Analysis
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max time kernel
146s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2023, 21:42
Static task
static1
General
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Target
f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe
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Size
4.1MB
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MD5
e63255cea0c74ccfd64c54b145f7d3cf
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SHA1
c49fd9435fcdfdff14ce0a56e326a60da7b51b29
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SHA256
f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45
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SHA512
ed624ab60f3367323151ac43545670e94d20ae034ceb5b89c0e67040113b3a68acdd496e77593a4cb77c4065e0d09a3438e9725ca54c7ab5a9ee76c8b0ef916b
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SSDEEP
98304:3gLdhsi0TqxAQdsKeDMyEyO9pr9sybY5DGTj4zpVYvQ/GBdant:QRSqxAQDB7pG7GT0aWft
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/4644-134-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4644-171-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/4644-179-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/1880-233-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/1880-291-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-316-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-352-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-362-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-365-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-367-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-371-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-373-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-377-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-379-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-383-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba behavioral1/memory/2364-392-0x0000000000400000-0x0000000002949000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 644 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 2364 csrss.exe 2384 injector.exe 4900 windefender.exe 2012 windefender.exe 320 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002314a-356.dat upx behavioral1/files/0x000700000002314a-357.dat upx behavioral1/memory/4900-358-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000002314a-359.dat upx behavioral1/memory/2012-360-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4900-361-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2012-364-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2012-374-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000002314c-387.dat upx behavioral1/files/0x000700000002314c-388.dat upx behavioral1/memory/320-389-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2012-390-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/320-393-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/320-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe File created C:\Windows\rss\csrss.exe f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.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 4440 sc.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 3688 schtasks.exe 1772 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,-241 = "Samoa Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-1662 = "Bahia Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.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\1e\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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\1e\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2044 powershell.exe 2044 powershell.exe 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1620 powershell.exe 1620 powershell.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 4440 powershell.exe 4440 powershell.exe 3228 powershell.exe 3228 powershell.exe 492 powershell.exe 492 powershell.exe 1660 powershell.exe 1660 powershell.exe 2616 powershell.exe 2616 powershell.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2364 csrss.exe 2364 csrss.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2364 csrss.exe 2364 csrss.exe 2384 injector.exe 2384 injector.exe 2364 csrss.exe 2364 csrss.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe 2384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Token: SeImpersonatePrivilege 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3228 powershell.exe Token: SeDebugPrivilege 492 powershell.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 2616 powershell.exe Token: SeSystemEnvironmentPrivilege 2364 csrss.exe Token: SeSecurityPrivilege 4440 sc.exe Token: SeSecurityPrivilege 4440 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4644 wrote to memory of 2044 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 84 PID 4644 wrote to memory of 2044 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 84 PID 4644 wrote to memory of 2044 4644 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 84 PID 1880 wrote to memory of 1620 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 91 PID 1880 wrote to memory of 1620 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 91 PID 1880 wrote to memory of 1620 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 91 PID 1880 wrote to memory of 2508 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 96 PID 1880 wrote to memory of 2508 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 96 PID 2508 wrote to memory of 644 2508 cmd.exe 98 PID 2508 wrote to memory of 644 2508 cmd.exe 98 PID 1880 wrote to memory of 4440 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 99 PID 1880 wrote to memory of 4440 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 99 PID 1880 wrote to memory of 4440 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 99 PID 1880 wrote to memory of 3228 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 101 PID 1880 wrote to memory of 3228 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 101 PID 1880 wrote to memory of 3228 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 101 PID 1880 wrote to memory of 2364 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 104 PID 1880 wrote to memory of 2364 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 104 PID 1880 wrote to memory of 2364 1880 f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe 104 PID 2364 wrote to memory of 492 2364 csrss.exe 105 PID 2364 wrote to memory of 492 2364 csrss.exe 105 PID 2364 wrote to memory of 492 2364 csrss.exe 105 PID 2364 wrote to memory of 1660 2364 csrss.exe 111 PID 2364 wrote to memory of 1660 2364 csrss.exe 111 PID 2364 wrote to memory of 1660 2364 csrss.exe 111 PID 2364 wrote to memory of 2616 2364 csrss.exe 113 PID 2364 wrote to memory of 2616 2364 csrss.exe 113 PID 2364 wrote to memory of 2616 2364 csrss.exe 113 PID 2364 wrote to memory of 2384 2364 csrss.exe 115 PID 2364 wrote to memory of 2384 2364 csrss.exe 115 PID 4900 wrote to memory of 3704 4900 windefender.exe 121 PID 4900 wrote to memory of 3704 4900 windefender.exe 121 PID 4900 wrote to memory of 3704 4900 windefender.exe 121 PID 3704 wrote to memory of 4440 3704 cmd.exe 122 PID 3704 wrote to memory of 4440 3704 cmd.exe 122 PID 3704 wrote to memory of 4440 3704 cmd.exe 122 PID 2364 wrote to memory of 320 2364 csrss.exe 125 PID 2364 wrote to memory of 320 2364 csrss.exe 125 PID 2364 wrote to memory of 320 2364 csrss.exe 125 -
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\f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe"C:\Users\Admin\AppData\Local\Temp\f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
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C:\Users\Admin\AppData\Local\Temp\f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.exe"C:\Users\Admin\AppData\Local\Temp\f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45.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:1880 -
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:1620
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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:2508 -
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:644
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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:4440
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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:3228
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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:2364 -
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:492
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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:3688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4764
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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:1660
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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:2616
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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:2384
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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:1772
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4900 -
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:3704 -
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:4440
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:320 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:3064
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:936
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD54fa209358808aec3f1a94ec69b77d0eb
SHA1ffab2f0ffe3c6e14f94ebad0b4fd4e16f2525db9
SHA25655213b1f1187ecb70fc38d2c0a9dcc7e3688060f8b7aeb4c640406e6c8ebfaf6
SHA512d2276e39b04adf520452359857e833ae036f3abff60dee45bdf3bd37e960649779f6c5626254b10ed0b879d3c2006bb107b9bfd296efe3bc47e5dc5ed3e60b43
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c73d5274f2be1ba2da1796a501a600b
SHA1e1cbd8edf1fa9a44ad0000f779256ffe94b00159
SHA256195cc2b09c27e97d9dca768ac470ee390df746ac6e99b758721a2935f36f4e96
SHA512bb66e17a114f7e031c438e47dc2d8a4da7d1c45053f97498617c8df05f083233cc1f0ca51040f2ca77e6a11e8ed4fc137d5e15a40c19631bb039279f70914412
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58afa65a9f1e766b03c0d6597f212b555
SHA104aa6715ed5474d88d0f70ad0aa5593059e3b763
SHA256450a345df0126cde66a9b7ad64a54c0d783d8b800dc6cbf5740e47721f255517
SHA51251be108db4b07c9cdd06d2598f3930e78c162fa74ffe1435df90fb30627596e140c94eb2dc7df1d824b5f7ea157e48655eb629c75049fe22b0e5f401a64287eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5576cec1db902810cb9537d5fc33c84ae
SHA1fbd5fbae4d0150f077b4f37de550a8f99f25d589
SHA256fae4e49768be1b6580a87f9dd7b12bac9c5b2d2d565c245b37d59f299a97ad25
SHA512bee3fd369763fb15e739c36ceab70d054ac6e245c6177690852a6fdd11a95833c27bc25cd8922ee06ec19533ec382d54d5afb650ecaf88c7d59a5e7d13c009e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e0ac29e8de9d8b770693bc47d825ce71
SHA10f496b7b7875e30f57ad6255dca003d14a374fd4
SHA256a654aa787502f0249dd133446f58e91948d155a83a5cd73c0c8360ab27aba50a
SHA51201dcbcce7e1bbc1e0d086a86a00243d05ccd266dc7467a5018afce9e356424d8bf34bd01d495e88f7f86da4c544c5c006ce58883d0ce76223ac91eb62dbdc569
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Filesize
4.1MB
MD5e63255cea0c74ccfd64c54b145f7d3cf
SHA1c49fd9435fcdfdff14ce0a56e326a60da7b51b29
SHA256f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45
SHA512ed624ab60f3367323151ac43545670e94d20ae034ceb5b89c0e67040113b3a68acdd496e77593a4cb77c4065e0d09a3438e9725ca54c7ab5a9ee76c8b0ef916b
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Filesize
4.1MB
MD5e63255cea0c74ccfd64c54b145f7d3cf
SHA1c49fd9435fcdfdff14ce0a56e326a60da7b51b29
SHA256f35ec939499bfc8296a868d3f82e86fc4c25cc509cf7a1390b98532f2ebc8e45
SHA512ed624ab60f3367323151ac43545670e94d20ae034ceb5b89c0e67040113b3a68acdd496e77593a4cb77c4065e0d09a3438e9725ca54c7ab5a9ee76c8b0ef916b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec