Analysis
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max time kernel
149s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
21/04/2024, 12:51
Static task
static1
Behavioral task
behavioral1
Sample
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe
Resource
win10v2004-20240412-en
General
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Target
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe
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Size
4.1MB
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MD5
01f32b0b507aca88a501166d3a0668c2
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SHA1
6a600ef59163a732beaa951da04c110ce8573730
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SHA256
5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746
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SHA512
5327592d1bc1a5ee9493756aae3055b2cd01f68f60363c550fc6d05ea52fcd07148f0c033f19fdba27949f99907453364121502c596923806066620391c9bd1e
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SSDEEP
98304:eZEfVUFRJv8mQTo+JYxA3pPfuc1p/aZmtrSrNLigfLR:BfaFRhvQTux++4aZmtYTLR
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1480-2-0x0000000004150000-0x0000000004A3B000-memory.dmp family_glupteba behavioral2/memory/1480-3-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/5068-53-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/1480-54-0x0000000004150000-0x0000000004A3B000-memory.dmp family_glupteba behavioral2/memory/1480-55-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/5068-118-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/5068-145-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-242-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-252-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-254-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-257-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-260-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-263-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-266-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-269-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-272-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-275-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-278-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-281-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba behavioral2/memory/2512-284-0x0000000000400000-0x0000000001DEE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2512 csrss.exe 3504 injector.exe 2580 windefender.exe 1984 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a970-246.dat upx behavioral2/memory/2580-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1984-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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.
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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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe File created C:\Windows\rss\csrss.exe 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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 3592 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1920 schtasks.exe 1748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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\26\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard 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\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya 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,-291 = "Central European Daylight Time" 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1940 powershell.exe 1940 powershell.exe 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 1380 powershell.exe 1380 powershell.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 3360 powershell.exe 3360 powershell.exe 5052 powershell.exe 5052 powershell.exe 3304 powershell.exe 3304 powershell.exe 3076 powershell.exe 3076 powershell.exe 1940 powershell.exe 1940 powershell.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2512 csrss.exe 2512 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2512 csrss.exe 2512 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 2512 csrss.exe 2512 csrss.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe 3504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1940 powershell.exe Token: SeDebugPrivilege 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Token: SeImpersonatePrivilege 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3304 powershell.exe Token: SeDebugPrivilege 3076 powershell.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeSystemEnvironmentPrivilege 2512 csrss.exe Token: SeSecurityPrivilege 3592 sc.exe Token: SeSecurityPrivilege 3592 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1480 wrote to memory of 1940 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 79 PID 1480 wrote to memory of 1940 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 79 PID 1480 wrote to memory of 1940 1480 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 79 PID 5068 wrote to memory of 1380 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 84 PID 5068 wrote to memory of 1380 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 84 PID 5068 wrote to memory of 1380 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 84 PID 5068 wrote to memory of 2320 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 86 PID 5068 wrote to memory of 2320 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 86 PID 2320 wrote to memory of 756 2320 cmd.exe 88 PID 2320 wrote to memory of 756 2320 cmd.exe 88 PID 5068 wrote to memory of 3360 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 89 PID 5068 wrote to memory of 3360 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 89 PID 5068 wrote to memory of 3360 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 89 PID 5068 wrote to memory of 5052 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 91 PID 5068 wrote to memory of 5052 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 91 PID 5068 wrote to memory of 5052 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 91 PID 5068 wrote to memory of 2512 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 93 PID 5068 wrote to memory of 2512 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 93 PID 5068 wrote to memory of 2512 5068 5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe 93 PID 2512 wrote to memory of 3304 2512 csrss.exe 94 PID 2512 wrote to memory of 3304 2512 csrss.exe 94 PID 2512 wrote to memory of 3304 2512 csrss.exe 94 PID 2512 wrote to memory of 3076 2512 csrss.exe 100 PID 2512 wrote to memory of 3076 2512 csrss.exe 100 PID 2512 wrote to memory of 3076 2512 csrss.exe 100 PID 2512 wrote to memory of 1940 2512 csrss.exe 102 PID 2512 wrote to memory of 1940 2512 csrss.exe 102 PID 2512 wrote to memory of 1940 2512 csrss.exe 102 PID 2512 wrote to memory of 3504 2512 csrss.exe 104 PID 2512 wrote to memory of 3504 2512 csrss.exe 104 PID 2580 wrote to memory of 2064 2580 windefender.exe 110 PID 2580 wrote to memory of 2064 2580 windefender.exe 110 PID 2580 wrote to memory of 2064 2580 windefender.exe 110 PID 2064 wrote to memory of 3592 2064 cmd.exe 111 PID 2064 wrote to memory of 3592 2064 cmd.exe 111 PID 2064 wrote to memory of 3592 2064 cmd.exe 111 -
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
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C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1940
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C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.exe"C:\Users\Admin\AppData\Local\Temp\5e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746.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:5068 -
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:1380
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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:2320 -
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:756
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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:3360
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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:5052
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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:2512 -
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:3304
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1920
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4564
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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:3076
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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:1940
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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:3504
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1748
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2580 -
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:2064 -
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:3592
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1984
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b374e5652de83c1016575cda3d355a29
SHA15b352da095add1a6349354dfa93bf9c4b7c262c3
SHA256a9b56ef997c18e13d6e9e79a7db04f925aceb7361156cece5e2a659d7db718d1
SHA512d9e0ba248d19f18541d697b61b839eb61d3be1ed671bebdbacc81d41a79db899b0b46032a5a8f71ee25081dcb62ba924eaa11a65440d62bd3fe483ae48f2b8f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50aeb39061d1f6f85cd9f043cd1f40d09
SHA18fce5c556c6e028d6c7d69de56141e9f9f402b09
SHA256ae1a7170bfc1625156f3659091c321971e649ba05970c948da53f5d14ed5d7df
SHA51245d669c153dc7c5e909fb69ec37787e4dd883b767752fcef07e22da4504cb9ab95dca1cebecc5abbffaa30cdf281fcc564069a7aad82c2cdd8605648406cd24f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a09bd5749f9cdd9c1639ad5acda60da6
SHA16a878bec82e83b3cb762da2d76537783b9d4c989
SHA2564a4b885d28163fe1f53635524b3de94203a25b8cbba0fd2465ef51fdeac9e916
SHA51207a24d288abb4f1fa076e3d73bc3f6808ba7304dd31d98d3620b79e2a566743e53fc5deb326c0c62400c86c65049bd48447ec022b1f3a7feca1184223612dea1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509266eabbdbbe1faee563121383b2320
SHA19c541767c997f5f5d255c792afe0e94bdd994911
SHA256d96b999b6018b6e526725bf6a41d82769845c8aa3d45278d8e60ae8acf1cb2fb
SHA512c65a4c4dc65efe889b382bfa4436e91ab4a76686fcfb9af63c478282ba4d1ac96bf59e18b0172d8d658e3abd706f07682de995e12f4d5e3528c463d58e32e996
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587f09d4cbac1183e5a7f85af24445417
SHA1016e723b57a59c538497a723c86f4ed47d3c3a45
SHA2567ce17a6bab7b4b7aaec64e0aa8e220fb031e3cbc47436cc4cb9414298f3e9daa
SHA5124320d51e148299a4f715b3c57ba5862ece7406e2df296fd818b932f9bbeb1733136e71c1c8f69242829a63f1e84b56589bb35417f1d90ba3875f7abca1e08f5e
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Filesize
4.1MB
MD501f32b0b507aca88a501166d3a0668c2
SHA16a600ef59163a732beaa951da04c110ce8573730
SHA2565e23c34c937ad2c69d12b2ef6d77459924e124b8de4f9518e64aca6f6cb07746
SHA5125327592d1bc1a5ee9493756aae3055b2cd01f68f60363c550fc6d05ea52fcd07148f0c033f19fdba27949f99907453364121502c596923806066620391c9bd1e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec