Analysis
-
max time kernel
149s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe
Resource
win10v2004-20240508-en
General
-
Target
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe
-
Size
4.1MB
-
MD5
1ce9a502533429c7a3d5831731c28107
-
SHA1
1a15af2993ae38dd2604e5f649ac15b730f6dd1b
-
SHA256
fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794
-
SHA512
59579e3327a226fffbe2b98a78b5c63edd0c8e43b9967866fa797f646e0c6ee90c1006714c8258b894b8a4057a3f3b18eb4acccfe3208ce81a9cb75ce6b54795
-
SSDEEP
98304:0d7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErj:mRMSLQaVNfPUP9FaqUIATxXaCdFFREnG
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4512-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/4512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4512-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4512-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4512-55-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/4512-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1536-65-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1536-124-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1536-131-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2952-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2668 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2952 csrss.exe 3844 injector.exe 1976 windefender.exe 1100 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa16-213.dat upx behavioral2/memory/1976-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1100-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1976-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1100-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1100-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe File created C:\Windows\rss\csrss.exe fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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 5048 sc.exe -
pid Process 4496 powershell.exe 2768 powershell.exe 1556 powershell.exe 4032 powershell.exe 784 powershell.exe 3852 powershell.exe 2004 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 1308 schtasks.exe 972 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4496 powershell.exe 4496 powershell.exe 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 2768 powershell.exe 2768 powershell.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 1556 powershell.exe 1556 powershell.exe 4032 powershell.exe 4032 powershell.exe 784 powershell.exe 784 powershell.exe 3852 powershell.exe 3852 powershell.exe 2004 powershell.exe 2004 powershell.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 2952 csrss.exe 2952 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 2952 csrss.exe 2952 csrss.exe 3844 injector.exe 3844 injector.exe 2952 csrss.exe 2952 csrss.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe 3844 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Token: SeImpersonatePrivilege 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeDebugPrivilege 2004 powershell.exe Token: SeSystemEnvironmentPrivilege 2952 csrss.exe Token: SeSecurityPrivilege 5048 sc.exe Token: SeSecurityPrivilege 5048 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4512 wrote to memory of 4496 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 83 PID 4512 wrote to memory of 4496 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 83 PID 4512 wrote to memory of 4496 4512 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 83 PID 1536 wrote to memory of 2768 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 88 PID 1536 wrote to memory of 2768 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 88 PID 1536 wrote to memory of 2768 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 88 PID 1536 wrote to memory of 3764 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 90 PID 1536 wrote to memory of 3764 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 90 PID 3764 wrote to memory of 2668 3764 cmd.exe 92 PID 3764 wrote to memory of 2668 3764 cmd.exe 92 PID 1536 wrote to memory of 1556 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 93 PID 1536 wrote to memory of 1556 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 93 PID 1536 wrote to memory of 1556 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 93 PID 1536 wrote to memory of 4032 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 95 PID 1536 wrote to memory of 4032 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 95 PID 1536 wrote to memory of 4032 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 95 PID 1536 wrote to memory of 2952 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 1536 wrote to memory of 2952 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 1536 wrote to memory of 2952 1536 fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe 97 PID 2952 wrote to memory of 784 2952 csrss.exe 98 PID 2952 wrote to memory of 784 2952 csrss.exe 98 PID 2952 wrote to memory of 784 2952 csrss.exe 98 PID 2952 wrote to memory of 3852 2952 csrss.exe 104 PID 2952 wrote to memory of 3852 2952 csrss.exe 104 PID 2952 wrote to memory of 3852 2952 csrss.exe 104 PID 2952 wrote to memory of 2004 2952 csrss.exe 106 PID 2952 wrote to memory of 2004 2952 csrss.exe 106 PID 2952 wrote to memory of 2004 2952 csrss.exe 106 PID 2952 wrote to memory of 3844 2952 csrss.exe 108 PID 2952 wrote to memory of 3844 2952 csrss.exe 108 PID 1976 wrote to memory of 1316 1976 windefender.exe 114 PID 1976 wrote to memory of 1316 1976 windefender.exe 114 PID 1976 wrote to memory of 1316 1976 windefender.exe 114 PID 1316 wrote to memory of 5048 1316 cmd.exe 115 PID 1316 wrote to memory of 5048 1316 cmd.exe 115 PID 1316 wrote to memory of 5048 1316 cmd.exe 115 -
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\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
-
-
C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.exe"C:\Users\Admin\AppData\Local\Temp\fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794.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:1536 -
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:2768
-
-
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:3764 -
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:2668
-
-
-
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:1556
-
-
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:4032
-
-
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:2952 -
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:784
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1308
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2156
-
-
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:3852
-
-
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:2004
-
-
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:3844
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:972
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1976 -
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:1316 -
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:5048
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1100
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
MD5f7b863a6ea346c7bcbf19cec457cb9c5
SHA18c39db8aef85234d653fd54551104e6e01fcb1bd
SHA25663642e973f4b9b3d6333bdfc918e9c0c35c86cf48214f32bf02416c6ba5d78e2
SHA5127572441bc520053a65e82ece1615acf1b5013d1df3bd2f876fa80404031f954ce118647aafc090af0904ccbbb2207df14242be2c415c79e082dcfe720a6b0f78
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a55328463816e9ea1ebd7f25ba7854d7
SHA1b46d7319cc57d5ec82f3fe96daf9e60b95dffb09
SHA25614aa8679b3ff0541167043859a65253165c7ab13a10d2ed26507e7e3a4b44f49
SHA512fe2b15c4f72a889f1011c5b0d5f52aafb52586ba30b3b4f36b0602e426134097718a6c7cbf6fc0b3dd6c11bd098e10b6ee07d5b2c0fc3defc86d3ad5dbb3109a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b66740fa8394d9b89c66048f15e5d6e6
SHA150fb320a1f146fbf8ea971bda9a7311205ceadba
SHA256e095d24eb23236dd195b44296840a1e59aaeb5a610f3bb969a32ce601ebf3fbf
SHA51255a50e26bb7617103f127a5743e49893f761de4b8a3db10f621dc7414c744cbe4640019a49a022cb54f3b5a116ad31a903da82e81f04197e51be80aec44ff826
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509ead525441ba22f582cedbea6733cf8
SHA1a0a6ca20688f7f4064eaf66dfa48ee84d2685e5d
SHA256590eb599399a8910d974de7c246efd105c83c0767b011df17e8063bbe33f998d
SHA512db54fec4da8bc6f0a841d459602a63bafa169b1ebb63b91023489697143680437f8eb42fa5022d86f1c6236b06e71caac94a281cdbde548e04ff345ada2a3e54
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a5a7c5f779c68b8deb62b536f1bf965
SHA1633b99bf2c268d75f616dbfbbcef559fa33d3184
SHA25628237ab5eb2dfca0a4806c12f84665928032192d380ce6fd4d7d064fdbe46bbf
SHA512ccbacf4efef7b8a43d0026ad5a061a286b8d4e4be338ca82d7131dfdfd4155b64871889dfd69be040bbe0cdadb1f524859b0e8c782920961476331bdaa89f90a
-
Filesize
4.1MB
MD51ce9a502533429c7a3d5831731c28107
SHA11a15af2993ae38dd2604e5f649ac15b730f6dd1b
SHA256fa32b0fd3fb028b2c8a1dbd86f694fb9d6a5097f84638a35d5491340d47a8794
SHA51259579e3327a226fffbe2b98a78b5c63edd0c8e43b9967866fa797f646e0c6ee90c1006714c8258b894b8a4057a3f3b18eb4acccfe3208ce81a9cb75ce6b54795
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec