Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
01/05/2024, 10:14
Static task
static1
Behavioral task
behavioral1
Sample
f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe
Resource
win7-20231129-en
General
-
Target
f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe
-
Size
4.1MB
-
MD5
377ae2a5c020b620f00b1b25e5cc335b
-
SHA1
7840a95959799191ac8230f5660649fc1c5eead9
-
SHA256
f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec
-
SHA512
92b86acd980eabc33d129fa293569ef34e03a18721f60f62987017261995c24ca94d2b7d077508179b33bd0f2b38fa54cf1c59724c3dfc4a98b3b50f354dc836
-
SSDEEP
98304:XnLDm1XoLdMR8t8Rupb9uumF9S8JB25VPPQ2VTa74pIHCaeX:XfE4ht8Q1UumFLAPQ2VTFpIiai
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1108-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/1108-3-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1108-4-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1108-57-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/1108-59-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/3276-69-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/3276-138-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-140-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-221-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-232-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-238-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-241-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-244-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-247-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-250-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4632-253-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2444 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4632 csrss.exe 696 injector.exe 620 windefender.exe 2352 windefender.exe -
resource yara_rule behavioral2/files/0x000b000000023bb3-224.dat upx behavioral2/memory/620-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/620-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2352-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-3411335054-1982420046-2118495756-1000\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 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe File created C:\Windows\rss\csrss.exe f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.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 3532 sc.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 4400 schtasks.exe 4460 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.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,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.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\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk 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" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.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\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 748 powershell.exe 748 powershell.exe 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 4708 powershell.exe 4708 powershell.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 2336 powershell.exe 2336 powershell.exe 1376 powershell.exe 1376 powershell.exe 1828 powershell.exe 1828 powershell.exe 1128 powershell.exe 1128 powershell.exe 1588 powershell.exe 1588 powershell.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 4632 csrss.exe 4632 csrss.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 4632 csrss.exe 4632 csrss.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 4632 csrss.exe 4632 csrss.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe 696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 748 powershell.exe Token: SeDebugPrivilege 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Token: SeImpersonatePrivilege 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeSystemEnvironmentPrivilege 4632 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1108 wrote to memory of 748 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 95 PID 1108 wrote to memory of 748 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 95 PID 1108 wrote to memory of 748 1108 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 95 PID 3276 wrote to memory of 4708 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 100 PID 3276 wrote to memory of 4708 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 100 PID 3276 wrote to memory of 4708 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 100 PID 3276 wrote to memory of 2100 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 103 PID 3276 wrote to memory of 2100 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 103 PID 2100 wrote to memory of 2444 2100 cmd.exe 105 PID 2100 wrote to memory of 2444 2100 cmd.exe 105 PID 3276 wrote to memory of 2336 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 106 PID 3276 wrote to memory of 2336 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 106 PID 3276 wrote to memory of 2336 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 106 PID 3276 wrote to memory of 1376 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 108 PID 3276 wrote to memory of 1376 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 108 PID 3276 wrote to memory of 1376 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 108 PID 3276 wrote to memory of 4632 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 111 PID 3276 wrote to memory of 4632 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 111 PID 3276 wrote to memory of 4632 3276 f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe 111 PID 4632 wrote to memory of 1828 4632 csrss.exe 112 PID 4632 wrote to memory of 1828 4632 csrss.exe 112 PID 4632 wrote to memory of 1828 4632 csrss.exe 112 PID 4632 wrote to memory of 1128 4632 csrss.exe 118 PID 4632 wrote to memory of 1128 4632 csrss.exe 118 PID 4632 wrote to memory of 1128 4632 csrss.exe 118 PID 4632 wrote to memory of 1588 4632 csrss.exe 120 PID 4632 wrote to memory of 1588 4632 csrss.exe 120 PID 4632 wrote to memory of 1588 4632 csrss.exe 120 PID 4632 wrote to memory of 696 4632 csrss.exe 122 PID 4632 wrote to memory of 696 4632 csrss.exe 122 PID 620 wrote to memory of 4084 620 windefender.exe 128 PID 620 wrote to memory of 4084 620 windefender.exe 128 PID 620 wrote to memory of 4084 620 windefender.exe 128 PID 4084 wrote to memory of 3532 4084 cmd.exe 129 PID 4084 wrote to memory of 3532 4084 cmd.exe 129 PID 4084 wrote to memory of 3532 4084 cmd.exe 129 -
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\f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe"C:\Users\Admin\AppData\Local\Temp\f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:748
-
-
C:\Users\Admin\AppData\Local\Temp\f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.exe"C:\Users\Admin\AppData\Local\Temp\f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec.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:3276 -
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:4708
-
-
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:2100 -
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:2444
-
-
-
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:2336
-
-
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:1376
-
-
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:4632 -
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:1828
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4400
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3364
-
-
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:1128
-
-
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:1588
-
-
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:696
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4460
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:620 -
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:4084 -
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:3532
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2352
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
MD5212eb862dc03aab441b2d4b78e3979ac
SHA191061e8d4ace480ab1f286c4500f32c5854e5259
SHA2566ecf8ffcf8fb30d5c523c96ba0b2ade59c6de74d8a96a16a411236b827d8cdb4
SHA51264540978ce992d9e7d3db03402111274bd5a9edb0e0f8a059e457dae00593a161b71fb83344d48b9cccefac19e558f2b878343a5bc60a7a7dcead4cd292122b8
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb8921fc18fdbb45a84a88b013add12e
SHA143dd5578233f92ace6c298f6981bc522a41764b6
SHA25659c2f82a1be40b169649c35d798f68d683f34f37e34891e9a9518b050bbb423d
SHA5126c19dd6d26a569df94588b7886dc425df378cbf8662b4906c3a8d350448e71fd0e02b0e1771918b9d161a4977b1b701e75368a180bf57be09305a667cf0ca703
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5676ea9e7586bf2d3b8f75fbbf681d495
SHA1ba22317662a1ffe12277a9d71ff284cf6690a8ee
SHA25651d831f724f4c0a675448a9ae0230fbdec37ae56ef76fe4a2c77a31ced48d446
SHA51267e7401439cb9c8cec3cd3828e0944fb222403569797e02a02e547afbd6f1531748eab4b8e936e79da2f58f5f18a90bd1527c765e8b4d78f871756e1cb1dc83f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5984bfa657a6e032a562bf61f6f22e40e
SHA1e48396d1f6a0a4546b0d19d87f9da7acb0f72c61
SHA256599cf09d22b526dcc1839535f0f3e00e1225fe1cba207d01f9710be21a908fec
SHA5124aaec3bb889bfe6dea37de5d6d0eb20646bf5345faed90e59644269afa9ff48c2f4542207f37b5cf7be4c6e633bc21ecd8f4ff6c270dcba71e5de7e2b9614875
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578348b521577cb4b68b55c2d08f7b514
SHA1c6bf8efef0f81720720efad6ffd32170ed15eb5a
SHA2562eac96a1ce589cd77761ac4023613ecd7b28008fa3cedb32f55a4023a6c39c20
SHA512018efb8a983ad1cee6197d8de131a119c8fb61d401186f3151b7db7015421fa4ae3e3b95a728eb5af9ecd61825a400724611254c9d1e3b6b8da8debec79a08f2
-
Filesize
4.1MB
MD5377ae2a5c020b620f00b1b25e5cc335b
SHA17840a95959799191ac8230f5660649fc1c5eead9
SHA256f89716a461f0522dc4ecbbb42b0dd1929d1a4845f8def6d4b0a1c2272313e7ec
SHA51292b86acd980eabc33d129fa293569ef34e03a18721f60f62987017261995c24ca94d2b7d077508179b33bd0f2b38fa54cf1c59724c3dfc4a98b3b50f354dc836
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec