Analysis
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max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
29/03/2024, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe
Resource
win10v2004-20231215-en
General
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Target
d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe
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Size
4.1MB
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MD5
b7fb2eca6576e7189d5bd7b8206a1f43
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SHA1
eac09a8f5ee8dec05053f3c6d4a278d5f6e8ef95
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SHA256
d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c
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SHA512
c8a1aea05b3466bd217a74f10cda4520f02ca94697f9a39813ff6bdd561448c3902aec3a17b72dee8684c4211f21e3320ebd5f0c83a8591cc5e22e80f6b53b73
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SSDEEP
98304:euYTRTLOwbQWLxJnKkAv/3Th3sbY+rf0kp7yg:aRTaQQiA16Y+rf0kr
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/2480-2-0x0000000002F90000-0x000000000387B000-memory.dmp family_glupteba behavioral2/memory/2480-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-53-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/4916-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2480-56-0x0000000002F90000-0x000000000387B000-memory.dmp family_glupteba behavioral2/memory/2480-70-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4124-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4104 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4124 csrss.exe 652 injector.exe 1920 windefender.exe 4140 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7fa-250.dat upx behavioral2/memory/1920-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4140-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4140-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4140-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\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 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 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 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe File created C:\Windows\rss\csrss.exe d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.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 2032 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 5012 schtasks.exe 2780 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5040 powershell.exe 5040 powershell.exe 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 1660 powershell.exe 1660 powershell.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 1816 powershell.exe 1816 powershell.exe 556 powershell.exe 556 powershell.exe 992 powershell.exe 992 powershell.exe 2788 powershell.exe 2788 powershell.exe 864 powershell.exe 864 powershell.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 4124 csrss.exe 4124 csrss.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 4124 csrss.exe 4124 csrss.exe 652 injector.exe 652 injector.exe 4124 csrss.exe 4124 csrss.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe 652 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Token: SeImpersonatePrivilege 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 1816 powershell.exe Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe Token: SeDebugPrivilege 864 powershell.exe Token: SeSystemEnvironmentPrivilege 4124 csrss.exe Token: SeSecurityPrivilege 2032 sc.exe Token: SeSecurityPrivilege 2032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2480 wrote to memory of 5040 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 77 PID 2480 wrote to memory of 5040 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 77 PID 2480 wrote to memory of 5040 2480 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 77 PID 4916 wrote to memory of 1660 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 82 PID 4916 wrote to memory of 1660 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 82 PID 4916 wrote to memory of 1660 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 82 PID 4916 wrote to memory of 2464 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 84 PID 4916 wrote to memory of 2464 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 84 PID 2464 wrote to memory of 4104 2464 cmd.exe 86 PID 2464 wrote to memory of 4104 2464 cmd.exe 86 PID 4916 wrote to memory of 1816 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 87 PID 4916 wrote to memory of 1816 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 87 PID 4916 wrote to memory of 1816 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 87 PID 4916 wrote to memory of 556 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 89 PID 4916 wrote to memory of 556 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 89 PID 4916 wrote to memory of 556 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 89 PID 4916 wrote to memory of 4124 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 91 PID 4916 wrote to memory of 4124 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 91 PID 4916 wrote to memory of 4124 4916 d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe 91 PID 4124 wrote to memory of 992 4124 csrss.exe 92 PID 4124 wrote to memory of 992 4124 csrss.exe 92 PID 4124 wrote to memory of 992 4124 csrss.exe 92 PID 4124 wrote to memory of 2788 4124 csrss.exe 98 PID 4124 wrote to memory of 2788 4124 csrss.exe 98 PID 4124 wrote to memory of 2788 4124 csrss.exe 98 PID 4124 wrote to memory of 864 4124 csrss.exe 100 PID 4124 wrote to memory of 864 4124 csrss.exe 100 PID 4124 wrote to memory of 864 4124 csrss.exe 100 PID 4124 wrote to memory of 652 4124 csrss.exe 102 PID 4124 wrote to memory of 652 4124 csrss.exe 102 PID 1920 wrote to memory of 2224 1920 windefender.exe 108 PID 1920 wrote to memory of 2224 1920 windefender.exe 108 PID 1920 wrote to memory of 2224 1920 windefender.exe 108 PID 2224 wrote to memory of 2032 2224 cmd.exe 109 PID 2224 wrote to memory of 2032 2224 cmd.exe 109 PID 2224 wrote to memory of 2032 2224 cmd.exe 109 -
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\d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe"C:\Users\Admin\AppData\Local\Temp\d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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C:\Users\Admin\AppData\Local\Temp\d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.exe"C:\Users\Admin\AppData\Local\Temp\d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c.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:4916 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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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:2464 -
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:4104
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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:1816
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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:556
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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:4124 -
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:992
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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:5012
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5032
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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:2788
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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:864
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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:652
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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:2780
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1920 -
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:2224 -
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:2032
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4140
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
MD5e46ff1816e4021693a2e3ee3c695e2a8
SHA17b294ac53dd4811f4c517d6dce011858551cf47d
SHA256b0b514e88015b92b9e570af9d1fb1e992b595389e51c4c64017c67c9268e4729
SHA5129b32054c517cfa9e34b574b6e4a4da4d7fe0479fe129c2884f05950acb05ba47a18ee7eab4cbc4de8e7d8a664071acf1f377702c0a728c7702884ed71fcf4b13
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc095aaa8bd171299b4c153801402ede
SHA1f07c6b09833fa5e128d9e98644ccedb7e095dbbb
SHA256c3b137cf95521413fc8e83c7596ab91ca83ab371be9d69eb3d885bcb721dc764
SHA512beeb88bc962a05da4308413111fcbd744996e3bb8f232cb88b5acfabb6312c3c9910f54ab6a586f2d8ce5645e66bdafdf7c1cc42c803431005a5310d1ca08fca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520d3b44c4f6f389c291768737e566002
SHA12d5b8e2ddaa069d97ca9c3bad7a9ec969d2cefe3
SHA25685265b20263545857962971d96b8082830ba5caba1927e6bb007f548e2ddf56e
SHA51253a09a527c99b8fb1f895b011ecdab57a90a92901b8cc29536e66116cd3ef945e20c15e19feae773c18414f0ea2a325f8c564b116556f000de55876144bec286
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b9b792c81031d4fc6451bee983b093d
SHA1d0dc8812b5ff87178d7db4d838787096755d502f
SHA256751656fab97d1a0d6d05d83189df95b7bc88a050208490022b08e299be0a7753
SHA512809e1b6fca9658bfc1a2f297206e7789d172046731b86dcbbd045c8c5e3947fa5250ba9217c0163963e3db969eb683394982a0ba746be343b5a60e4369106710
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD580c665bd3e4682309c8d7e1e3b99627a
SHA1193b9b32c91c5df806c03a906fa4109e119cc63e
SHA2568008f51b3a9f4a9147dfa339d1b1d22c9811435f4157624fc5433d8688e3fff5
SHA51257c35b090af1f49c77d75a94c04d56af0ce4f6d18e12ce1bff4b6b6e912c297bed183b7a631eb7359496abaa5c2f6c9c00b99caa83d3a75cdfcdbe8e750c7918
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Filesize
4.1MB
MD5b7fb2eca6576e7189d5bd7b8206a1f43
SHA1eac09a8f5ee8dec05053f3c6d4a278d5f6e8ef95
SHA256d3e187a7ce015113eefde5f4cc085f64ae93b4482b8194e9b68d192368bd011c
SHA512c8a1aea05b3466bd217a74f10cda4520f02ca94697f9a39813ff6bdd561448c3902aec3a17b72dee8684c4211f21e3320ebd5f0c83a8591cc5e22e80f6b53b73
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec