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
19-05-2024 09:05
Static task
static1
Behavioral task
behavioral1
Sample
dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe
Resource
win7-20240508-en
General
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Target
dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe
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Size
4.1MB
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MD5
efef2069a195abad13afc0107f7912ff
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SHA1
119f6b15be4a28820a3fc1403c31d85eed3b78cd
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SHA256
dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb
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SHA512
c981174f9fbc2a51ac878c23779b84a5739d17ef43f0e2dc10309dadc60691883c706c1049a740498a40696a0b997b105a60302608b8cbcb30614dfa6377c413
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SSDEEP
98304:ovCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P15:ovC3DFSWO/BjYGk1PnXHoWWZ1za6N5
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4988-2-0x00000000043F0000-0x0000000004CDB000-memory.dmp family_glupteba behavioral2/memory/4988-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4988-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4988-57-0x00000000043F0000-0x0000000004CDB000-memory.dmp family_glupteba behavioral2/memory/4988-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/4916-136-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-214-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-220-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral2/memory/3728-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3728 csrss.exe 2176 injector.exe 3592 windefender.exe 880 windefender.exe -
resource yara_rule behavioral2/files/0x000b000000023391-223.dat upx behavioral2/memory/3592-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3592-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/880-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe File created C:\Windows\rss\csrss.exe dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.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 4028 sc.exe -
pid Process 3720 powershell.exe 1100 powershell.exe 2764 powershell.exe 2448 powershell.exe 3848 powershell.exe 5052 powershell.exe 692 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4840 4988 WerFault.exe 81 5036 4916 WerFault.exe 93 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1756 schtasks.exe 3352 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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea 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" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-331 = "E. Europe Daylight Time" windefender.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\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3720 powershell.exe 3720 powershell.exe 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 1100 powershell.exe 1100 powershell.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 2764 powershell.exe 2764 powershell.exe 2448 powershell.exe 2448 powershell.exe 3848 powershell.exe 3848 powershell.exe 5052 powershell.exe 5052 powershell.exe 692 powershell.exe 692 powershell.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 3728 csrss.exe 3728 csrss.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 3728 csrss.exe 3728 csrss.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 3728 csrss.exe 3728 csrss.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe 2176 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3720 powershell.exe Token: SeDebugPrivilege 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Token: SeImpersonatePrivilege 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 2448 powershell.exe Token: SeDebugPrivilege 3848 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 692 powershell.exe Token: SeSystemEnvironmentPrivilege 3728 csrss.exe Token: SeSecurityPrivilege 4028 sc.exe Token: SeSecurityPrivilege 4028 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4988 wrote to memory of 3720 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 84 PID 4988 wrote to memory of 3720 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 84 PID 4988 wrote to memory of 3720 4988 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 84 PID 4916 wrote to memory of 1100 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 97 PID 4916 wrote to memory of 1100 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 97 PID 4916 wrote to memory of 1100 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 97 PID 4916 wrote to memory of 3756 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 101 PID 4916 wrote to memory of 3756 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 101 PID 3756 wrote to memory of 1592 3756 cmd.exe 103 PID 3756 wrote to memory of 1592 3756 cmd.exe 103 PID 4916 wrote to memory of 2764 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 104 PID 4916 wrote to memory of 2764 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 104 PID 4916 wrote to memory of 2764 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 104 PID 4916 wrote to memory of 2448 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 106 PID 4916 wrote to memory of 2448 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 106 PID 4916 wrote to memory of 2448 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 106 PID 4916 wrote to memory of 3728 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 108 PID 4916 wrote to memory of 3728 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 108 PID 4916 wrote to memory of 3728 4916 dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe 108 PID 3728 wrote to memory of 3848 3728 csrss.exe 111 PID 3728 wrote to memory of 3848 3728 csrss.exe 111 PID 3728 wrote to memory of 3848 3728 csrss.exe 111 PID 3728 wrote to memory of 5052 3728 csrss.exe 117 PID 3728 wrote to memory of 5052 3728 csrss.exe 117 PID 3728 wrote to memory of 5052 3728 csrss.exe 117 PID 3728 wrote to memory of 692 3728 csrss.exe 119 PID 3728 wrote to memory of 692 3728 csrss.exe 119 PID 3728 wrote to memory of 692 3728 csrss.exe 119 PID 3728 wrote to memory of 2176 3728 csrss.exe 121 PID 3728 wrote to memory of 2176 3728 csrss.exe 121 PID 3592 wrote to memory of 4840 3592 windefender.exe 130 PID 3592 wrote to memory of 4840 3592 windefender.exe 130 PID 3592 wrote to memory of 4840 3592 windefender.exe 130 PID 4840 wrote to memory of 4028 4840 cmd.exe 131 PID 4840 wrote to memory of 4028 4840 cmd.exe 131 PID 4840 wrote to memory of 4028 4840 cmd.exe 131 -
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\dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe"C:\Users\Admin\AppData\Local\Temp\dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720
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C:\Users\Admin\AppData\Local\Temp\dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.exe"C:\Users\Admin\AppData\Local\Temp\dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb.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:4916 -
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:1100
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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:3756 -
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:1592
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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:2764
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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:2448
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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:3728 -
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:3848
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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:1756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1472
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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:5052
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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:692
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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:2176
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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:3352
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3592 -
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:4840 -
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:4028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 6643⤵
- Program crash
PID:5036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 7722⤵
- Program crash
PID:4840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4988 -ip 49881⤵PID:880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4916 -ip 49161⤵PID:2044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:880
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
MD5ca3ce7ad68da538c4083220be744e440
SHA1c98ffa88d3c7810d37e3020fd147375305ac9b68
SHA2561c48f2b3dc31ccb31281cb1f16d9744480cc4a9aeb0e8e2952535ade0f057271
SHA512ef6885ac4f17fe252bbef265c82b0acd9e88f3bee2e46482a2f9409e72aa13a410a12589abe4126bbc8f07be0b75f85ada8ab4826cdc9c50808bbd118a2ec980
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510b4f94e770a3cf88dba2c071fe33634
SHA12c5a5cb99a7921760c19a3f32a635cc82683d5f9
SHA25689733dcc4ef74bf88bd38c731d79f41552276db4d7777466994a76bdd6a8ebf0
SHA5120943137990f50416cb7e353f7ff42447671e23908d1f32f9e7bfdc30bda4fd70aa8aaea8ecb2840b1be61f16fb7d6e6b4a7b36fad663d225cfb11607056aaa00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51124a09a87607d03d131d351e6af4a97
SHA12f8733ffbd7d393d7db912116229f9eed45965d1
SHA256d952265bc37daf3be5f0cd066b69750c2736d7f11b25c8de971bc06734196a93
SHA5121f9d805e8d2d59eab37ce0335cc3dffa54c3668e67eaed104c03b87e65ef00c3fec9cdd68522546690954090b4ad977675e9cd6edd661b311149f396560cda4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57068dc22107b03c8272d5232f658b664
SHA14997d3f48c5d7c18159b1b00792bf75858085e8c
SHA2568018cbe05ee6d921222d7ba39ef5784cd0713b3cbb04f1c395790b4caf58d4d8
SHA512e2e3e9314bf0d9ca89962f456db549d3dc51967eecf7b57cb692c58574260cfe6a55eec110056192c0bed683e8c5abb29b23e859b689536e2333e2d40a3ee2ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5733d64962b8127e935839afd6dace86b
SHA1d5eeec78501ff69efb6819e8b28e299f30b8109a
SHA25661caba773cf73052707b712c321045169f1b5b43b3abb76c59dcd75482434d4c
SHA512a7d34a04ccfa9f75c1e6e7fa16589506ba13064ffe5fe86259b57b6a2aaa16bcfcc1a5b65c8ac725f6c83d3284446499329bf33734c5e10bae55c49fc0548584
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Filesize
4.1MB
MD5efef2069a195abad13afc0107f7912ff
SHA1119f6b15be4a28820a3fc1403c31d85eed3b78cd
SHA256dfa1104c9deca09f277092598517fdae1b6868ba2eb806a500e13752a2ca90bb
SHA512c981174f9fbc2a51ac878c23779b84a5739d17ef43f0e2dc10309dadc60691883c706c1049a740498a40696a0b997b105a60302608b8cbcb30614dfa6377c413
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec