Analysis
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max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 16:46
Static task
static1
Behavioral task
behavioral1
Sample
d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe
Resource
win10v2004-20240508-en
General
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Target
d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe
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Size
4.1MB
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MD5
cd571e8b67acf89466136454ba870b1f
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SHA1
f9dd6bdf392ee08c7ce765c5801d0882b730bed5
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SHA256
d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498
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SHA512
fbebf394819cc64be220b90c57a7e551cb59d30f184cee574ec5e7968ae176abacdd3d749a7edd376c5d75ef7ff93a37878c13ccf2a107fccd8ab01023da2d1a
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SSDEEP
98304:Ic7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdPW:4X++d2b0aMbplZO0sFfSW
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1884-2-0x0000000004900000-0x00000000051EB000-memory.dmp family_glupteba behavioral2/memory/1884-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1884-54-0x0000000004900000-0x00000000051EB000-memory.dmp family_glupteba behavioral2/memory/1884-51-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/3260-126-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-199-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-219-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-222-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-225-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-227-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral2/memory/1348-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4256 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1348 csrss.exe 4604 injector.exe 4380 windefender.exe 2176 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f5-207.dat upx behavioral2/memory/4380-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2176-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4380-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2176-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2176-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe File created C:\Windows\rss\csrss.exe d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.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 4208 sc.exe -
pid Process 4964 powershell.exe 4580 powershell.exe 4888 powershell.exe 1544 powershell.exe 1908 powershell.exe 3464 powershell.exe 4564 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 4224 schtasks.exe 892 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.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,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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,-2791 = "Novosibirsk Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.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,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3464 powershell.exe 3464 powershell.exe 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4564 powershell.exe 4564 powershell.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4964 powershell.exe 4964 powershell.exe 4580 powershell.exe 4580 powershell.exe 4888 powershell.exe 4888 powershell.exe 1544 powershell.exe 1544 powershell.exe 1908 powershell.exe 1908 powershell.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 1348 csrss.exe 1348 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 1348 csrss.exe 1348 csrss.exe 4604 injector.exe 4604 injector.exe 1348 csrss.exe 1348 csrss.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe 4604 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Token: SeImpersonatePrivilege 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeSystemEnvironmentPrivilege 1348 csrss.exe Token: SeSecurityPrivilege 4208 sc.exe Token: SeSecurityPrivilege 4208 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1884 wrote to memory of 3464 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 81 PID 1884 wrote to memory of 3464 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 81 PID 1884 wrote to memory of 3464 1884 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 81 PID 3260 wrote to memory of 4564 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 87 PID 3260 wrote to memory of 4564 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 87 PID 3260 wrote to memory of 4564 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 87 PID 3260 wrote to memory of 4008 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 89 PID 3260 wrote to memory of 4008 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 89 PID 4008 wrote to memory of 4256 4008 cmd.exe 91 PID 4008 wrote to memory of 4256 4008 cmd.exe 91 PID 3260 wrote to memory of 4964 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 92 PID 3260 wrote to memory of 4964 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 92 PID 3260 wrote to memory of 4964 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 92 PID 3260 wrote to memory of 4580 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 94 PID 3260 wrote to memory of 4580 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 94 PID 3260 wrote to memory of 4580 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 94 PID 3260 wrote to memory of 1348 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 96 PID 3260 wrote to memory of 1348 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 96 PID 3260 wrote to memory of 1348 3260 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 96 PID 1348 wrote to memory of 4888 1348 csrss.exe 97 PID 1348 wrote to memory of 4888 1348 csrss.exe 97 PID 1348 wrote to memory of 4888 1348 csrss.exe 97 PID 1348 wrote to memory of 1544 1348 csrss.exe 103 PID 1348 wrote to memory of 1544 1348 csrss.exe 103 PID 1348 wrote to memory of 1544 1348 csrss.exe 103 PID 1348 wrote to memory of 1908 1348 csrss.exe 105 PID 1348 wrote to memory of 1908 1348 csrss.exe 105 PID 1348 wrote to memory of 1908 1348 csrss.exe 105 PID 1348 wrote to memory of 4604 1348 csrss.exe 107 PID 1348 wrote to memory of 4604 1348 csrss.exe 107 PID 4380 wrote to memory of 2208 4380 windefender.exe 113 PID 4380 wrote to memory of 2208 4380 windefender.exe 113 PID 4380 wrote to memory of 2208 4380 windefender.exe 113 PID 2208 wrote to memory of 4208 2208 cmd.exe 114 PID 2208 wrote to memory of 4208 2208 cmd.exe 114 PID 2208 wrote to memory of 4208 2208 cmd.exe 114 -
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\d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe"C:\Users\Admin\AppData\Local\Temp\d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464
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C:\Users\Admin\AppData\Local\Temp\d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe"C:\Users\Admin\AppData\Local\Temp\d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4564
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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:4008 -
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:4256
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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:4964
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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:4580
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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:1348 -
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:4888
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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:4224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3032
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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:1544
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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:1908
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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:4604
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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:892
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4380 -
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:2208 -
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:4208
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2176
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
MD547d6360193290c731866dcf9e44985c0
SHA1fcc93bb6c1bc9a02d6c29ae55d1cb2111a62cd16
SHA25624b6734c22746b2b8d04fc5187ee7668b4e4592b353ca2398880673655796b4a
SHA512101c576c10ef154bcdb46817c3a2715c4fc060fc9ca1893f34cb7a7ee70fb4f17965a08d2b6aed1257b6c9c4335b3088bf1c68ea40744a60279eaf70d7f2f89d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506105b83ca8e61232d1c3370a1fbcdd6
SHA1fce1de006725860da7faf38449d72a8927eceec1
SHA2565f8da582eed3ddc7ad5e01a4517e8c5abb5107ff393530268f89303fe27d6b44
SHA51264324ce26f3ad9ff6fe9838773f49126ac9be135b0c96e2756c5c21cb9d7fde4c964c4bcdde26a41b0bfde2e87332b2d0b1ca993d028c8bccffd07310e9d9fcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8897782d58af49bf79242c005ca0ad8
SHA12ac131cd4b04c48a004cb3ce6b1b045067e12d01
SHA256feba6eb54e905e40e1f38bdf0d3afeb20008ce0379a9ed72c9551a653adbfb94
SHA512319ac37924ee5c50a9bda83cb5be58b736d87e5979a384c62b0c38553920e633871639b9a9bda144aa65d952c3fc733b1519a57e2266178c43edb5b1e9a9212c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be1732274c8841989e9d3d814e7e7913
SHA17d64b3ce6bd7ae4b57576b36a2fae661b489d271
SHA2560462624674fb9283f290b00621cc513b2c0818bedb529a9d6cd0c51efac31e34
SHA512e328f22cfb917de21b8264ee2cc37258d6e807c78868e27d018d7764b78797135f8f94a974ac1e1a183911c067671c689a48b9e212f841e9460fbb5151f682bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8f18e2a3447b5f14dcc5479d3df0e74
SHA1e5cd042c853d0ca2b57076bea50c864ce91338bf
SHA256eb3ce4821bb8061021395691b875639d6163c8e0863c6f4c7ad70b3f679f1459
SHA512e728f1b22c09122621121be5a62a97300c638a828f3eda02f11187aae2624c0705105e7fc55d7206db1362c87e9d82d06b060d86c2bec6206908c32efdadacba
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Filesize
4.1MB
MD5cd571e8b67acf89466136454ba870b1f
SHA1f9dd6bdf392ee08c7ce765c5801d0882b730bed5
SHA256d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498
SHA512fbebf394819cc64be220b90c57a7e551cb59d30f184cee574ec5e7968ae176abacdd3d749a7edd376c5d75ef7ff93a37878c13ccf2a107fccd8ab01023da2d1a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec