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Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2023, 18:25
Static task
static1
General
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Target
17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe
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Size
4.1MB
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MD5
e8df96da1a487a80b6f9852c6a3dcad5
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SHA1
945234139cf60cb9ceb6ad30d7bc5d83106527e9
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SHA256
17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f
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SHA512
e38e9af8eb899281688dd376edca517a5e35fef84802354fee3b076089ca5c83a06642f47e87c6466725a77f6140c6cfc3f801d596e5fcad383738e1ce7b15a9
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SSDEEP
49152:TUZy7Eyf2azdni0ZqSPUGU2vCDQfRPXzxzL6NIDMbhZZnT5EsalU8YRdfYCVk2Xp:TUaTzBjv6Q3zebhZR5h8XOySfJNsvp9S
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/5108-1-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral1/memory/5108-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5108-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/5108-24-0x0000000002FB0000-0x000000000389B000-memory.dmp family_glupteba behavioral1/memory/5108-57-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3260-60-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral1/memory/3260-61-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3260-90-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3260-149-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3260-155-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-187-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-250-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-258-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-259-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-260-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-261-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-262-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-263-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-264-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2804-265-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2300 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2804 csrss.exe 4616 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\"" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe File created C:\Windows\rss\csrss.exe 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2100 5108 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5012 schtasks.exe 4680 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,-71 = "Newfoundland Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-652 = "AUS Central Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2531 = "Chatham Islands Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-271 = "Greenwich Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-452 = "Caucasus Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3728 powershell.exe 3728 powershell.exe 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 1284 powershell.exe 1284 powershell.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 2152 powershell.exe 2152 powershell.exe 1656 powershell.exe 1656 powershell.exe 1264 powershell.exe 1264 powershell.exe 2268 powershell.exe 2268 powershell.exe 2312 powershell.exe 2312 powershell.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 2804 csrss.exe 2804 csrss.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 2804 csrss.exe 2804 csrss.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe 4616 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Token: SeImpersonatePrivilege 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe Token: SeDebugPrivilege 1284 powershell.exe Token: SeDebugPrivilege 2152 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeSystemEnvironmentPrivilege 2804 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5108 wrote to memory of 3728 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 93 PID 5108 wrote to memory of 3728 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 93 PID 5108 wrote to memory of 3728 5108 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 93 PID 3260 wrote to memory of 1284 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 102 PID 3260 wrote to memory of 1284 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 102 PID 3260 wrote to memory of 1284 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 102 PID 3260 wrote to memory of 2276 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 104 PID 3260 wrote to memory of 2276 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 104 PID 2276 wrote to memory of 2300 2276 cmd.exe 106 PID 2276 wrote to memory of 2300 2276 cmd.exe 106 PID 3260 wrote to memory of 2152 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 107 PID 3260 wrote to memory of 2152 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 107 PID 3260 wrote to memory of 2152 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 107 PID 3260 wrote to memory of 1656 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 110 PID 3260 wrote to memory of 1656 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 110 PID 3260 wrote to memory of 1656 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 110 PID 3260 wrote to memory of 2804 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 112 PID 3260 wrote to memory of 2804 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 112 PID 3260 wrote to memory of 2804 3260 17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe 112 PID 2804 wrote to memory of 1264 2804 csrss.exe 113 PID 2804 wrote to memory of 1264 2804 csrss.exe 113 PID 2804 wrote to memory of 1264 2804 csrss.exe 113 PID 2804 wrote to memory of 2268 2804 csrss.exe 118 PID 2804 wrote to memory of 2268 2804 csrss.exe 118 PID 2804 wrote to memory of 2268 2804 csrss.exe 118 PID 2804 wrote to memory of 2312 2804 csrss.exe 121 PID 2804 wrote to memory of 2312 2804 csrss.exe 121 PID 2804 wrote to memory of 2312 2804 csrss.exe 121 PID 2804 wrote to memory of 4616 2804 csrss.exe 123 PID 2804 wrote to memory of 4616 2804 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\17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe"C:\Users\Admin\AppData\Local\Temp\17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728
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C:\Users\Admin\AppData\Local\Temp\17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.exe"C:\Users\Admin\AppData\Local\Temp\17d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f.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:3260 -
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:1284
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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:2276 -
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:2300
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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:2152
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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:1656
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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:2804 -
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:1264
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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:5012
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:640
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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:2268
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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:2312
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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:4616
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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:4680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 6442⤵
- Program crash
PID:2100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5108 -ip 51081⤵PID:1900
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e04d4f5a911180f29a8375654ad69909
SHA130de3a37848e0f8ff0aa642f516bb7a43170ff6e
SHA256d6589d05e45701c51032295bd649ba581e4bdac4a6f6affdae592d786a4aec6b
SHA5128132adc18bae53b6c7cd221a033e95d8dd6f068a7336518e395d166e3ca1311e69277b0fb58b1ac9d98c4252f92abadb36342b62d265d49addcdc6ca09d63087
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589fc21284ead47f35f10f4cd250b66fa
SHA1faa0946605b265213fc5f09904e14a77e056e544
SHA2562cffa8bc07f312dc42665278e9bb871ec6f59221048f950a6407fb4b98a7af19
SHA512233061a2d800f9dcc3e80ecfd60a10b58540e633e46e72e5bd7f651379ad978043d5456c7aab9f560750d5f0a48ee752b071328f7854df740dd97d7bb08c936e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59acdb36ccc206c957a241ec83ed6d756
SHA19d1a8a517989bdcb3d82c6407724497b1f2d24fc
SHA2562e55ac8452a773dee667806de12e4ebd4826d9a6db138264bf2622ed97000b3a
SHA5129246b7bce917dd81323eabc6833436d0ec400a4f648ad1be7e7e488bbc974b77d90f815ba0a5266f9b89300e0ee25addcc6fd8fb2413097cf728a8dd02213a57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5067f1be1c20a31f1a4d0a6aa763e8e56
SHA16d12e673b2c8e6a24d5bf657020500a631526449
SHA256ecbdf14b8f6090fc4b6acd6e0eeb74c40a19f158a1005afd57c1ac358bade80d
SHA5127d3cca5cb1e01ad5ae044473a0cdf1631aa7939096d59ef856a5377bf149689a2b268533aa7fa20c12b68ac19be4053578d16e4e401172f18cccf36cf47e415e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d66272039d756b44e83f27ba0f547c53
SHA1871f2d379963d515d1af2df62b8648cfa3ddd7b7
SHA2563b71e17b8d73197e59ce98983e11b7c718330382ae63a6c79257e9d9a2e5d4d2
SHA512f9e73f9958e556691e405115b2f4ca4d2af14456ebf05c528f2c80e1514e1c95c874a8c13ab0e4a6273f920b5e119ad80dbf2443eb79b0a201bcc068fb8a9ad8
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Filesize
4.1MB
MD5e8df96da1a487a80b6f9852c6a3dcad5
SHA1945234139cf60cb9ceb6ad30d7bc5d83106527e9
SHA25617d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f
SHA512e38e9af8eb899281688dd376edca517a5e35fef84802354fee3b076089ca5c83a06642f47e87c6466725a77f6140c6cfc3f801d596e5fcad383738e1ce7b15a9
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Filesize
4.1MB
MD5e8df96da1a487a80b6f9852c6a3dcad5
SHA1945234139cf60cb9ceb6ad30d7bc5d83106527e9
SHA25617d41f999541eb9b7ea543fc765af953b2de226acf6eb24d2f52f039cb8e3e3f
SHA512e38e9af8eb899281688dd376edca517a5e35fef84802354fee3b076089ca5c83a06642f47e87c6466725a77f6140c6cfc3f801d596e5fcad383738e1ce7b15a9