Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe
Resource
win10v2004-20240412-en
General
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Target
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe
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Size
4.2MB
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MD5
d555a8931b9e996eef75ee0bf5185a74
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SHA1
85bbdc0f336f3d2ca8de2559a6a7d4fd454f9b24
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SHA256
6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a
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SHA512
1bfcf9be143d75574e0393b0489c3b1f7c53bcb27c4df9c1a52715394ef2695b276cf1f75d60d99159ddae9556568658c2521f5a9e620ee432eb246f99d7a9d5
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SSDEEP
98304:f/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfG9:XdVQtLoTZDg5GO9BqlcV
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1688-2-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral1/memory/1688-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1688-45-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4496-47-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral1/memory/1688-48-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral1/memory/4496-49-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4496-140-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4496-150-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2872-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3268 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2872 csrss.exe 2388 injector.exe 4404 windefender.exe 3828 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002341a-255.dat upx behavioral1/memory/4404-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3828-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3828-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 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 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe File created C:\Windows\rss\csrss.exe 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.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 3188 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3400 4196 WerFault.exe 90 5032 1688 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5060 schtasks.exe 4240 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4196 powershell.exe 4196 powershell.exe 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 1944 powershell.exe 1944 powershell.exe 1944 powershell.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 1540 powershell.exe 1540 powershell.exe 1540 powershell.exe 2996 powershell.exe 2996 powershell.exe 2996 powershell.exe 2740 powershell.exe 2740 powershell.exe 2740 powershell.exe 4340 powershell.exe 4340 powershell.exe 4340 powershell.exe 2744 powershell.exe 2744 powershell.exe 2744 powershell.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2872 csrss.exe 2872 csrss.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2872 csrss.exe 2872 csrss.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2872 csrss.exe 2872 csrss.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe 2388 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Token: SeImpersonatePrivilege 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe Token: SeDebugPrivilege 1944 powershell.exe Token: SeDebugPrivilege 1540 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeSystemEnvironmentPrivilege 2872 csrss.exe Token: SeSecurityPrivilege 3188 sc.exe Token: SeSecurityPrivilege 3188 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1688 wrote to memory of 4196 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 90 PID 1688 wrote to memory of 4196 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 90 PID 1688 wrote to memory of 4196 1688 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 90 PID 4496 wrote to memory of 1944 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 100 PID 4496 wrote to memory of 1944 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 100 PID 4496 wrote to memory of 1944 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 100 PID 4496 wrote to memory of 408 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 102 PID 4496 wrote to memory of 408 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 102 PID 408 wrote to memory of 3268 408 cmd.exe 104 PID 408 wrote to memory of 3268 408 cmd.exe 104 PID 4496 wrote to memory of 1540 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 105 PID 4496 wrote to memory of 1540 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 105 PID 4496 wrote to memory of 1540 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 105 PID 4496 wrote to memory of 2996 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 124 PID 4496 wrote to memory of 2996 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 124 PID 4496 wrote to memory of 2996 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 124 PID 4496 wrote to memory of 2872 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 112 PID 4496 wrote to memory of 2872 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 112 PID 4496 wrote to memory of 2872 4496 6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe 112 PID 2872 wrote to memory of 2740 2872 csrss.exe 113 PID 2872 wrote to memory of 2740 2872 csrss.exe 113 PID 2872 wrote to memory of 2740 2872 csrss.exe 113 PID 2872 wrote to memory of 4340 2872 csrss.exe 122 PID 2872 wrote to memory of 4340 2872 csrss.exe 122 PID 2872 wrote to memory of 4340 2872 csrss.exe 122 PID 2872 wrote to memory of 2744 2872 csrss.exe 125 PID 2872 wrote to memory of 2744 2872 csrss.exe 125 PID 2872 wrote to memory of 2744 2872 csrss.exe 125 PID 2872 wrote to memory of 2388 2872 csrss.exe 128 PID 2872 wrote to memory of 2388 2872 csrss.exe 128 PID 4404 wrote to memory of 892 4404 windefender.exe 135 PID 4404 wrote to memory of 892 4404 windefender.exe 135 PID 4404 wrote to memory of 892 4404 windefender.exe 135 PID 892 wrote to memory of 3188 892 cmd.exe 136 PID 892 wrote to memory of 3188 892 cmd.exe 136 PID 892 wrote to memory of 3188 892 cmd.exe 136 -
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\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4196 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 26443⤵
- Program crash
PID:3400
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C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.exe"C:\Users\Admin\AppData\Local\Temp\6864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a.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:4496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1944
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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:408 -
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:3268
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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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:2872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740
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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:5060
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2248
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4340
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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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:2388
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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:4240
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4404 -
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:892 -
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:3188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 6522⤵
- Program crash
PID:5032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4196 -ip 41961⤵PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1688 -ip 16881⤵PID:1536
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:2996
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3828
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
MD5671fb20487da8d42aa9a08b02fc24bb8
SHA1122234b5d601523f26059dc0c26675e567d8127b
SHA256ed1f9146870c2f56e342891be5796e0d0ffa1cffc2ecd078a664868197d67ab7
SHA512c5080bf90565cb5aa375eb4a613f4a10138b01fa9bd37cc627cacc833433c01241041ad4b84c3119a3a086865ff82a85328eaf601a5ce0a73354c4c9ee578f3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59289f46f92112c78221878b72610a520
SHA1da0fc2c46c9b390bc4f1c9907284034002e1de90
SHA256b68f316f855c5ca6108e422fe862acff35d5b34bd4846f62b969a0cf31ae160e
SHA512a379dab26749a43dc7af8da0fd47cbe69a1abb38052a3650be57a55fd5273d449839cf493219b72d7f622112aab2524460a2fd06fc44432d85c9d385778ac458
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f122a24dc0f8d5a38ed64fe483bd7ff
SHA1e339bfd2c41119fa7c1adb7b7de9ae382de4e7ee
SHA256977fc4520f344e8e74c9f11b8342dd5efe10f2aa0ff518b4c41fcb0eea02416c
SHA512efbde439caf8363ce43b9eaf42a11de7887d07d3ce2877ec759c79b07b59a40a1501a2b13dd969add82f5ad915fe166d768c85a65337301339acdf33d1eb794f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d934fc9526c00d560f0c7263b50f716f
SHA1562d2a4783edd0779619573881f0849f4ac0ad4b
SHA2568a943e6b1217045d7a6e3f2e9ba90c53f6b7df2ee21502dd109810f1f491111f
SHA512d4403d3427b853fcf8f021a472a9170b0c142e58f5aed155cda6d38bb2a334f05626bd80a6d8588352ae14bec58868a94329dcedc59a3d3c7027f46c227099e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572c219fe66d51572698aff046c0c9377
SHA12343f9956887923c0ba3e21e1848b7db1136732d
SHA256ac11d01542f9d03c2b5fa25e028924cda0f9f6fb8cb0ba0a89b8b9154d48ee23
SHA512149cb82d2626f396431b86b66b012e038eee5f5f2a20438041ca7efd80781a1105c68aa490e7005ac641f46fe47392cced95218d793c2f7ae04bce0ac87c7993
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Filesize
4.2MB
MD5d555a8931b9e996eef75ee0bf5185a74
SHA185bbdc0f336f3d2ca8de2559a6a7d4fd454f9b24
SHA2566864dc60d14c7396c4949d994a7f41f62bca70d9aa1a2fc0400920df914f0d5a
SHA5121bfcf9be143d75574e0393b0489c3b1f7c53bcb27c4df9c1a52715394ef2695b276cf1f75d60d99159ddae9556568658c2521f5a9e620ee432eb246f99d7a9d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec