Analysis
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max time kernel
149s -
max time network
150s -
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 16:46
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 behavioral1/memory/4796-2-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/4796-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4796-104-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4512-132-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4796-144-0x00000000047C0000-0x00000000050AB000-memory.dmp family_glupteba behavioral1/memory/4796-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1524-208-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1524-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2348 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1524 csrss.exe 2448 injector.exe 4868 windefender.exe 4840 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002341a-218.dat upx behavioral1/memory/4868-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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\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 File created 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 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe File created C:\Windows\rss\csrss.exe d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3444 sc.exe -
pid Process 4848 powershell.exe 4252 powershell.exe 4284 powershell.exe 2900 powershell.exe 4620 powershell.exe 1228 powershell.exe 1176 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 2792 schtasks.exe 3220 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,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\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,-732 = "Fiji Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.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,-3051 = "Qyzylorda Daylight 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,-292 = "Central European Standard 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" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2900 powershell.exe 2900 powershell.exe 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4620 powershell.exe 4620 powershell.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 1228 powershell.exe 1228 powershell.exe 1176 powershell.exe 1176 powershell.exe 4848 powershell.exe 4848 powershell.exe 4252 powershell.exe 4252 powershell.exe 4284 powershell.exe 4284 powershell.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 1524 csrss.exe 1524 csrss.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 1524 csrss.exe 1524 csrss.exe 2448 injector.exe 2448 injector.exe 1524 csrss.exe 1524 csrss.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe 2448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2900 powershell.exe Token: SeDebugPrivilege 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Token: SeImpersonatePrivilege 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeSystemEnvironmentPrivilege 1524 csrss.exe Token: SeSecurityPrivilege 3444 sc.exe Token: SeSecurityPrivilege 3444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4796 wrote to memory of 2900 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 83 PID 4796 wrote to memory of 2900 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 83 PID 4796 wrote to memory of 2900 4796 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 83 PID 4512 wrote to memory of 4620 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 95 PID 4512 wrote to memory of 4620 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 95 PID 4512 wrote to memory of 4620 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 95 PID 4512 wrote to memory of 2268 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 99 PID 4512 wrote to memory of 2268 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 99 PID 2268 wrote to memory of 2348 2268 cmd.exe 101 PID 2268 wrote to memory of 2348 2268 cmd.exe 101 PID 4512 wrote to memory of 1228 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 102 PID 4512 wrote to memory of 1228 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 102 PID 4512 wrote to memory of 1228 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 102 PID 4512 wrote to memory of 1176 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 105 PID 4512 wrote to memory of 1176 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 105 PID 4512 wrote to memory of 1176 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 105 PID 4512 wrote to memory of 1524 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 107 PID 4512 wrote to memory of 1524 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 107 PID 4512 wrote to memory of 1524 4512 d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498.exe 107 PID 1524 wrote to memory of 4848 1524 csrss.exe 108 PID 1524 wrote to memory of 4848 1524 csrss.exe 108 PID 1524 wrote to memory of 4848 1524 csrss.exe 108 PID 1524 wrote to memory of 4252 1524 csrss.exe 114 PID 1524 wrote to memory of 4252 1524 csrss.exe 114 PID 1524 wrote to memory of 4252 1524 csrss.exe 114 PID 1524 wrote to memory of 4284 1524 csrss.exe 116 PID 1524 wrote to memory of 4284 1524 csrss.exe 116 PID 1524 wrote to memory of 4284 1524 csrss.exe 116 PID 1524 wrote to memory of 2448 1524 csrss.exe 118 PID 1524 wrote to memory of 2448 1524 csrss.exe 118 PID 4868 wrote to memory of 2224 4868 windefender.exe 126 PID 4868 wrote to memory of 2224 4868 windefender.exe 126 PID 4868 wrote to memory of 2224 4868 windefender.exe 126 PID 2224 wrote to memory of 3444 2224 cmd.exe 127 PID 2224 wrote to memory of 3444 2224 cmd.exe 127 PID 2224 wrote to memory of 3444 2224 cmd.exe 127 -
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:4796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2900
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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:4512 -
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:4620
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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:2268 -
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:2348
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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:1228
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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:1176
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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:1524 -
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:4848
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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:2792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4188
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4252
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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:4284
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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:2448
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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:3220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4868 -
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:2224 -
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:3444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4840
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
MD554907a46d304727afc033104ee669364
SHA15294e34cac53341ffae7bc610c6b5972bcaa2c5d
SHA256b7be90561de8cb92d3e22b2ca3eefba3f9a871f10c479df15bfbd44f1e00a634
SHA51201c9e2e2c2452810ffd6b2fff955be9cb9b9adfac4bf7919e47edba07516428d06ec4c69a945911118e023f3830157c187340475c4639f4a1443580b306c1298
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5265bc73b57cb986992ae76f6cc135871
SHA1d98af6ad0c1c58b70837d5426446ad3c5b6c7c6e
SHA256dc8d1f3e7f7e424e3600f4548950dc4e3cd0a7dfa90a39b47de63200804a9113
SHA512588ba3cc9f9d833130a9a57f4717f3613f5e89a07f0eaf3286a2b51a67ccc30e86cf1c3d1f42ea06675a2ed917789c7b3eee215c98ef5754ae0067709def6aa2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d226e9c5601b2c2b5879f0cfc38aca30
SHA12974a8e65d568a757a5f480af3b70c789210b8d3
SHA2567521e9f9aff0b3efb07bd1841912851af4992ec1a78a5116239cdacf739a4862
SHA5122b6ff912112fccbee70b91e02c589bf811eb14992f4c5c983fec2199cbf91a06c7433c4ce82afd668c76907565c2149e1a42eb12d90366107800e468b8d40964
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e57139b28ccc754791447ab0cf39e10e
SHA1d5cf3514d20729fcc4237437d27a0f8349b52462
SHA256fc456a5af6bdc55607f3ccc53abdd632e66a5f85eaf506d56e0f37407b2aedec
SHA5125c79bf61973e2882152bea61f8e3e3b92c5e50a2aa4d5b648877853076626026d691acb93f3a954267b9132ff314bbf187fe41d1a512326e86b80af9d0aefcf5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b52d30d32f5b8e9a9491923482c68804
SHA1fb37c0abe82339aba52aace4afcb3fdaaac9736f
SHA256187a9ed71a7cccbda3e0de8cafed982203602df44a877a5f245fd7f3e837baab
SHA51207ae5e67531c750d51dbb5634f12a5b8c5325e372ad06509ee3be06b47c6075d703fc9eb23fc4cda36602795e056dcf32c8e2a842e909072d05c3a259b680246
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Filesize
4.1MB
MD5cd571e8b67acf89466136454ba870b1f
SHA1f9dd6bdf392ee08c7ce765c5801d0882b730bed5
SHA256d034a449be9ebd90887520fb47da0c8a773989da8fcea475594fc7066dad6498
SHA512fbebf394819cc64be220b90c57a7e551cb59d30f184cee574ec5e7968ae176abacdd3d749a7edd376c5d75ef7ff93a37878c13ccf2a107fccd8ab01023da2d1a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec