Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/04/2024, 09:17
Static task
static1
Behavioral task
behavioral1
Sample
f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe
Resource
win10v2004-20240412-en
General
-
Target
f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe
-
Size
4.2MB
-
MD5
0d0ac90416ced2c9439f4208e038157f
-
SHA1
2f974065b4e8efa7ea35042e8d48d473feb297ec
-
SHA256
f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30
-
SHA512
8631860851a5c494e20007424ae19f14158c771783415d4766328c12013b5dd7bbd8a22c5a28700d28667066441e6636fb1118f06bca882b4cef22bccbf66167
-
SSDEEP
98304:SQN9zSKVNFzRCmd+S43cfxiJtNQ15bXu+MABfSPDEeLX1+Kw3YL/t3u:9TWsFQmkSqeYdK5bXuOBmD/txFe
Malware Config
Signatures
-
Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4676-2-0x0000000006780000-0x000000000706B000-memory.dmp family_glupteba behavioral2/memory/664-51-0x0000000006630000-0x0000000006F1B000-memory.dmp family_glupteba behavioral2/memory/4676-52-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/664-144-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-241-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-242-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-243-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-252-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-254-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-256-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-258-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-260-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-262-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-264-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-266-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-268-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba behavioral2/memory/4908-270-0x0000000000400000-0x0000000004428000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4924 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4908 csrss.exe 3592 injector.exe 4896 windefender.exe 4064 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa14-246.dat upx behavioral2/memory/4896-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4064-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4064-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.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 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 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 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.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 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4644 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2812 4676 WerFault.exe 78 3044 664 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3400 schtasks.exe 4496 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.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\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 864 powershell.exe 864 powershell.exe 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 2932 powershell.exe 2932 powershell.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 408 powershell.exe 408 powershell.exe 1840 powershell.exe 1840 powershell.exe 2020 powershell.exe 2020 powershell.exe 1740 powershell.exe 1740 powershell.exe 1484 powershell.exe 1484 powershell.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 4908 csrss.exe 4908 csrss.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 4908 csrss.exe 4908 csrss.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe 3592 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 864 powershell.exe Token: SeDebugPrivilege 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Token: SeImpersonatePrivilege 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe Token: SeDebugPrivilege 2932 powershell.exe Token: SeDebugPrivilege 408 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeSystemEnvironmentPrivilege 4908 csrss.exe Token: SeSecurityPrivilege 4644 sc.exe Token: SeSecurityPrivilege 4644 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4676 wrote to memory of 864 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 81 PID 4676 wrote to memory of 864 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 81 PID 4676 wrote to memory of 864 4676 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 81 PID 664 wrote to memory of 2932 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 89 PID 664 wrote to memory of 2932 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 89 PID 664 wrote to memory of 2932 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 89 PID 664 wrote to memory of 2000 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 91 PID 664 wrote to memory of 2000 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 91 PID 2000 wrote to memory of 4924 2000 cmd.exe 93 PID 2000 wrote to memory of 4924 2000 cmd.exe 93 PID 664 wrote to memory of 408 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 94 PID 664 wrote to memory of 408 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 94 PID 664 wrote to memory of 408 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 94 PID 664 wrote to memory of 1840 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 96 PID 664 wrote to memory of 1840 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 96 PID 664 wrote to memory of 1840 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 96 PID 664 wrote to memory of 4908 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 98 PID 664 wrote to memory of 4908 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 98 PID 664 wrote to memory of 4908 664 f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe 98 PID 4908 wrote to memory of 2020 4908 csrss.exe 101 PID 4908 wrote to memory of 2020 4908 csrss.exe 101 PID 4908 wrote to memory of 2020 4908 csrss.exe 101 PID 4908 wrote to memory of 1740 4908 csrss.exe 106 PID 4908 wrote to memory of 1740 4908 csrss.exe 106 PID 4908 wrote to memory of 1740 4908 csrss.exe 106 PID 4908 wrote to memory of 1484 4908 csrss.exe 109 PID 4908 wrote to memory of 1484 4908 csrss.exe 109 PID 4908 wrote to memory of 1484 4908 csrss.exe 109 PID 4908 wrote to memory of 3592 4908 csrss.exe 111 PID 4908 wrote to memory of 3592 4908 csrss.exe 111 PID 4896 wrote to memory of 4188 4896 windefender.exe 117 PID 4896 wrote to memory of 4188 4896 windefender.exe 117 PID 4896 wrote to memory of 4188 4896 windefender.exe 117 PID 4188 wrote to memory of 4644 4188 cmd.exe 118 PID 4188 wrote to memory of 4644 4188 cmd.exe 118 PID 4188 wrote to memory of 4644 4188 cmd.exe 118 -
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\f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe"C:\Users\Admin\AppData\Local\Temp\f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:864
-
-
C:\Users\Admin\AppData\Local\Temp\f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.exe"C:\Users\Admin\AppData\Local\Temp\f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30.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:664 -
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:2932
-
-
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:2000 -
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:4924
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:408
-
-
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:1840
-
-
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:4908 -
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:2020
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3400
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:744
-
-
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:1740
-
-
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:1484
-
-
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:3592
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4496
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4896 -
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:4188 -
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:4644
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 664 -s 7883⤵
- Program crash
PID:3044
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 7082⤵
- Program crash
PID:2812
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4676 -ip 46761⤵PID:996
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 664 -ip 6641⤵PID:2360
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4064
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
MD5bf9f1541104caa66bea5bef91e4fc505
SHA1b6841a895a86eac3dc135fcd8d4c87b1faa1f342
SHA25606008ccce43b316f1006019e6d9d472a9465e7c625d2f6da0d33491fe7cc8e39
SHA51204cd5d49de5eeb2a8135fc8965e13bd02785f16acb74a03b09e24ab2b10e3f6a4185fb3bab98da2f053705650bc5984f77d9cf19e942119cc0ef1fd09990e38b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bd2d5b5bc9a1edc6efe26e8b9175839
SHA16995a391c4adcb77f53bce410c3e50fba1885a7b
SHA2567f7f8002d2c6e5392c762cdcfbe7568a7c62de7843834453a7c9017e6d47451a
SHA512a7b1860dd664be56385d6703df984f158c391f511f82fc9c131a9c73ddbdd25585c40fcb25efb51e06d143de70cf8d268046a1207426504da5706b3643091264
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56453103f327818d1422a436e21f59a31
SHA1b94e4f0b268e2e948c68b1ab50edcae999397e20
SHA256b8c6218d9ebd5edafed4a0a630d3eacb913c98d9872791335d6675e9b990d422
SHA512b59d594815dcc745972ee23753d63a3ae37fc80cd0507146fac0625c45dfa588442272828924be78a6bc359a1994c08282ed897e4d20da9f49b1848ea9f79fcd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5626b2ae9034e1d79e3bbb4a473dceb1e
SHA1467959538e5e8e6434048e4150e6613f076c586f
SHA256161c4f3b6e0218b001f94d1797e8bc5783b5c47f400a3d59802666ebfdff629e
SHA5123e6229cc64f8391dee33006c3adee055d898b6c8d313386d7db2154a9346e7045ccb04f5d3337eba270be7d824af85241d6710505615bdb38cd349fc135b9566
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526c0691a8b451202273c75d4af5eca6b
SHA18d04367605e212d9adbdfcff7a656056b7f3830a
SHA2562021386e01cb7716a0a4ffde2da3ebfe2308f3ba30784d0ba2ddf9c69c72283b
SHA512f1e0185ce74dbf422d14c9bd7a6e01fbc28565d05ca1ab10e1ee698e14a8f4da55e5469008cf659fe2ff805590a0948ea6461dc63765a130a2ba70f27d53f037
-
Filesize
4.2MB
MD50d0ac90416ced2c9439f4208e038157f
SHA12f974065b4e8efa7ea35042e8d48d473feb297ec
SHA256f5a98b8f1ac435bc5cb81f7868ee669d90f1fb8ad6a49137080b38db311d6a30
SHA5128631860851a5c494e20007424ae19f14158c771783415d4766328c12013b5dd7bbd8a22c5a28700d28667066441e6636fb1118f06bca882b4cef22bccbf66167
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec