Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/04/2024, 20:22
Static task
static1
Behavioral task
behavioral1
Sample
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe
Resource
win10v2004-20240412-en
General
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Target
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe
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Size
4.2MB
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MD5
0e54f6c95aa3783069b0810bcb5964c9
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SHA1
f4ca6805974977f1a3e2a2d80f2d08104e944646
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SHA256
3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064
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SHA512
206a8e2628b6881fc84f0f044d007536e7f1c096a31b90d869098541056761e5f222c15000d1eb1d1819a88b5a88b9bc856b0ad7ecced5d1292111250fda7949
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SSDEEP
98304:uRe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9UG:zUuqUAddtM55murAiy97
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3488-2-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/3488-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3488-24-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3488-51-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3488-53-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral2/memory/2980-55-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral2/memory/2980-56-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2980-88-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2980-100-0x00000000033D0000-0x00000000037D1000-memory.dmp family_glupteba behavioral2/memory/2980-104-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2980-118-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2980-146-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2980-150-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-200-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-249-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-258-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-259-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-261-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/4832-263-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4832 csrss.exe 5092 injector.exe 4112 windefender.exe 4988 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa60-252.dat upx behavioral2/memory/4112-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4988-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe File created C:\Windows\rss\csrss.exe 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4792 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 248 2980 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1172 schtasks.exe 4980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\26\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5100 powershell.exe 5100 powershell.exe 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 576 powershell.exe 576 powershell.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 360 powershell.exe 360 powershell.exe 964 powershell.exe 964 powershell.exe 4052 powershell.exe 4052 powershell.exe 1456 powershell.exe 1456 powershell.exe 1536 powershell.exe 1536 powershell.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 4832 csrss.exe 4832 csrss.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 4832 csrss.exe 4832 csrss.exe 5092 injector.exe 5092 injector.exe 4832 csrss.exe 4832 csrss.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe 5092 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Token: SeImpersonatePrivilege 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeDebugPrivilege 360 powershell.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeSystemEnvironmentPrivilege 4832 csrss.exe Token: SeSecurityPrivilege 4792 sc.exe Token: SeSecurityPrivilege 4792 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3488 wrote to memory of 5100 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 82 PID 3488 wrote to memory of 5100 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 82 PID 3488 wrote to memory of 5100 3488 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 82 PID 2980 wrote to memory of 576 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 87 PID 2980 wrote to memory of 576 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 87 PID 2980 wrote to memory of 576 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 87 PID 2980 wrote to memory of 1080 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 89 PID 2980 wrote to memory of 1080 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 89 PID 1080 wrote to memory of 2120 1080 cmd.exe 91 PID 1080 wrote to memory of 2120 1080 cmd.exe 91 PID 2980 wrote to memory of 360 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 92 PID 2980 wrote to memory of 360 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 92 PID 2980 wrote to memory of 360 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 92 PID 2980 wrote to memory of 964 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 94 PID 2980 wrote to memory of 964 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 94 PID 2980 wrote to memory of 964 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 94 PID 2980 wrote to memory of 4832 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 96 PID 2980 wrote to memory of 4832 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 96 PID 2980 wrote to memory of 4832 2980 3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe 96 PID 4832 wrote to memory of 4052 4832 csrss.exe 100 PID 4832 wrote to memory of 4052 4832 csrss.exe 100 PID 4832 wrote to memory of 4052 4832 csrss.exe 100 PID 4832 wrote to memory of 1456 4832 csrss.exe 106 PID 4832 wrote to memory of 1456 4832 csrss.exe 106 PID 4832 wrote to memory of 1456 4832 csrss.exe 106 PID 4832 wrote to memory of 1536 4832 csrss.exe 108 PID 4832 wrote to memory of 1536 4832 csrss.exe 108 PID 4832 wrote to memory of 1536 4832 csrss.exe 108 PID 4832 wrote to memory of 5092 4832 csrss.exe 110 PID 4832 wrote to memory of 5092 4832 csrss.exe 110 PID 4112 wrote to memory of 1876 4112 windefender.exe 116 PID 4112 wrote to memory of 1876 4112 windefender.exe 116 PID 4112 wrote to memory of 1876 4112 windefender.exe 116 PID 1876 wrote to memory of 4792 1876 cmd.exe 117 PID 1876 wrote to memory of 4792 1876 cmd.exe 117 PID 1876 wrote to memory of 4792 1876 cmd.exe 117 -
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\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100
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C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.exe"C:\Users\Admin\AppData\Local\Temp\3e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064.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:2980 -
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:576
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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:1080 -
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:2120
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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:360
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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:964
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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:4832 -
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:4052
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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:1172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3544
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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:1456
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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:1536
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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:5092
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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:4980
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4112 -
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:1876 -
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:4792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 7683⤵
- Program crash
PID:248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2980 -ip 29801⤵PID:4456
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4988
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5853018c14c0ca69390174afd9acd1933
SHA1138f2ec2412f84d32f0f822af07332d747198dda
SHA2563039a29c58ff1f260c719cf216be1e2150b97e05a4623bdfb65709c2a7e630fe
SHA512f1de2e7581b5d692898d37acb59eeca874ad9e0473e8986fa91c9c6527652267529798cc3c9cb6980c71ef2c74006d6a80d074b4e8542c59e968e761108aa548
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bce2e540de3f76c0e5faa8e3b52fa7e1
SHA12be93e2dc52a97211d1021a97e97d979fe7927ec
SHA2561d47eaa1e5e5ad8be855997427bd89e429ada4d945edfbd53653b45004a724f5
SHA51246b35c4875295137472e260b3cd3c49cf4a1dd4c95139a598dcb910566019efae56f1cdf052aaa78b0f4500bc6a05d37b6097314ab946d5253aa477c636150f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c31965d52e56d309089966335896bd8
SHA18f475d0c91dc298a25e15320171723803cefdb13
SHA256ed5a2596927d9afc1863a646c3da768a308c63ab9770c4ee98897d23f870099e
SHA512bbd8d6af8455ba72d83651962568170e54325ff622ed73bf141af2f71b8290be009040e2b9bd9ed7c6339ac9979a309bc9796929cc1c6b8bb8d851183bf3ce49
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5347166901fb1d357e18a2b0b10928902
SHA116e8bc7eb6774baa10d09e1ba5fc47bf3c1a419d
SHA256c2d304665fce81516dfd82db7963ac32b10e5b460a34cbb62dacf8f5d7e19a65
SHA5121fac9fecdefb607bd84a5482abaff67dba2a241df3b314a74883d06e7ce2d6e4479cca3a5f9b21267b381b38f6e48688ec198463e37d7530863f881bab90ed32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e4fb3e7ff56c237fcafb4e7785240b8
SHA15efdaca7bc8453c1b4fe4830890910bc9cb35ba9
SHA2560a8c0a09cf3d7689e8d4ab00f1c232edfd9757a87ceccd0e1cb764862e164b27
SHA5127b34a18e995e72bc37f55771810a047d63bbe2cd6b685588e8d3bd69770a65c265504995ce5f04f13816ba0e5d62eeac624fd7e57034793507f9c7fb48cbb29c
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Filesize
4.2MB
MD50e54f6c95aa3783069b0810bcb5964c9
SHA1f4ca6805974977f1a3e2a2d80f2d08104e944646
SHA2563e76619d9659934f0f5c314595c526a8c2fc037e8a8418eaa91690dc6dc39064
SHA512206a8e2628b6881fc84f0f044d007536e7f1c096a31b90d869098541056761e5f222c15000d1eb1d1819a88b5a88b9bc856b0ad7ecced5d1292111250fda7949
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec