Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:14
Static task
static1
Behavioral task
behavioral1
Sample
b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe
Resource
win10v2004-20240508-en
General
-
Target
b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe
-
Size
4.1MB
-
MD5
c8cd3c13fa88f66e4d523ab8c59f8568
-
SHA1
754faf94f6b811135a6d1a99b0281d058ec71928
-
SHA256
b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3
-
SHA512
3e01f3ec60763d040ac6858773d15179474be7bdce902ca152ee4e3d7d340f8fd7f27018762956c48a9b9c4951d521e9e7f14f4984346c4dd814bf11ac33a2d8
-
SSDEEP
49152:NP14wFe484iHbTFG8DZqgckdbbON2ATnCITQMciPqrNkjunhZbPMRZB6Unk18Ier:dH84inFrgm9NzwRsNe0ZFLetRCG66
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/960-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/960-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/960-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/960-76-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3576-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3576-163-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-176-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-191-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3840 csrss.exe 3880 injector.exe 384 windefender.exe 2348 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c1-186.dat upx behavioral2/memory/384-188-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-192-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/384-194-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-198-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2348-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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\"" 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 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe File created C:\Windows\rss\csrss.exe b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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 4936 sc.exe -
pid Process 1120 powershell.exe 2112 powershell.exe 3468 powershell.exe 4640 powershell.exe 696 powershell.exe 5032 powershell.exe 4588 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 2248 schtasks.exe 1656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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,-681 = "E. Australia 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\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2062 = "North Korea Standard 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\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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,-732 = "Fiji Standard 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-365 = "Middle East Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4588 powershell.exe 4588 powershell.exe 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 1120 powershell.exe 1120 powershell.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 2112 powershell.exe 2112 powershell.exe 3468 powershell.exe 3468 powershell.exe 696 powershell.exe 696 powershell.exe 5032 powershell.exe 5032 powershell.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3840 csrss.exe 3840 csrss.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3840 csrss.exe 3840 csrss.exe 3880 injector.exe 3880 injector.exe 3840 csrss.exe 3840 csrss.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe 3880 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Token: SeImpersonatePrivilege 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe Token: SeDebugPrivilege 1120 powershell.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeDebugPrivilege 696 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeSystemEnvironmentPrivilege 3840 csrss.exe Token: SeSecurityPrivilege 4936 sc.exe Token: SeSecurityPrivilege 4936 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 960 wrote to memory of 4588 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 82 PID 960 wrote to memory of 4588 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 82 PID 960 wrote to memory of 4588 960 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 82 PID 3576 wrote to memory of 1120 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 87 PID 3576 wrote to memory of 1120 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 87 PID 3576 wrote to memory of 1120 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 87 PID 3576 wrote to memory of 1940 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 89 PID 3576 wrote to memory of 1940 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 89 PID 1940 wrote to memory of 4484 1940 cmd.exe 91 PID 1940 wrote to memory of 4484 1940 cmd.exe 91 PID 3576 wrote to memory of 2112 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 92 PID 3576 wrote to memory of 2112 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 92 PID 3576 wrote to memory of 2112 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 92 PID 3576 wrote to memory of 3468 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 94 PID 3576 wrote to memory of 3468 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 94 PID 3576 wrote to memory of 3468 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 94 PID 3576 wrote to memory of 3840 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 96 PID 3576 wrote to memory of 3840 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 96 PID 3576 wrote to memory of 3840 3576 b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe 96 PID 3840 wrote to memory of 4640 3840 csrss.exe 97 PID 3840 wrote to memory of 4640 3840 csrss.exe 97 PID 3840 wrote to memory of 4640 3840 csrss.exe 97 PID 3840 wrote to memory of 696 3840 csrss.exe 102 PID 3840 wrote to memory of 696 3840 csrss.exe 102 PID 3840 wrote to memory of 696 3840 csrss.exe 102 PID 3840 wrote to memory of 5032 3840 csrss.exe 105 PID 3840 wrote to memory of 5032 3840 csrss.exe 105 PID 3840 wrote to memory of 5032 3840 csrss.exe 105 PID 3840 wrote to memory of 3880 3840 csrss.exe 107 PID 3840 wrote to memory of 3880 3840 csrss.exe 107 PID 384 wrote to memory of 4328 384 windefender.exe 113 PID 384 wrote to memory of 4328 384 windefender.exe 113 PID 384 wrote to memory of 4328 384 windefender.exe 113 PID 4328 wrote to memory of 4936 4328 cmd.exe 114 PID 4328 wrote to memory of 4936 4328 cmd.exe 114 PID 4328 wrote to memory of 4936 4328 cmd.exe 114 -
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\b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe"C:\Users\Admin\AppData\Local\Temp\b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588
-
-
C:\Users\Admin\AppData\Local\Temp\b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.exe"C:\Users\Admin\AppData\Local\Temp\b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3.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:3576 -
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:1120
-
-
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:1940 -
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:4484
-
-
-
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:2112
-
-
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:3468
-
-
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:3840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:4640
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2248
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4748
-
-
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:696
-
-
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:5032
-
-
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:3880
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1656
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:384 -
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:4328 -
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:4936
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2348
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d12c1803e55d750d3115f466098b717
SHA19929f73e0cacac0068ee42d5126fa539e32e0585
SHA256159047e39bb09f2849d2e8a3cbfc8efea9f0f5466a9e1bd1d7082609359bb59f
SHA512052b78d97e0c58e1ed0585a1c4e2f90ddb55e86d9b119d17567d3fbd4f32b1aaf77af3fbf4e25f0640939ed116bfd62c8cc130bf38486e035140f403bcfba4ca
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5816ca0300b347b7c8dd5e3eca6fa7e0a
SHA13bbf875156c78184d40d64cd643675aa01fac2c7
SHA2569df659efebfd50fec84e8fb334fa61bcc9141581cd56d7f96437ff47ce35ea93
SHA512c91b53faa2e7b72cb71b8b89b78dcfcfc53233b58025e4ee0a7f7cf4edbbf3349d15c3f3bb4af50930c6ae184b4e10c8320388a902ce5f00743a66985c20adee
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5662ca9ec4381f8a1fdaba1f154477522
SHA1c958e8aaef93005d6e762c392d10d60884e9ef8a
SHA256f9300da01c267262aeafda925b0532f6c61a11c45e6143e05a7e92f199034644
SHA512fd0a9e0513ac84fac2fe5a79c39e165ad32f68f6b6c808aa4efc38be87f582ce7a2183d261f217e36df89333371de5a5ae24e298016d36f8259d97ed9f278503
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504d2b550361f87df0218f529a9bddc4d
SHA11de6d8c5c37dc7e40f6d660fe6f093a9c09d8d05
SHA256e1f8ac7f21611fdfb7c567a9a04eb6c10007a8ed314a2e928060769c494dbcbf
SHA512560fc5546bba12addd919c40c29e3148d53e96afa2e6ad01cdc008dfa901fd5b2416ab79a9f8f552436797997faddfce6a49ed603a1a2849b912d658e2bec8f0
-
Filesize
4.1MB
MD5c8cd3c13fa88f66e4d523ab8c59f8568
SHA1754faf94f6b811135a6d1a99b0281d058ec71928
SHA256b9864a7b4474636b8a77e8ff26ffc00b44c254703bd9c8ee5e28a92c9f0457a3
SHA5123e01f3ec60763d040ac6858773d15179474be7bdce902ca152ee4e3d7d340f8fd7f27018762956c48a9b9c4951d521e9e7f14f4984346c4dd814bf11ac33a2d8
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec