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Analysis
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max time kernel
150s -
max time network
134s -
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, 01:41
Static task
static1
Behavioral task
behavioral1
Sample
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe
Resource
win10v2004-20240508-en
General
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Target
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe
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Size
4.1MB
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MD5
633df9eea0ad9935fe8b70077ed71d8d
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SHA1
89258132be362a5e60590fdd0eaffdc08eb2c7a3
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SHA256
4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56
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SHA512
1519c7f1563ff037080cccaf05b53d4436275bafe62ab65454d698a01309f805d0b164b1607377b18c2dccd450aeea4e555c3e52ccf2bb670ee712d4e6c1c673
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SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345S:CLpT0YNaxn5wu5s59YH
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2040-2-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/2040-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2040-80-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/2040-79-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2040-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2904-131-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2904-208-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-209-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-218-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-230-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-234-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-250-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-257-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-261-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4820-266-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3496 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4820 csrss.exe 2736 injector.exe 2640 windefender.exe 4464 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233df-221.dat upx behavioral1/memory/2640-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2640-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4464-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4464-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 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 -
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 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4372 sc.exe -
pid Process 3928 powershell.exe 1012 powershell.exe 3164 powershell.exe 3052 powershell.exe 2156 powershell.exe 2352 powershell.exe 4708 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 2332 schtasks.exe 1920 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,-1801 = "Line Islands Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard 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" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard 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,-449 = "Azerbaijan Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard 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" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India 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,-541 = "Myanmar Daylight Time" windefender.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight 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,-12 = "Azores Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4708 powershell.exe 4708 powershell.exe 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 3928 powershell.exe 3928 powershell.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 1012 powershell.exe 1012 powershell.exe 3164 powershell.exe 3164 powershell.exe 3052 powershell.exe 3052 powershell.exe 2156 powershell.exe 2156 powershell.exe 2352 powershell.exe 2352 powershell.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 4820 csrss.exe 4820 csrss.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 4820 csrss.exe 4820 csrss.exe 2736 injector.exe 2736 injector.exe 4820 csrss.exe 4820 csrss.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe 2736 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Token: SeImpersonatePrivilege 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 2352 powershell.exe Token: SeSystemEnvironmentPrivilege 4820 csrss.exe Token: SeSecurityPrivilege 4372 sc.exe Token: SeSecurityPrivilege 4372 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2040 wrote to memory of 4708 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 85 PID 2040 wrote to memory of 4708 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 85 PID 2040 wrote to memory of 4708 2040 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 85 PID 2904 wrote to memory of 3928 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 2904 wrote to memory of 3928 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 2904 wrote to memory of 3928 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 93 PID 2904 wrote to memory of 2200 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 96 PID 2904 wrote to memory of 2200 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 96 PID 2200 wrote to memory of 3496 2200 cmd.exe 98 PID 2200 wrote to memory of 3496 2200 cmd.exe 98 PID 2904 wrote to memory of 1012 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 100 PID 2904 wrote to memory of 1012 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 100 PID 2904 wrote to memory of 1012 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 100 PID 2904 wrote to memory of 3164 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 102 PID 2904 wrote to memory of 3164 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 102 PID 2904 wrote to memory of 3164 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 102 PID 2904 wrote to memory of 4820 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 104 PID 2904 wrote to memory of 4820 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 104 PID 2904 wrote to memory of 4820 2904 4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe 104 PID 4820 wrote to memory of 3052 4820 csrss.exe 105 PID 4820 wrote to memory of 3052 4820 csrss.exe 105 PID 4820 wrote to memory of 3052 4820 csrss.exe 105 PID 4820 wrote to memory of 2156 4820 csrss.exe 111 PID 4820 wrote to memory of 2156 4820 csrss.exe 111 PID 4820 wrote to memory of 2156 4820 csrss.exe 111 PID 4820 wrote to memory of 2352 4820 csrss.exe 113 PID 4820 wrote to memory of 2352 4820 csrss.exe 113 PID 4820 wrote to memory of 2352 4820 csrss.exe 113 PID 4820 wrote to memory of 2736 4820 csrss.exe 116 PID 4820 wrote to memory of 2736 4820 csrss.exe 116 PID 2640 wrote to memory of 2412 2640 windefender.exe 122 PID 2640 wrote to memory of 2412 2640 windefender.exe 122 PID 2640 wrote to memory of 2412 2640 windefender.exe 122 PID 2412 wrote to memory of 4372 2412 cmd.exe 123 PID 2412 wrote to memory of 4372 2412 cmd.exe 123 PID 2412 wrote to memory of 4372 2412 cmd.exe 123 -
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\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.exe"C:\Users\Admin\AppData\Local\Temp\4545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56.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:2904 -
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:3928
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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:2200 -
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:3496
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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:1012
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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:3164
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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:4820 -
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:3052
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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:2332
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1560
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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:2156
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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:2352
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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:2736
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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:1920
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2640 -
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:2412 -
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:4372
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4464
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa78c405f57e9e5c1714ffd9969460b0
SHA1a8fb9615e24f086686701854f32a90abfec7592c
SHA256172ea0cb8d4d80e298b3e2bffb209e90180d06860e28fbf5f0ca3f06cafb4eab
SHA51229d59dab22d2c8a7943c9e7a621d401fe9c63737f42ba005939fc9148efec897ee225765a9ac05d31e2f2310b53b40744f36c46b5f64d8274dd87e29dd3a834f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d996df9549fdd1a3f510bae12bd32fd3
SHA116c500ad3ce7ac3571895ace066aa641ed417753
SHA2562efa079a9eb4f9baf0f6134a0aef436d404bf1e0d975349c0fa969d66b603469
SHA512d7d6fc49e5eccbc6ce0615c729397bd80848c894c70e5af5c21cd00f2660d45a9cb24e9d78c2e20521ffa12a3eda11396b38bae91c2229cdf5dce5bcf3bd61bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f76451b7181d72153259128d327bb8ef
SHA1ab58ed5eb7afd8a0ba99f4028c2d6cc6a1da8ea0
SHA256b7b61645baa632e7b7255a9bd4c6e00d7e71c67db3079d8f2e3b17055d2f6e93
SHA5127f8ee843d32633e88adea885895ea03bc102312e43e78f9d5445923fcaf891c6b95196a697d09e36ec625b4f483c5669967e0b5de78fd023011bd5b7b51b5e62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d66aff747fe30221994d30dc05b833c
SHA12672786067eae8e09afd97ecba601c25a8a18ceb
SHA2565b9ccc38d357b8699171d5a6ba62d470c772b7d933375b99c99d58e43b1cde33
SHA51235302548fee5f9a9b7d3aa98222892a1584d91a7ec6d650629fec24c6e5f9e41a557170848b4add8e473e2504f468d01202136d0ea2a67da29d3f80a2052b978
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5064ef51e17976e1d2c12b142c401bd34
SHA173cfa5ac270d324b2275b9d900571fb558162afa
SHA256c4ba83445f5566e86e5a4a0ac62b2bbb83c0b6c549b82fd09cadf13eba7b5e11
SHA512a60b86df1cdcc496fffb64575d92674bef89445a673696aa6dec476920e7098ba71d5cc477600cc1c158ddc6efdcb3b31514a3e42f19757a2f96dbe3c1dc9a88
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Filesize
4.1MB
MD5633df9eea0ad9935fe8b70077ed71d8d
SHA189258132be362a5e60590fdd0eaffdc08eb2c7a3
SHA2564545167b9230684b6024454d9915dc7d06f0682ae2a127deb26dd16069498c56
SHA5121519c7f1563ff037080cccaf05b53d4436275bafe62ab65454d698a01309f805d0b164b1607377b18c2dccd450aeea4e555c3e52ccf2bb670ee712d4e6c1c673
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec