Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe
Resource
win10v2004-20240508-en
General
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Target
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe
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Size
4.1MB
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MD5
fd9a845cee7cb461002ae885dee64b89
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SHA1
4647ed87d3160075412de8f39c4e60fbbc2196d6
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SHA256
604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3
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SHA512
19ec85ddf8c43f756137f121ee11da95316bca0887d486494eed2f95a74d4e67b66bf860bfd1bc29d675d29ec32c40df25209958c0e9dade807b1b4fc36eef5d
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SSDEEP
98304:04ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpND:04G/GRAB9MdaGBolx/Wzut
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4836-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/4836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4836-26-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4836-57-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral1/memory/4836-58-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4836-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2888-70-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2888-136-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-140-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-246-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-249-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/264-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 264 csrss.exe 4300 injector.exe 2800 windefender.exe 3932 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023412-222.dat upx behavioral1/memory/2800-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2800-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3932-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3932-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3932-245-0x0000000000400000-0x00000000008DF000-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\"" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe File created C:\Windows\rss\csrss.exe 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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 3428 sc.exe -
pid Process 820 powershell.exe 3020 powershell.exe 3216 powershell.exe 1152 powershell.exe 1280 powershell.exe 556 powershell.exe 4620 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 1008 schtasks.exe 4168 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,-435 = "Georgian Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard 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" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1152 powershell.exe 1152 powershell.exe 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 1280 powershell.exe 1280 powershell.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 556 powershell.exe 556 powershell.exe 4620 powershell.exe 4620 powershell.exe 820 powershell.exe 820 powershell.exe 3020 powershell.exe 3020 powershell.exe 3216 powershell.exe 3216 powershell.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 264 csrss.exe 264 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 264 csrss.exe 264 csrss.exe 4300 injector.exe 4300 injector.exe 264 csrss.exe 264 csrss.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe 4300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Token: SeImpersonatePrivilege 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe Token: SeDebugPrivilege 1280 powershell.exe Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 820 powershell.exe Token: SeDebugPrivilege 3020 powershell.exe Token: SeDebugPrivilege 3216 powershell.exe Token: SeSystemEnvironmentPrivilege 264 csrss.exe Token: SeSecurityPrivilege 3428 sc.exe Token: SeSecurityPrivilege 3428 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4836 wrote to memory of 1152 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 88 PID 4836 wrote to memory of 1152 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 88 PID 4836 wrote to memory of 1152 4836 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 88 PID 2888 wrote to memory of 1280 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 93 PID 2888 wrote to memory of 1280 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 93 PID 2888 wrote to memory of 1280 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 93 PID 2888 wrote to memory of 3584 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 95 PID 2888 wrote to memory of 3584 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 95 PID 3584 wrote to memory of 4476 3584 cmd.exe 97 PID 3584 wrote to memory of 4476 3584 cmd.exe 97 PID 2888 wrote to memory of 556 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 98 PID 2888 wrote to memory of 556 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 98 PID 2888 wrote to memory of 556 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 98 PID 2888 wrote to memory of 4620 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 101 PID 2888 wrote to memory of 4620 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 101 PID 2888 wrote to memory of 4620 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 101 PID 2888 wrote to memory of 264 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 103 PID 2888 wrote to memory of 264 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 103 PID 2888 wrote to memory of 264 2888 604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe 103 PID 264 wrote to memory of 820 264 csrss.exe 105 PID 264 wrote to memory of 820 264 csrss.exe 105 PID 264 wrote to memory of 820 264 csrss.exe 105 PID 264 wrote to memory of 3020 264 csrss.exe 111 PID 264 wrote to memory of 3020 264 csrss.exe 111 PID 264 wrote to memory of 3020 264 csrss.exe 111 PID 264 wrote to memory of 3216 264 csrss.exe 113 PID 264 wrote to memory of 3216 264 csrss.exe 113 PID 264 wrote to memory of 3216 264 csrss.exe 113 PID 264 wrote to memory of 4300 264 csrss.exe 115 PID 264 wrote to memory of 4300 264 csrss.exe 115 PID 2800 wrote to memory of 2156 2800 windefender.exe 121 PID 2800 wrote to memory of 2156 2800 windefender.exe 121 PID 2800 wrote to memory of 2156 2800 windefender.exe 121 PID 2156 wrote to memory of 3428 2156 cmd.exe 122 PID 2156 wrote to memory of 3428 2156 cmd.exe 122 PID 2156 wrote to memory of 3428 2156 cmd.exe 122 -
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\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.exe"C:\Users\Admin\AppData\Local\Temp\604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3.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:2888 -
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:1280
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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:3584 -
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:4476
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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:556
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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:4620
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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:264 -
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:820
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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:1008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4440
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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:3020
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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:3216
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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:4300
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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:4168
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2800 -
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:2156 -
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:3428
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3932
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
MD50cd12ceb31f9fc53e1578cb60a21e263
SHA1310967e55217a70d3ceb4ffb96da6094fe1fc970
SHA2563ddc2540a87fafcd7b1a447b737a3bef994a2050de8dee314c0e63dd5fe0c74c
SHA512f6e4524ad1bdb237f3c8326df469a6e0f440c35328b1dce46c4c09a784a50829d75559fd28b0eb0ed34cb8ec6e57f89f1aceadfd6d4738c5d75b22d1803e9e8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5728c8ab11982e88bbbe0204b145c0524
SHA14a20f281e332f4c11f686cd9e66f95be6cc20f10
SHA25621423533bf9787699fd8c13c534ae52744910c1a22e974fd7438e521bbd96135
SHA512e335594d1113b2576fb580fedd70baecbea050411ed492a43d46634d3f0e6df6e838bf3e92833fde1e6842aa7a5fd9837e93f89dd34e96e6be45a9c828c6bc15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51978ce14975a57e9122141c0d4b9f5b0
SHA1d46b4b6fecf79cd8154a886b953729406a00c460
SHA256a30c5074fdf63a9f75672948a9187a5014bd12ff9abb7ff5fa5c4687864342b7
SHA512a3bcdb2b8ef2b519ce29e9d6ed3e6345ebff05fdc8b6290e75991489b902a8b2d8a1117f4e960a62ac8a652a24ef8206caacc92a96f1763bb9bcf6d754c8070c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51aff90fee5596ca42cc6001b3c60ccfd
SHA18964453193757e8ddaeee7fd7c1f9ad295a445d2
SHA25664a0698596baf9adf0e9d75bf7a2872a0c1ca973f5f040f24fb88f72d05be0ce
SHA512d829063caa12ab67fa012f8bc554924f1d58c3b39c62e7dd7afe4ba2a755c49cb9756f30152d845f933424d331585ada823b0f1ec470e3d59c42ca4353a61527
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df7df1a5d8500b797dae9a4877e02f79
SHA1b668f5a53bd10641b4df741b55aed31c7d815881
SHA2568aff84b18d73d93984df63a4e7b98e94722164aaf4864849f0fe0b451ee0a939
SHA51275fa5b1488c4bcf8bc14e0cdefed44741bc6a83872625dd95b7770148edbe1c6089409e394b305f013d6eba17d8b2a29a8bc431485da45fc5c856cbbb8c74e63
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Filesize
4.1MB
MD5fd9a845cee7cb461002ae885dee64b89
SHA14647ed87d3160075412de8f39c4e60fbbc2196d6
SHA256604db04c509705725a43a25bc1db9423c75367c41c988e1599d4169846ea33e3
SHA51219ec85ddf8c43f756137f121ee11da95316bca0887d486494eed2f95a74d4e67b66bf860bfd1bc29d675d29ec32c40df25209958c0e9dade807b1b4fc36eef5d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec