Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 07:14
Static task
static1
Behavioral task
behavioral1
Sample
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe
Resource
win10v2004-20240426-en
General
-
Target
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe
-
Size
4.1MB
-
MD5
b0a30015099852359b4a44a6a6cea925
-
SHA1
c107c5755965ed697e5818bcec71136cd5838c36
-
SHA256
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668
-
SHA512
fa9baa336b37cf818a2d46bb5de89848f7981994080ec2f5a697e74bfd1a36e1669eda3c04fea485e0f8ef5fe226f499f91a49b6b3bbd3754a03737506358920
-
SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLL:bIU7SlV8K2X2AhEHFgekcM
Malware Config
Signatures
-
Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/5044-2-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5044-48-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/5044-50-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/5044-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3156-76-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3156-124-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-199-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-208-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-210-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-215-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-222-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-227-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-230-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/2152-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4892 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 2152 csrss.exe 1448 injector.exe 2700 windefender.exe 4284 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2700-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2700-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4284-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4284-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe -
Drops file in Windows directory 4 IoCs
Processes:
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2240 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3176 powershell.exe 2796 powershell.exe 332 powershell.exe 1236 powershell.exe 5032 powershell.exe 4532 powershell.exe 1628 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3948 schtasks.exe 2016 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.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\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.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,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exepowershell.exe6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5032 powershell.exe 5032 powershell.exe 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 4532 powershell.exe 4532 powershell.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe 1628 powershell.exe 1628 powershell.exe 3176 powershell.exe 3176 powershell.exe 2796 powershell.exe 2796 powershell.exe 332 powershell.exe 332 powershell.exe 1236 powershell.exe 1236 powershell.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 2152 csrss.exe 2152 csrss.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 2152 csrss.exe 2152 csrss.exe 1448 injector.exe 1448 injector.exe 2152 csrss.exe 2152 csrss.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe 1448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Token: SeImpersonatePrivilege 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeDebugPrivilege 3176 powershell.exe Token: SeDebugPrivilege 2796 powershell.exe Token: SeDebugPrivilege 332 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeSystemEnvironmentPrivilege 2152 csrss.exe Token: SeSecurityPrivilege 2240 sc.exe Token: SeSecurityPrivilege 2240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5044 wrote to memory of 5032 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 5044 wrote to memory of 5032 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 5044 wrote to memory of 5032 5044 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 4532 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 4532 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 4532 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 3008 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe cmd.exe PID 3156 wrote to memory of 3008 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe cmd.exe PID 3008 wrote to memory of 4892 3008 cmd.exe netsh.exe PID 3008 wrote to memory of 4892 3008 cmd.exe netsh.exe PID 3156 wrote to memory of 1628 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 1628 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 1628 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 3176 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 3176 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 3176 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe powershell.exe PID 3156 wrote to memory of 2152 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe csrss.exe PID 3156 wrote to memory of 2152 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe csrss.exe PID 3156 wrote to memory of 2152 3156 6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe csrss.exe PID 2152 wrote to memory of 2796 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 2796 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 2796 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 332 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 332 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 332 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 1236 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 1236 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 1236 2152 csrss.exe powershell.exe PID 2152 wrote to memory of 1448 2152 csrss.exe injector.exe PID 2152 wrote to memory of 1448 2152 csrss.exe injector.exe PID 2700 wrote to memory of 984 2700 windefender.exe cmd.exe PID 2700 wrote to memory of 984 2700 windefender.exe cmd.exe PID 2700 wrote to memory of 984 2700 windefender.exe cmd.exe PID 984 wrote to memory of 2240 984 cmd.exe sc.exe PID 984 wrote to memory of 2240 984 cmd.exe sc.exe PID 984 wrote to memory of 2240 984 cmd.exe sc.exe -
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\6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe"C:\Users\Admin\AppData\Local\Temp\6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.exe"C:\Users\Admin\AppData\Local\Temp\6d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668.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:3156 -
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:4532 -
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:3008 -
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:4892 -
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:1628 -
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:3176 -
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:2152 -
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:2796 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3948 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1392
-
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:332 -
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:1236 -
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:1448 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2016 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2700 -
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:984 -
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:2240
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4284
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586aeefc9f54360f6ebc23cfc3c41fc9a
SHA17e46b1c95db0d20b825c308be7a596b43aa39239
SHA256f2af795d488a22701e85a1eacb9c5158a91bd3b9ab08b6d6fccb6d6f708da86f
SHA5125336c17b9c36f186f06fe9078648cffbf3a362c4c9e975176a391c24b39989cf3262872da4354a1e0e6dfa914c19b353e5ccd5341032063056060935fb6d8f10
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cff9af9c8b89fca24b6633f226155efc
SHA1c5fb8fd865cd3b195a8a83a024448e37e55453c9
SHA256409c662ce3fa4028461f82bf9b4b1ec5de2a41b2ebe7031eb0baf00a77e8c00a
SHA5120501132743e5ae353e46ed4e6e12d8be887e44f2dabd1fc123a10b2785e22ee4634f2c9a8aaf9f19ee01e0aa228d254b90c7845eb363e3974a0dfb39e73b65fd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569e7dcaac0277012bf27bc7d0aed8186
SHA11d940f6786f5d17a5ee56aede6a3960d6edea49f
SHA256abb3b6b9d5b7154e7454217661bde22e08c403549283c5ebaa69fc40d9c1099f
SHA5128db480e7ee97495b02159e159b97b502fe914e5510e355062182458a20e7a18ccdb6ee88211d6d33e6657699340d262c5f8436f7d9cb921ac7f6c7576932411d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec86bdd0c2e6bc786cd19392c415f718
SHA1f3bfce05d9137a674a458662122b4e1795098715
SHA25687b6ba2314758e7684e99360d01cac8a0a3cdd8145f4301a6807071daadf41e0
SHA512f7a3b2c33d939cc109dce7762bd746b1daceaa1eb3a6e9308c1b201d4ecf622937a03ae1dd0c5a4794da2290b4f1a9c152e34d8317ad4339f1c974265a498470
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572bf2c64e30fcc3217f42b4b30e0ca43
SHA1b7c91388c54cb41843b781a91320ec64d8f9c933
SHA256bd37cda7c606f838fe8d8ef6ef316b022fc57625ec37e482f9be4b79846073d1
SHA512fe8aa1d5d8baeb15f0b1cee447c69602becf9930479ad5a4fc69f53456eeb1452d53feb0ee89e031bd36c0901bafc878d5163ff999323f64eb90aad6d8cdc744
-
Filesize
4.1MB
MD5b0a30015099852359b4a44a6a6cea925
SHA1c107c5755965ed697e5818bcec71136cd5838c36
SHA2566d7ec59de31559ea511c57dfe4242d7ccaab88fe9560cd36d785dce5edef6668
SHA512fa9baa336b37cf818a2d46bb5de89848f7981994080ec2f5a697e74bfd1a36e1669eda3c04fea485e0f8ef5fe226f499f91a49b6b3bbd3754a03737506358920
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec