Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe
Resource
win10v2004-20240508-en
General
-
Target
4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe
-
Size
4.1MB
-
MD5
a792ffaf76a4aaf01eea83951e5c0854
-
SHA1
91693c41ad3dd50e9a92a16a36fb4ab15ff8ff5b
-
SHA256
4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd
-
SHA512
59859eadf126d313fe27e48d4742226d4d595013fdfd1f8f6a7be293d6724b7708f3df1697573ddd99716f26dc141ab946608156977dea1a8448a4db83036f4a
-
SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z83454:CLpT0YNaxn5wu5s59Y5
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1300-2-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/1300-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1300-76-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1300-105-0x00000000047D0000-0x00000000050BB000-memory.dmp family_glupteba behavioral1/memory/4152-134-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/1300-157-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4900-209-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-257-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-261-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-265-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4900-269-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3500 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4900 csrss.exe 920 injector.exe 1192 windefender.exe 876 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002344b-218.dat upx behavioral1/memory/1192-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/876-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/876-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/876-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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.
-
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\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 File created 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 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe File created C:\Windows\rss\csrss.exe 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.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 1652 sc.exe -
pid Process 4556 powershell.exe 4552 powershell.exe 2988 powershell.exe 5092 powershell.exe 1092 powershell.exe 2532 powershell.exe 792 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 2376 schtasks.exe 1036 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,-142 = "Canada Central Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-2001 = "Cabo Verde Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-231 = "Hawaiian Daylight Time" 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 4556 powershell.exe 4556 powershell.exe 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4552 powershell.exe 4552 powershell.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 2988 powershell.exe 2988 powershell.exe 5092 powershell.exe 5092 powershell.exe 1092 powershell.exe 1092 powershell.exe 2532 powershell.exe 2532 powershell.exe 792 powershell.exe 792 powershell.exe 4900 csrss.exe 4900 csrss.exe 4900 csrss.exe 4900 csrss.exe 4900 csrss.exe 4900 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4556 powershell.exe Token: SeDebugPrivilege 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Token: SeImpersonatePrivilege 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeDebugPrivilege 1092 powershell.exe Token: SeDebugPrivilege 2532 powershell.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeSystemEnvironmentPrivilege 4900 csrss.exe Token: SeSecurityPrivilege 1652 sc.exe Token: SeSecurityPrivilege 1652 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1300 wrote to memory of 4556 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 85 PID 1300 wrote to memory of 4556 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 85 PID 1300 wrote to memory of 4556 1300 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 85 PID 4152 wrote to memory of 4552 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 96 PID 4152 wrote to memory of 4552 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 96 PID 4152 wrote to memory of 4552 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 96 PID 4152 wrote to memory of 2248 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 100 PID 4152 wrote to memory of 2248 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 100 PID 2248 wrote to memory of 3500 2248 cmd.exe 102 PID 2248 wrote to memory of 3500 2248 cmd.exe 102 PID 4152 wrote to memory of 2988 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 103 PID 4152 wrote to memory of 2988 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 103 PID 4152 wrote to memory of 2988 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 103 PID 4152 wrote to memory of 5092 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 105 PID 4152 wrote to memory of 5092 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 105 PID 4152 wrote to memory of 5092 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 105 PID 4152 wrote to memory of 4900 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 107 PID 4152 wrote to memory of 4900 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 107 PID 4152 wrote to memory of 4900 4152 4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe 107 PID 4900 wrote to memory of 1092 4900 csrss.exe 108 PID 4900 wrote to memory of 1092 4900 csrss.exe 108 PID 4900 wrote to memory of 1092 4900 csrss.exe 108 PID 4900 wrote to memory of 2532 4900 csrss.exe 114 PID 4900 wrote to memory of 2532 4900 csrss.exe 114 PID 4900 wrote to memory of 2532 4900 csrss.exe 114 PID 4900 wrote to memory of 792 4900 csrss.exe 116 PID 4900 wrote to memory of 792 4900 csrss.exe 116 PID 4900 wrote to memory of 792 4900 csrss.exe 116 PID 4900 wrote to memory of 920 4900 csrss.exe 118 PID 4900 wrote to memory of 920 4900 csrss.exe 118 PID 1192 wrote to memory of 4432 1192 windefender.exe 126 PID 1192 wrote to memory of 4432 1192 windefender.exe 126 PID 1192 wrote to memory of 4432 1192 windefender.exe 126 PID 4432 wrote to memory of 1652 4432 cmd.exe 127 PID 4432 wrote to memory of 1652 4432 cmd.exe 127 PID 4432 wrote to memory of 1652 4432 cmd.exe 127 -
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
-
C:\Users\Admin\AppData\Local\Temp\4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe"C:\Users\Admin\AppData\Local\Temp\4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
-
-
C:\Users\Admin\AppData\Local\Temp\4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.exe"C:\Users\Admin\AppData\Local\Temp\4c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd.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:4152 -
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:4552
-
-
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:2248 -
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:3500
-
-
-
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:2988
-
-
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:5092
-
-
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:4900 -
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:1092
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2376
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3180
-
-
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:2532
-
-
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:792
-
-
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
PID:920
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1036
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1192 -
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:4432 -
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:1652
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:876
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a83d5cc6f71e5fd31412171bf19037b
SHA108ab0dfe38fb7302697caf8b14867291af163d46
SHA256c4e4664e62dfe53b58be42f5ca51f530dabe8f074e8dbbe8808b488b6a2c708d
SHA5122a292d2d4cd710c8dda9a7d8ccc531faceeb0da8708672a24569e97633e9cb7f5f69c792a72420b262afa3baba30c52f313e63bee6eba320788d9d738ec832d9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55dbdd2f3a93548b617b6575cd4744b7c
SHA1f1e872c5f64def0486f0858c44b682172489005c
SHA2568a6dbb27637aaf7651ff6a4d1efc3ffa18295f6372e65b34500708d1f07c4378
SHA512a1f232e8162b05b4fe755bed6f82f69a96f638fc559f768cfb9fff223dc14d01b65005097ac495ef8908283be1fe8d4df6108ea6994880be7f7ae0c7a15d7332
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4e30955889a4024c3afeb887955d14a
SHA1a63b21a993c52e73598c40f63b683615052c9b3c
SHA2560b708189eacbe138981b5792b3c4452cb51b58ca3904e771940295a3411f4d23
SHA512e7051a0d1414e378cf4cb30df9a0c5b4b277f6ab4623ca3fe64d163edd6d9824058792227339e35d20d3ec02e3518a649e8cecb42c339b52a79bfceb4ae70ecf
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b5118f5b1c1d740be1b790027944836
SHA18fa385d792e3ae4c9e2c0b7041a284702d7f3639
SHA256546c37e60dd46017d49ef3114c19f70ecb21295b7406fc2359134052e61866bf
SHA51234c53069d0810857e20b5c21c6fe8d5eba6d93141ba95e9e859671d7c40213e4e0fab118ef1f060611fa4a058ac832369d205b53d71a3eecac7c88f271115ea0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD566cb6ad30cecb4524caf7a70b5c2952b
SHA1525d703b77bc911581584b56fa64f7fe491edb64
SHA256603e23a5ee99f5d7d7a0166ba6828c1cab908e6965a6f78b6b7406022156a491
SHA512dfdde92bc938d668086c963fda8b5f23b8e58fa9b90601f60cae452a10f3dc22c2320e44aadae88f5f67553a9e7aed0d4c78e6d8cdae2484bb52e1b83bb4fe26
-
Filesize
4.1MB
MD5a792ffaf76a4aaf01eea83951e5c0854
SHA191693c41ad3dd50e9a92a16a36fb4ab15ff8ff5b
SHA2564c7f01787832770cbe464c7dd75cfd77c845bedd481ce9386dde8873547a7dbd
SHA51259859eadf126d313fe27e48d4742226d4d595013fdfd1f8f6a7be293d6724b7708f3df1697573ddd99716f26dc141ab946608156977dea1a8448a4db83036f4a
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec