120 2456 windefender.exe 110 PID 2456 wrote to memory of 2120 2456 windefender.exe 110 PID 2120 wrote to memory of 388 2120 cmd.exe 111 PID 2120 wrote to memory of 388 2120 cmd.exe 111 PID 2120 wrote to memory of 388 2120 cmd.exe 111 -
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\be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe"C:\Users\Admin\AppData\Local\Temp\be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4312
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C:\Users\Admin\AppData\Local\Temp\be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.exe"C:\Users\Admin\AppData\Local\Temp\be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a.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:5116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532
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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:1528 -
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:2920
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2536
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572
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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:1500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580
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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:1868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1256
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3848
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096
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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:4852
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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:4820
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2456 -
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:2120 -
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:388
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2112
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580618101000af564ffa9a9e31c2381db
SHA1ea4eee24fbd78856248932e24e332e6c61ff4e65
SHA256ea8858582ed00de7fd8f982a7932563c54b66bd93f24d7d97fbf06e391b0eaed
SHA5121a7d10d102504964cd7c2d9751e98aa7f0a4e65096bc783e68a6ce6f0e7b5c65dbc0fbdd82b05152703ff9c15b42fb30dfcb618dc7f00f74916b35bc8b06ad33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f1c8c2b19ccf3bc57044ae1f6661c70
SHA126c8f0d2b3d8fae83aaee4915acb2a9420b1df35
SHA256e8f6f424c50671d5f0cc47ace698a16e5cce3dd588bee74070ac2b512588e74e
SHA512de923fdaf6e6037687236ead13e6c488ad80e1609b02b31d261c91ad20a8c8c66c2f172ca2cd16b6d84aa923ef895cd60151387147d7d593a7e97beaf5423c7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577e33fd99bb107269f19a47c41a067d5
SHA1b1c7b915b04b621cb50a2849639abb7970b030a7
SHA2562792cd21c2e39e564ad2063cde8733505f1d19e9ebdcd12d2e5d7857106c6ce4
SHA51297add7b285bb29598a16d9c95ac6f9a02e0de4d6d60fe62b1c0ac0420a29ce2eff4c749c8a8e2277d76ed5dab1fe8fe61d4c8a3ee92201cfd175d6312b0dcf52
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517c18c8337beca5d0b2c06c9f9526eaf
SHA1106bf5861d89ddb6aac8a6082933a03219ad89ea
SHA256a9e9c984b6d4f76b09391637eaecad055b7564ef91d7c7306f482d6b6533d2f0
SHA5126753526f750a6052360304b5045f6568afc788acccb7246ecae3bb710b8781b86d224772f32fd48145e98d20c162ad14f2f37936eec3939d3038d9f422d95234
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5696808f250202865a2020825a289b0a7
SHA19a2e1387212d6d554d697b3e5056fc22e9b90c45
SHA25684d0ac683b5f112e0387a35e48b674560f5beaacb5ea4b44ae3b75040c5241ac
SHA51291ff077d222b20382251479fdb131d73cbac2e2a32ef79502c415ab0e32fe6dd8a4741cbd428c9b2d2043ae1100a4062acb462826a45af9e149642fbb9f469ab
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Filesize
4.1MB
MD5de90b5477a4ebd51e3768deef87a27db
SHA17bef22c77a0fece3999c6841b31f04c854ad970e
SHA256be37b42deea327f144e695e2ebf6d52414ba894ad91e30f8582a5ab77811012a
SHA512fca1629aaa8710f4ae75d918742366f0d5e1232757988051f7fb7db8ec740ec3011604a80880b731381a1540351d1537e9c7502c5dad2cbca5bdcd0d19c67075
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec