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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2023, 06:38
Static task
static1
General
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Target
16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe
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Size
4.1MB
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MD5
f41d826adcb93d3750ae151130026ea2
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SHA1
9be1be18971359197bf6d44814b44de83b612a11
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SHA256
16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54
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SHA512
96fcce2ace4abdb0803d3c727a9d5a2084baad0c9b8f644f199741efb257605fccbe1b6fa82cf90a31fce318b0c03588ae1c21bcdc07f32c9049451062009137
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SSDEEP
98304:exyqmIPxyeIJ0Xdspm0fNqnvHGWrGOf5DT:ecqtoeIJGdsI0fMjqOxv
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/4980-1-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/4980-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4980-21-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4980-26-0x0000000002F30000-0x000000000381B000-memory.dmp family_glupteba behavioral1/memory/4980-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-60-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/3068-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-74-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-95-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-136-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-157-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-186-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-250-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-260-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-266-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-278-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3132-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 628 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3132 csrss.exe 3828 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\"" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.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 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 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 -
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 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe File opened for modification C:\Windows\rss 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.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 2468 schtasks.exe 4640 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-2531 = "Chatham Islands Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-241 = "Samoa Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.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\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\Disallowed\CRLs 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" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4564 powershell.exe 4564 powershell.exe 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 4184 powershell.exe 4184 powershell.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 2576 powershell.exe 2576 powershell.exe 1420 powershell.exe 1420 powershell.exe 3344 powershell.exe 3344 powershell.exe 1524 powershell.exe 1524 powershell.exe 3712 powershell.exe 3712 powershell.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3132 csrss.exe 3132 csrss.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3132 csrss.exe 3132 csrss.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe 3828 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Token: SeImpersonatePrivilege 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeDebugPrivilege 2576 powershell.exe Token: SeDebugPrivilege 1420 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 3712 powershell.exe Token: SeSystemEnvironmentPrivilege 3132 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4980 wrote to memory of 4564 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 93 PID 4980 wrote to memory of 4564 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 93 PID 4980 wrote to memory of 4564 4980 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 93 PID 3068 wrote to memory of 4184 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 99 PID 3068 wrote to memory of 4184 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 99 PID 3068 wrote to memory of 4184 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 99 PID 3068 wrote to memory of 2360 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 102 PID 3068 wrote to memory of 2360 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 102 PID 2360 wrote to memory of 628 2360 cmd.exe 104 PID 2360 wrote to memory of 628 2360 cmd.exe 104 PID 3068 wrote to memory of 2576 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 105 PID 3068 wrote to memory of 2576 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 105 PID 3068 wrote to memory of 2576 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 105 PID 3068 wrote to memory of 1420 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 108 PID 3068 wrote to memory of 1420 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 108 PID 3068 wrote to memory of 1420 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 108 PID 3068 wrote to memory of 3132 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 110 PID 3068 wrote to memory of 3132 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 110 PID 3068 wrote to memory of 3132 3068 16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe 110 PID 3132 wrote to memory of 3344 3132 csrss.exe 111 PID 3132 wrote to memory of 3344 3132 csrss.exe 111 PID 3132 wrote to memory of 3344 3132 csrss.exe 111 PID 3132 wrote to memory of 1524 3132 csrss.exe 116 PID 3132 wrote to memory of 1524 3132 csrss.exe 116 PID 3132 wrote to memory of 1524 3132 csrss.exe 116 PID 3132 wrote to memory of 3712 3132 csrss.exe 119 PID 3132 wrote to memory of 3712 3132 csrss.exe 119 PID 3132 wrote to memory of 3712 3132 csrss.exe 119 PID 3132 wrote to memory of 3828 3132 csrss.exe 121 PID 3132 wrote to memory of 3828 3132 csrss.exe 121 -
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\16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe"C:\Users\Admin\AppData\Local\Temp\16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4564
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C:\Users\Admin\AppData\Local\Temp\16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.exe"C:\Users\Admin\AppData\Local\Temp\16d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54.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:3068 -
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:4184
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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:2360 -
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:628
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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:2576
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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:1420
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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:3132 -
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:3344
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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:2468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4560
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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:1524
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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:3712
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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:3828
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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:4640
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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
MD564a03fa20b57575e82eb87133be689b7
SHA120107fb8466223de955f8141c2bfabc4be887178
SHA25664d035b45018d4db20124a5bceae9bd400036237beab5d0e18e9c02f7e5f398f
SHA512b38e88cb19bdc3750b052ec82291c862e1d962fab5362ed883dfe4c24d4bbb167fc9c6da1e3fe689377cf69d78527b272f5f4cd96683d47ae829273b4b5ad76a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe0b0fe61a9b724ad855b9e195d51a42
SHA1e240ba7374be19ed9173871f39b9eaf2aa1d1d69
SHA25642bfddbf5ba0ddfd2adc55b47687dba28377b124bb4baa561b766f905b4d0c7c
SHA51273b6ebbb17d111f7df4d8063c02189ec0b2860ab06c1359237010d5d6cc2796b60c6c99fff22a8827e9c8c7c3fca13fb150c327f73d1244593936234134bb131
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54387cedc75a704c708a9d1bba95a6b5d
SHA10dd2358ad105337fe528fc86f35d5cedc0ecf96f
SHA25644a1c2e3495e823a2438c39a0568f411b604dbe3cb716b794145693540d323dc
SHA51214fcd4da4746ba16189b508db47a78aa8729d6f095e4330b6c5eb65533f8700c2b52db30d5951d91f945a146ac45d1b21b7f38f08869fda35adcd804a473558d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ec4f4c57c3603d655302506f3a8e44c
SHA1509374db98f6bea3fcf368e4678cd9ef45f25ea3
SHA2565566412e0cfd333d05e0b4efeb49a89b1caac39e17fe42d30727c68702bd30b5
SHA5126beea1c36f7cc0975811924598633962a167fedad5dc03c370a1d653722c56b67c8ff814a25c23b5387290dbe83b5229763e6880950e49abf638a69ebc5b8590
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59440068e29e6bc6049c97d24b36333a4
SHA1464d70c4c5bb5cc7f8cf8bbefbf5cdd4a349526a
SHA25634626b2dc30cbb8961e4d67a4ee346d04b6a8a2146380649ecbc7ec7513f9c31
SHA512af3a6505b49c2db5a7770e5771e6fe8ce72796a52e9a935034f768ddb4cdb468f014a0505e4e658d69d0570cdcda0c940e670b60906032ab0815a8805112603a
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Filesize
4.1MB
MD5f41d826adcb93d3750ae151130026ea2
SHA19be1be18971359197bf6d44814b44de83b612a11
SHA25616d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54
SHA51296fcce2ace4abdb0803d3c727a9d5a2084baad0c9b8f644f199741efb257605fccbe1b6fa82cf90a31fce318b0c03588ae1c21bcdc07f32c9049451062009137
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Filesize
4.1MB
MD5f41d826adcb93d3750ae151130026ea2
SHA19be1be18971359197bf6d44814b44de83b612a11
SHA25616d5e8b819218fd8b7f19a4ec540b5fa1912af9fa11799ec8962bbf70d5d1a54
SHA51296fcce2ace4abdb0803d3c727a9d5a2084baad0c9b8f644f199741efb257605fccbe1b6fa82cf90a31fce318b0c03588ae1c21bcdc07f32c9049451062009137