Analysis
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max time kernel
166s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2023, 01:52
Static task
static1
General
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Target
a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe
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Size
4.1MB
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MD5
394152a57657c0bde3eb20a997d18d30
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SHA1
5bab818ae5295423a8131f19072c03bf8baa5171
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SHA256
a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8
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SHA512
3b5c826bb07a12f92aad62ce336e6578e9004dd03042b4f462fb31e25f18e1cee81159ec616fe647e55afb212c302f104cd17e92f76fafe43f16c451ae611e68
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SSDEEP
98304:DOd3sthAcDwT4/1Fur5ufQiZe2wtO6aKZfS4/DEHReGvNis:DDthnwT4/fw5m14thhAhHRea5
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1524-2-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/1524-3-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1524-9-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/1524-23-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1524-56-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/1524-58-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-60-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-75-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-96-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-101-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-103-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2084-164-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-232-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-267-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-268-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-269-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-270-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-271-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2268-272-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1716 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2268 csrss.exe 244 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe File created C:\Windows\rss\csrss.exe a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4388 2084 WerFault.exe 100 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2716 schtasks.exe 1996 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 1916 powershell.exe 1916 powershell.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 4996 powershell.exe 4996 powershell.exe 3960 powershell.exe 3960 powershell.exe 1524 powershell.exe 1524 powershell.exe 4924 powershell.exe 4924 powershell.exe 3920 powershell.exe 3920 powershell.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 2268 csrss.exe 2268 csrss.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 2268 csrss.exe 2268 csrss.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe 244 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Token: SeImpersonatePrivilege 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeSystemEnvironmentPrivilege 2268 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1524 wrote to memory of 4324 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 89 PID 1524 wrote to memory of 4324 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 89 PID 1524 wrote to memory of 4324 1524 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 89 PID 2084 wrote to memory of 1916 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 101 PID 2084 wrote to memory of 1916 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 101 PID 2084 wrote to memory of 1916 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 101 PID 2084 wrote to memory of 4540 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 103 PID 2084 wrote to memory of 4540 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 103 PID 4540 wrote to memory of 1716 4540 cmd.exe 105 PID 4540 wrote to memory of 1716 4540 cmd.exe 105 PID 2084 wrote to memory of 4996 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 106 PID 2084 wrote to memory of 4996 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 106 PID 2084 wrote to memory of 4996 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 106 PID 2084 wrote to memory of 3960 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 108 PID 2084 wrote to memory of 3960 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 108 PID 2084 wrote to memory of 3960 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 108 PID 2084 wrote to memory of 2268 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 110 PID 2084 wrote to memory of 2268 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 110 PID 2084 wrote to memory of 2268 2084 a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe 110 PID 2268 wrote to memory of 1524 2268 csrss.exe 113 PID 2268 wrote to memory of 1524 2268 csrss.exe 113 PID 2268 wrote to memory of 1524 2268 csrss.exe 113 PID 2268 wrote to memory of 4924 2268 csrss.exe 119 PID 2268 wrote to memory of 4924 2268 csrss.exe 119 PID 2268 wrote to memory of 4924 2268 csrss.exe 119 PID 2268 wrote to memory of 3920 2268 csrss.exe 121 PID 2268 wrote to memory of 3920 2268 csrss.exe 121 PID 2268 wrote to memory of 3920 2268 csrss.exe 121 PID 2268 wrote to memory of 244 2268 csrss.exe 123 PID 2268 wrote to memory of 244 2268 csrss.exe 123 -
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\a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe"C:\Users\Admin\AppData\Local\Temp\a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.exe"C:\Users\Admin\AppData\Local\Temp\a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8.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:2084 -
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:1916
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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:4540 -
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:1716
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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:4996
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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:3960
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268 -
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:1524
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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:2716
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4808
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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:4924
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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:3920
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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:244
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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:1996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 7603⤵
- Program crash
PID:4388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2084 -ip 20841⤵PID:3276
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
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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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
MD53849bed4ef7f784b0c7679dae0777828
SHA1b4419235f4efa009b0f8b36e51d608e9fcdd3c20
SHA2565ddbc9dd361a70a1b35e35fb1f6336fdd3e02292de24f6b59395966e323d50ad
SHA512d471bb52d76b3510ea91dafefcfef4a48e01c40246d3963ba2eceb67d2aabe3fa03fa9820309e971f074e5bafb3b28a4f41e56e2c4d7e6022279b37476432242
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594aceafc9cb5848c94c80d9831d49424
SHA1325af706824d367b27d67c2022a04ac1699fbe07
SHA2562ff318ee6745270f711d976d81165ccd36bc40fe8fc183f9b30e13fbf436aa5f
SHA5126c0b18050ff0fd39a19ad44c89514468e94beda7431055b4d9c7204f75c1a941068c99ad7c5619399b43226d4c8a2110a261061c9e41462012617c31c4737d56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c61c748888ff8c579ce4d257a9e9c1c
SHA18db185da1936581feda71fddbf0ceed23182a972
SHA256215ce3dc60fcaa31d9238c76042fdedf05a8a075c50500ac1702ece7d0b3a046
SHA51216167b5b65558dfaceb821ca2912f5727223fbd47421adc75f0a2f2567827768a886890cf7c3061c254ca32b5e9603ee7a56823ffd17077fd50b18a7a06734c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566ccf11442f5ae3a55d0701a5c96705b
SHA1589db4e8e6ebeb6fec739a7d3cbec58c528d9eb4
SHA2563b7faa80dce81b75a079544bf1ccd362de1c7a93017bea7edd4059c54cb9c1f6
SHA5129f2736117a36850662cfd086b172e19658de1d3b86d9458867f953ffe704ffc0b8cdb36f77d79fe8e4b8a9c52a4862fb2232562625a69dbe90f891372e4b9711
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5037ae24b429102b971f3e0c24d590a63
SHA1d5eed53e8d8fbadacddfe5379d0d2c554a9b20c4
SHA256dc982ac434aee29fd272cf53b0ff4d922dbe6def8d83db9704b82dc0ad210e6b
SHA5128c8ac58ba5572eeebdb5a6734b96006ba8c397fc922fe74a1c0a2e85f9c2696a857b11f1da585d26c514b44818c5e5672d0f9acae763df84aa3dac4ba71e1041
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Filesize
4.1MB
MD5394152a57657c0bde3eb20a997d18d30
SHA15bab818ae5295423a8131f19072c03bf8baa5171
SHA256a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8
SHA5123b5c826bb07a12f92aad62ce336e6578e9004dd03042b4f462fb31e25f18e1cee81159ec616fe647e55afb212c302f104cd17e92f76fafe43f16c451ae611e68
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Filesize
4.1MB
MD5394152a57657c0bde3eb20a997d18d30
SHA15bab818ae5295423a8131f19072c03bf8baa5171
SHA256a2e2fe0fdc279cdec6311b3eebb0c732878baea92ed32be648a30b00a936b2f8
SHA5123b5c826bb07a12f92aad62ce336e6578e9004dd03042b4f462fb31e25f18e1cee81159ec616fe647e55afb212c302f104cd17e92f76fafe43f16c451ae611e68