Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 16:47
Static task
static1
Behavioral task
behavioral1
Sample
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe
Resource
win10v2004-20240508-en
General
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Target
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe
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Size
4.1MB
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MD5
3efc11c7247d7d28402eb274dab66f3e
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SHA1
4bb62d79a228903328d194f46bdfa867fb971810
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SHA256
31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268
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SHA512
e024946a2afb71f20a08184786848f75cc6e60ef15ed4889102dfd43c151dfeae99004c3f111d99f9f183f74422b1ef937222984ddb1580df7cbdf58486bf2c5
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP2:gX++d2b0aMbplZO0sFfS2
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2272-2-0x0000000004770000-0x000000000505B000-memory.dmp family_glupteba behavioral1/memory/2272-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2272-56-0x0000000004770000-0x000000000505B000-memory.dmp family_glupteba behavioral1/memory/2272-54-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2272-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/400-161-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-219-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-260-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/532-262-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 532 csrss.exe 4536 injector.exe 1696 windefender.exe 2288 windefender.exe -
resource yara_rule behavioral1/files/0x00070000000235d5-223.dat upx behavioral1/memory/1696-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2288-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1696-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2288-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2288-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe File created C:\Windows\rss\csrss.exe 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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 1172 sc.exe -
pid Process 5088 powershell.exe 3340 powershell.exe 4972 powershell.exe 2800 powershell.exe 2740 powershell.exe 1580 powershell.exe 1548 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 3976 schtasks.exe 4996 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\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.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\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island 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,-1412 = "Syria Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight 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" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei 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" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4972 powershell.exe 4972 powershell.exe 4972 powershell.exe 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 2800 powershell.exe 2800 powershell.exe 2800 powershell.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 2740 powershell.exe 2740 powershell.exe 2740 powershell.exe 1580 powershell.exe 1580 powershell.exe 1580 powershell.exe 1548 powershell.exe 1548 powershell.exe 1548 powershell.exe 5088 powershell.exe 5088 powershell.exe 5088 powershell.exe 3340 powershell.exe 3340 powershell.exe 3340 powershell.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 532 csrss.exe 532 csrss.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 532 csrss.exe 532 csrss.exe 4536 injector.exe 4536 injector.exe 532 csrss.exe 532 csrss.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4972 powershell.exe Token: SeDebugPrivilege 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Token: SeImpersonatePrivilege 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 1580 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 3340 powershell.exe Token: SeSystemEnvironmentPrivilege 532 csrss.exe Token: SeSecurityPrivilege 1172 sc.exe Token: SeSecurityPrivilege 1172 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2272 wrote to memory of 4972 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 2272 wrote to memory of 4972 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 2272 wrote to memory of 4972 2272 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 94 PID 400 wrote to memory of 2800 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 103 PID 400 wrote to memory of 2800 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 103 PID 400 wrote to memory of 2800 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 103 PID 400 wrote to memory of 556 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 108 PID 400 wrote to memory of 556 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 108 PID 556 wrote to memory of 3860 556 cmd.exe 110 PID 556 wrote to memory of 3860 556 cmd.exe 110 PID 400 wrote to memory of 2740 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 111 PID 400 wrote to memory of 2740 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 111 PID 400 wrote to memory of 2740 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 111 PID 400 wrote to memory of 1580 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 114 PID 400 wrote to memory of 1580 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 114 PID 400 wrote to memory of 1580 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 114 PID 400 wrote to memory of 532 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 116 PID 400 wrote to memory of 532 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 116 PID 400 wrote to memory of 532 400 31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe 116 PID 532 wrote to memory of 1548 532 csrss.exe 117 PID 532 wrote to memory of 1548 532 csrss.exe 117 PID 532 wrote to memory of 1548 532 csrss.exe 117 PID 532 wrote to memory of 5088 532 csrss.exe 123 PID 532 wrote to memory of 5088 532 csrss.exe 123 PID 532 wrote to memory of 5088 532 csrss.exe 123 PID 532 wrote to memory of 3340 532 csrss.exe 125 PID 532 wrote to memory of 3340 532 csrss.exe 125 PID 532 wrote to memory of 3340 532 csrss.exe 125 PID 532 wrote to memory of 4536 532 csrss.exe 127 PID 532 wrote to memory of 4536 532 csrss.exe 127 PID 1696 wrote to memory of 2484 1696 windefender.exe 134 PID 1696 wrote to memory of 2484 1696 windefender.exe 134 PID 1696 wrote to memory of 2484 1696 windefender.exe 134 PID 2484 wrote to memory of 1172 2484 cmd.exe 135 PID 2484 wrote to memory of 1172 2484 cmd.exe 135 PID 2484 wrote to memory of 1172 2484 cmd.exe 135 -
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\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972
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C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.exe"C:\Users\Admin\AppData\Local\Temp\31218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268.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:400 -
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:2800
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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:556 -
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:3860
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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:2740
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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:1580
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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:532 -
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:1548
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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:3976
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4088
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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:5088
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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:3340
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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:4536
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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:4996
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1696 -
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:2484 -
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:1172
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4336 /prefetch:81⤵PID:4688
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2288
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
MD513964071d1d2cedee01842a34906f6ed
SHA1aa6f4f9815dc15897a5369b12b8db4e036d6b247
SHA2568f4f81c8765e785750667f7646868ca3408835fa11ba1beedf819f79b3517a0e
SHA5128a5c7dba2e5e24e0a5fe6883bf1660af7fcb5dd3fd0512ec1b94e1280cdd84c6ffe81a16ea819ff6c3fb8705a6051650ae2a3ea1c7c95a6535be059f57e8ee91
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550ec63e1147aeaaaa5540ad9bb765da4
SHA1b28cadcba173543346afa1dc4bf60a868708c81a
SHA256ef175b76f534cf36e9aab876df5b0738d3358e703a2e844860f5cf0f2ecb4846
SHA512ade7fac780f11ba9655ebe3b668f3f51b1ac8ce62829cb90e46b1993178bca8d395c916a3b198b5a423942673c88b9e1483996d74ef19bcad0271c67cc2a26ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ed659cca7e7923d546b4176616c1ef6
SHA12e114425390b17e173e286d2595a7533a75aa9f1
SHA256578890cb950b9dfb31a4c69efb0db8150da809dce9ef59735193cb47f3b601a5
SHA512c2f5eb2efce233bf5ce52d5850046955c087301f443d57907c6bcf4b17844624e41a4b564df50798608f13ac5146b21183d51765fb15627990161abd2d6f801f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff3c2f8730b801d4c6c4de99cee3c8eb
SHA11889b84f02a94e151971304ab5ecc82b8db46b06
SHA25619c28c48caba186a0e704bb38e5d6616c609c9d550f9ecb5b4880cca88e8d524
SHA512082bb417e2ffdc5034cef2a237a856154f65a853496b12f595f23bb4f4309b0df649a30e06f81ddf80f5755f1586861a7a4d66955598a70d93018d4b12cb190b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5990cd2a8dd5ab2f1ec539039468be19e
SHA171b7702676670bc19b4ce1d2b761dffe21e24de7
SHA256828bf1951767bc0adfbd03028fecc7bb10d465308626357752189f7b00f6d755
SHA5123935d76ea7a5c3f52142f5c21d8d74d8e48c339ab553b7d2f9306534af9898a1f4a89f85ddf56d2e7641441d68d10898015613fe60ae8f032bf0b82aca1cd1c6
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Filesize
4.1MB
MD53efc11c7247d7d28402eb274dab66f3e
SHA14bb62d79a228903328d194f46bdfa867fb971810
SHA25631218c64515f209b56466c204a1285915ec269543dca9d83959188552c8bf268
SHA512e024946a2afb71f20a08184786848f75cc6e60ef15ed4889102dfd43c151dfeae99004c3f111d99f9f183f74422b1ef937222984ddb1580df7cbdf58486bf2c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec