Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:50
Static task
static1
Behavioral task
behavioral1
Sample
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe
Resource
win10v2004-20240412-en
General
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Target
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe
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Size
4.2MB
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MD5
023ea389fb407cce860591b18922fd70
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SHA1
b3b3660a698797ae56646fb3e00e4d4e9b86fcb8
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SHA256
2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9
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SHA512
c107c961850c2ad4e020e046dc301b346dc5ac5099b93cc372c10530085fb87558084e1aba256ba8c33f80f95a64769de56e8a856a86fc39c68a120323114197
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG2:XdVQtLoTZDg5GO9Bqlcu
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/5072-2-0x0000000003FA0000-0x000000000488B000-memory.dmp family_glupteba behavioral1/memory/5072-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5072-45-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3380-48-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/5072-47-0x0000000003FA0000-0x000000000488B000-memory.dmp family_glupteba behavioral1/memory/3380-133-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3380-150-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-253-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3504-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4724 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3504 csrss.exe 4388 injector.exe 1296 windefender.exe 4868 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023427-256.dat upx behavioral1/memory/1296-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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 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 -
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 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe File created C:\Windows\rss\csrss.exe 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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 2904 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 792 5076 WerFault.exe 92 1000 5072 WerFault.exe 87 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2436 schtasks.exe 448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5076 powershell.exe 5076 powershell.exe 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 1324 powershell.exe 1324 powershell.exe 1324 powershell.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 4800 powershell.exe 4800 powershell.exe 4800 powershell.exe 3612 powershell.exe 3612 powershell.exe 3612 powershell.exe 4684 powershell.exe 4684 powershell.exe 4684 powershell.exe 4692 powershell.exe 4692 powershell.exe 4692 powershell.exe 2052 powershell.exe 2052 powershell.exe 2052 powershell.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 3504 csrss.exe 3504 csrss.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 3504 csrss.exe 3504 csrss.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 3504 csrss.exe 3504 csrss.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe 4388 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Token: SeImpersonatePrivilege 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeSystemEnvironmentPrivilege 3504 csrss.exe Token: SeSecurityPrivilege 2904 sc.exe Token: SeSecurityPrivilege 2904 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5072 wrote to memory of 5076 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 92 PID 5072 wrote to memory of 5076 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 92 PID 5072 wrote to memory of 5076 5072 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 92 PID 3380 wrote to memory of 1324 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 105 PID 3380 wrote to memory of 1324 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 105 PID 3380 wrote to memory of 1324 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 105 PID 3380 wrote to memory of 1864 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 107 PID 3380 wrote to memory of 1864 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 107 PID 1864 wrote to memory of 4724 1864 cmd.exe 109 PID 1864 wrote to memory of 4724 1864 cmd.exe 109 PID 3380 wrote to memory of 4800 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 111 PID 3380 wrote to memory of 4800 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 111 PID 3380 wrote to memory of 4800 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 111 PID 3380 wrote to memory of 3612 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 113 PID 3380 wrote to memory of 3612 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 113 PID 3380 wrote to memory of 3612 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 113 PID 3380 wrote to memory of 3504 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 116 PID 3380 wrote to memory of 3504 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 116 PID 3380 wrote to memory of 3504 3380 2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe 116 PID 3504 wrote to memory of 4684 3504 csrss.exe 117 PID 3504 wrote to memory of 4684 3504 csrss.exe 117 PID 3504 wrote to memory of 4684 3504 csrss.exe 117 PID 3504 wrote to memory of 4692 3504 csrss.exe 123 PID 3504 wrote to memory of 4692 3504 csrss.exe 123 PID 3504 wrote to memory of 4692 3504 csrss.exe 123 PID 3504 wrote to memory of 2052 3504 csrss.exe 125 PID 3504 wrote to memory of 2052 3504 csrss.exe 125 PID 3504 wrote to memory of 2052 3504 csrss.exe 125 PID 3504 wrote to memory of 4388 3504 csrss.exe 127 PID 3504 wrote to memory of 4388 3504 csrss.exe 127 PID 1296 wrote to memory of 1460 1296 windefender.exe 133 PID 1296 wrote to memory of 1460 1296 windefender.exe 133 PID 1296 wrote to memory of 1460 1296 windefender.exe 133 PID 1460 wrote to memory of 2904 1460 cmd.exe 134 PID 1460 wrote to memory of 2904 1460 cmd.exe 134 PID 1460 wrote to memory of 2904 1460 cmd.exe 134 -
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\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 25483⤵
- Program crash
PID:792
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C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.exe"C:\Users\Admin\AppData\Local\Temp\2ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9.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:3380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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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:1864 -
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:4724
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612
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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:3504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684
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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:2436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4420
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052
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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:4388
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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:448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1296 -
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:1460 -
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:2904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 8442⤵
- Program crash
PID:1000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5076 -ip 50761⤵PID:2664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 5072 -ip 50721⤵PID:3884
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4868
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
MD5a978186047c905ecb8234b7e4ef7aeae
SHA10f73893d94784166d14d43c71c860db14a11dd92
SHA256ad053506851510c44ce00dabaa4ecaa3c227d366b05dde6e54069e8a7264cf1b
SHA512a627749b347bbcbb09ca04da69085496931915beeb1042703e1cc921e80fb43c36a94e98b1d0a38cc2dbfb48c0a45e19608a9de7f0bf0526e6d82547e777f7ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5201a8b7af2db8abd8fc345ad3f02189f
SHA1787fa8e1b231bb3d9405428544e7d87208e0d6da
SHA2561727bf9705d1ce8987fdb4f27e3e60516ca16eb8c0d43622d9f37ccc35c1f686
SHA512c76d8644b7eb338318d6adfc36ce000177444e63fbfb8e2639aafce6fba5623708d2af49a793c95a83126fb3e2b93d53f539c77a2ce7e531532e0c58a18e30c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551917fddcfa2d9eb2582e3171b08ef2a
SHA1bca58bee3fdac0070033b836ce42d58a7349a2b9
SHA256e60a6101a504634cccf19ebd01b6ea1aa504e5cca06d05f01a1d9ad180e06eb5
SHA512d53dedcafcbe576f59198d279144f4ce534398a88d9089f5d9b6c0fc8655d5ee68727666dce0a197f4ed0626774420a07e59a76e6ec45334a0560d7fe495de4c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542af3e89dafb0e40433b4efa5f0e701a
SHA17bdf543c38f30433429abf17592db9ce4d26f2df
SHA256d10c8c4ae3c17e00a61fe2dd08eff99125a488e280a0900689751ca2dc03cca2
SHA5129a9c406ca699849aafef9dda2bbfd2bf694ec26fd068372a31f66811b833e34f3d24ad08fc14d50a2e15f6de7c0a1fce5585b6e73425be07cd0b4d3fcfab17da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1bcdc7c06af2d67512bf1d14512065d
SHA16d1ccc59f42d9a9bfe83aca35f7075ce3d605f9e
SHA256ef438e291f9fbd9ae836b818a4ae6c2140ef6478e737854580bfd772251fe65d
SHA51240c1d31c17a0576d6eb1b338d067e54c6f1d9a63943573bd706b38fd175c2964a4012f90686c002f0ee27643f326d8e7dedadc45d93f52f33dc841d7a33b1d4a
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Filesize
4.2MB
MD5023ea389fb407cce860591b18922fd70
SHA1b3b3660a698797ae56646fb3e00e4d4e9b86fcb8
SHA2562ad0b985cb7dc1f36508cbe55471fd2699f9f05f99f528965364ae6c3065eea9
SHA512c107c961850c2ad4e020e046dc301b346dc5ac5099b93cc372c10530085fb87558084e1aba256ba8c33f80f95a64769de56e8a856a86fc39c68a120323114197
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec