Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe
Resource
win10v2004-20240508-en
General
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Target
ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe
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Size
4.1MB
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MD5
387fe7531bfac16c30d971892520ba53
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SHA1
d8d12ae258523c625cfc1550b2a96ec7cc39d146
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SHA256
ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e
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SHA512
571cf0da7c5081a2c5088d8586a6c15723f6b3366d29263f3dbb7421a510ff4d260528559faabaf5f005ab03abe5ca02bef6dba7f4863f3f98cd1555a6050898
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SSDEEP
98304:twBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpa:twqoWyv4yANjKQa7oU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4548-2-0x0000000004F00000-0x00000000057EB000-memory.dmp family_glupteba behavioral1/memory/4548-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4548-9-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4548-59-0x0000000004F00000-0x00000000057EB000-memory.dmp family_glupteba behavioral1/memory/4548-58-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4548-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5076-84-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/5076-138-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-152-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-221-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-237-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-240-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-243-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-246-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-249-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-252-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/3808-255-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 336 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3808 csrss.exe 4764 injector.exe 880 windefender.exe 5096 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233e8-225.dat upx behavioral1/memory/880-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/880-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5096-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5096-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe File created C:\Windows\rss\csrss.exe ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3880 sc.exe -
pid Process 448 powershell.exe 4616 powershell.exe 3632 powershell.exe 4188 powershell.exe 2680 powershell.exe 4516 powershell.exe 4164 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2876 schtasks.exe 1300 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.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\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4516 powershell.exe 4516 powershell.exe 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 4164 powershell.exe 4164 powershell.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 448 powershell.exe 448 powershell.exe 4616 powershell.exe 4616 powershell.exe 3632 powershell.exe 3632 powershell.exe 4188 powershell.exe 4188 powershell.exe 2680 powershell.exe 2680 powershell.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 3808 csrss.exe 3808 csrss.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 3808 csrss.exe 3808 csrss.exe 4764 injector.exe 4764 injector.exe 3808 csrss.exe 3808 csrss.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe 4764 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Token: SeImpersonatePrivilege 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeDebugPrivilege 4188 powershell.exe Token: SeDebugPrivilege 2680 powershell.exe Token: SeSystemEnvironmentPrivilege 3808 csrss.exe Token: SeSecurityPrivilege 3880 sc.exe Token: SeSecurityPrivilege 3880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4548 wrote to memory of 4516 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 85 PID 4548 wrote to memory of 4516 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 85 PID 4548 wrote to memory of 4516 4548 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 85 PID 5076 wrote to memory of 4164 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 90 PID 5076 wrote to memory of 4164 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 90 PID 5076 wrote to memory of 4164 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 90 PID 5076 wrote to memory of 784 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 92 PID 5076 wrote to memory of 784 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 92 PID 784 wrote to memory of 336 784 cmd.exe 94 PID 784 wrote to memory of 336 784 cmd.exe 94 PID 5076 wrote to memory of 448 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 96 PID 5076 wrote to memory of 448 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 96 PID 5076 wrote to memory of 448 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 96 PID 5076 wrote to memory of 4616 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 99 PID 5076 wrote to memory of 4616 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 99 PID 5076 wrote to memory of 4616 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 99 PID 5076 wrote to memory of 3808 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 101 PID 5076 wrote to memory of 3808 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 101 PID 5076 wrote to memory of 3808 5076 ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe 101 PID 3808 wrote to memory of 3632 3808 csrss.exe 102 PID 3808 wrote to memory of 3632 3808 csrss.exe 102 PID 3808 wrote to memory of 3632 3808 csrss.exe 102 PID 3808 wrote to memory of 4188 3808 csrss.exe 108 PID 3808 wrote to memory of 4188 3808 csrss.exe 108 PID 3808 wrote to memory of 4188 3808 csrss.exe 108 PID 3808 wrote to memory of 2680 3808 csrss.exe 110 PID 3808 wrote to memory of 2680 3808 csrss.exe 110 PID 3808 wrote to memory of 2680 3808 csrss.exe 110 PID 3808 wrote to memory of 4764 3808 csrss.exe 112 PID 3808 wrote to memory of 4764 3808 csrss.exe 112 PID 880 wrote to memory of 2284 880 windefender.exe 118 PID 880 wrote to memory of 2284 880 windefender.exe 118 PID 880 wrote to memory of 2284 880 windefender.exe 118 PID 2284 wrote to memory of 3880 2284 cmd.exe 119 PID 2284 wrote to memory of 3880 2284 cmd.exe 119 PID 2284 wrote to memory of 3880 2284 cmd.exe 119 -
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\ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe"C:\Users\Admin\AppData\Local\Temp\ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4516
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C:\Users\Admin\AppData\Local\Temp\ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.exe"C:\Users\Admin\AppData\Local\Temp\ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e.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:5076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164
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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:784 -
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:336
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4616
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3632
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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:2876
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3596
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4188
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2680
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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:4764
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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:1300
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5096
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2f96efc2cdc8abdde44da26d1129a10
SHA152b16f1a91e98237be344cbc4321384c8ab51402
SHA256469ebb618e5e51c2ead7c84185babf6843cc9a94ad84d4de047a1381c07c1ee1
SHA5120f5802b99c2816ee64969934734ca5325e7eb060a5115d5ffe78b0522efe3e3c8f3898b1ff65cac800f0dc29ab7a8a1f7637c1346f3f89e1a9e8148d6dccd279
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e20a7c1103b1e987928b8cd404d62466
SHA1b8fd37845085e1783200e96aab040e263b29fd3e
SHA256e0659f7f3f75370a756162052aa87e682600bb304545ca88a1d4b2ec4a81897d
SHA5126fc5ab63d6ab96f9e30172964365eac5765f0753f7a33eb157857d48ab7785a4084b2a1b07c1a575c4949dc6d790214427b2167eb867673418027aa8e36ff90e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3090957482135d8a44b93554e488bde
SHA1b0e3eb47874da306f9f1b6abe76e0ba8726402cb
SHA256a163a041be9c50480e16edee2440bc28e8a4094a15fd583e798442c7bfaaf5f3
SHA5122bf6a05fed5df81e8bff6c1e54bfd13fd48fce689e090e9091019577821376972f75319fe3ec2185bfed102fe649a498cffb48da68ceb3e2d61f7c025d700d76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58e59f186a145d62348a9303ddbf6b926
SHA174b6a2501cf4b85763f5bdbaf8166fe299697b8f
SHA256fcb2ad5d4c0694d964c1fbaeecc17b941fcf271c5754040665f32d38708600b3
SHA51244e4d4c6f8870af60fdc00b54466d4360268bad9b1d539050519b2c06f2972b8400327fa2c353c1064b20e591297a4045c39af1b64f3d3e6b8c2b303c0e1fafa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aaed39d59a7cb868027170e437ca950f
SHA1bc9cfc2344173a882c67aa36d3f33850f29c1394
SHA256b037dc8abf41df9ea326330c5e10d5ac458f0e08426d23526c7e42be09da84cd
SHA512ca30b53e08310c9dd0d12417774ac88a82710bfdcd03a7316c798c1641cebadafac1dbb5101c89926760cdce2b12b09f73d6d05de99ff5d875b2da657d0424f6
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Filesize
4.1MB
MD5387fe7531bfac16c30d971892520ba53
SHA1d8d12ae258523c625cfc1550b2a96ec7cc39d146
SHA256ee2379552dfa15ba3ad43d75425ac00626db3c41cd26b3106f6d26f4d5d5299e
SHA512571cf0da7c5081a2c5088d8586a6c15723f6b3366d29263f3dbb7421a510ff4d260528559faabaf5f005ab03abe5ca02bef6dba7f4863f3f98cd1555a6050898
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec