Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe
Resource
win10v2004-20240508-en
General
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Target
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe
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Size
4.1MB
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MD5
6f3fed9266c233f373f10498cf57adbf
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SHA1
d2f4dd496637cb4ef8fde258e9284bcc4bd5ce4e
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SHA256
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a
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SHA512
5721f144afecc5522d6c0644a103299ef62153581f65281ce971eeb07393cab0cf63b7666597262e550338007386ff5f06c3ef211d519f619b34b5a00744a506
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gg:YC1IraEjIw04m/Xfo4a5yka2Q+gg
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4620-2-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral2/memory/4620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4620-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4620-46-0x0000000004D80000-0x000000000566B000-memory.dmp family_glupteba behavioral2/memory/4620-43-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1772-121-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-184-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-201-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-211-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-213-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4232-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4232 csrss.exe 4784 injector.exe 3184 windefender.exe 2732 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa19-204.dat upx behavioral2/memory/3184-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2732-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3184-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2732-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2732-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe File created C:\Windows\rss\csrss.exe 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe File created 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 3960 sc.exe -
pid Process 224 powershell.exe 2800 powershell.exe 2976 powershell.exe 2880 powershell.exe 3280 powershell.exe 612 powershell.exe 4904 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 5032 2800 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3160 schtasks.exe 2604 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.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,-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,-512 = "Central Asia Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.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,-12 = "Azores Standard 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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2800 powershell.exe 2800 powershell.exe 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 2976 powershell.exe 2976 powershell.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 2880 powershell.exe 2880 powershell.exe 3280 powershell.exe 3280 powershell.exe 612 powershell.exe 612 powershell.exe 4904 powershell.exe 4904 powershell.exe 224 powershell.exe 224 powershell.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4232 csrss.exe 4232 csrss.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4232 csrss.exe 4232 csrss.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4232 csrss.exe 4232 csrss.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe 4784 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Token: SeImpersonatePrivilege 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeDebugPrivilege 612 powershell.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeSystemEnvironmentPrivilege 4232 csrss.exe Token: SeSecurityPrivilege 3960 sc.exe Token: SeSecurityPrivilege 3960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4620 wrote to memory of 2800 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 83 PID 4620 wrote to memory of 2800 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 83 PID 4620 wrote to memory of 2800 4620 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 83 PID 1772 wrote to memory of 2976 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 91 PID 1772 wrote to memory of 2976 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 91 PID 1772 wrote to memory of 2976 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 91 PID 1772 wrote to memory of 4316 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 93 PID 1772 wrote to memory of 4316 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 93 PID 4316 wrote to memory of 3908 4316 cmd.exe 95 PID 4316 wrote to memory of 3908 4316 cmd.exe 95 PID 1772 wrote to memory of 2880 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 96 PID 1772 wrote to memory of 2880 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 96 PID 1772 wrote to memory of 2880 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 96 PID 1772 wrote to memory of 3280 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 98 PID 1772 wrote to memory of 3280 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 98 PID 1772 wrote to memory of 3280 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 98 PID 1772 wrote to memory of 4232 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 100 PID 1772 wrote to memory of 4232 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 100 PID 1772 wrote to memory of 4232 1772 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 100 PID 4232 wrote to memory of 612 4232 csrss.exe 101 PID 4232 wrote to memory of 612 4232 csrss.exe 101 PID 4232 wrote to memory of 612 4232 csrss.exe 101 PID 4232 wrote to memory of 4904 4232 csrss.exe 106 PID 4232 wrote to memory of 4904 4232 csrss.exe 106 PID 4232 wrote to memory of 4904 4232 csrss.exe 106 PID 4232 wrote to memory of 224 4232 csrss.exe 109 PID 4232 wrote to memory of 224 4232 csrss.exe 109 PID 4232 wrote to memory of 224 4232 csrss.exe 109 PID 4232 wrote to memory of 4784 4232 csrss.exe 111 PID 4232 wrote to memory of 4784 4232 csrss.exe 111 PID 3184 wrote to memory of 3272 3184 windefender.exe 117 PID 3184 wrote to memory of 3272 3184 windefender.exe 117 PID 3184 wrote to memory of 3272 3184 windefender.exe 117 PID 3272 wrote to memory of 3960 3272 cmd.exe 118 PID 3272 wrote to memory of 3960 3272 cmd.exe 118 PID 3272 wrote to memory of 3960 3272 cmd.exe 118 -
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\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 21243⤵
- Program crash
PID:5032
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C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.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:1772 -
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:2976
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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:4316 -
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:3908
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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:2880
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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:3280
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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:4232 -
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:612
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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:3160
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4008
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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:4904
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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:224
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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:4784
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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:2604
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3184 -
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:3272 -
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:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2800 -ip 28001⤵PID:764
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2732
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6329fa767d3a581d9578971398a4460
SHA1c671c93cefc4b780a88f2f70b36adee326a7375b
SHA25676b83ce349f1500ed9e005c2379bacb10eaa81b8fcd3a2228e1a9b8f95f32e27
SHA512fc0833e6afb5e8bd9795b55c854764ffeb3b858627907b3f8ec106f57cf9c39a9583b94c191a33737cdccc2ff23881155b0dff3bba24e3fc32201998fb159ca0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5087ffd6a7dc81db4d7bea6d152ac95b3
SHA121c2562432fdbddfde80111f4b7d2694cd730c56
SHA256612f9c88277d8d21b8841dc128f22f3f7f2a4da9dd04b83758d8a9804cf6b0b4
SHA5120e368bd71c9a536bd861f2d1e3b914763e1b4291c72383ea017666e1a30885b2d68e34a6681c79fc28054bae2482bed89edfdfd781682c76d27b9842eef4cb73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b83df4fd773b9546e4271e765ee33e2c
SHA1d3d8294639e2d815ade127bb19aff33138c98d4d
SHA256fa649b4516ee4946be26433048fec950ffed757dd13c26ac5de23bfe2e3eaa4c
SHA512c01b566d3e464eabfb954ce9c8e120fded70c941a36b8c168187767fb77c2c9e12eca69bd15b86bc23b03a45c8149aa1eddfe022d321ae5c2c51512a77fdd01b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5570e9112d1ca96cf25da4b95df153fb6
SHA19e8d55bea653915925aa7c53b75419980f300733
SHA256beed6f62556c9d48ed17f383e82b58c9bb1393d669c8f8964375fb15fdd32e2c
SHA5124f2a47089c68ee3a8420ddb1ae56ac391eaceb2166f37143e603454661d0ee48f004d6ec62806f918855f60dd649b35618978b961343af88f002ce5fb7d8a9ac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572b475825106eddaa048a77f44f37530
SHA113ff69a91586dc3295e6e449e446726c2ec29e5d
SHA2564687e17c5f20c13c7825411cd6dd9914d8d9f6d8d2cc0e0d5a56e14d1eaf4f1b
SHA5128072b054d72cc9cfed01e8e13921d7d2227069a75d5f2d09dba5971991bd96cdeb9fdf7df96ec708488bcb6e7461aa351a186236bcaf75dcdf539f01d7a05165
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Filesize
4.1MB
MD56f3fed9266c233f373f10498cf57adbf
SHA1d2f4dd496637cb4ef8fde258e9284bcc4bd5ce4e
SHA2568a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a
SHA5125721f144afecc5522d6c0644a103299ef62153581f65281ce971eeb07393cab0cf63b7666597262e550338007386ff5f06c3ef211d519f619b34b5a00744a506
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec