Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-04-2024 11:20
Static task
static1
Behavioral task
behavioral1
Sample
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe
Resource
win10v2004-20240226-en
General
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Target
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe
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Size
4.2MB
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MD5
014e6b210d3b68f907ad773ed77334d1
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SHA1
ee19418512853cf0c3a2ebb524e0846e105e7c8b
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SHA256
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7
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SHA512
f19fdf50b75a9ce5dae2eef8b374d39548b7cbea85519ddf5dceba5378cada26f4d1b0a0c59ce4d5a3bc096b359db69ee58018559de3857fd9ab0e453879ab2a
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SSDEEP
98304:5gQLKfmHskUXbTpo22G+GS2lS1Bw2dJv/Wwn:afTkym+XQZ/L
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3276-2-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/3276-3-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3276-25-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3276-54-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/3276-55-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/2820-58-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/2820-59-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/2820-91-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/2820-106-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/2820-120-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/2820-153-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-218-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-255-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-265-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-267-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-272-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral2/memory/1540-276-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2360 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1540 csrss.exe 4448 injector.exe 2796 windefender.exe 4320 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a80b-259.dat upx behavioral2/memory/2796-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4320-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4320-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\S-1-5-21-647252928-2816094679-1307623958-1000\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 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 -
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 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 428 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 3156 schtasks.exe 4196 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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.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,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.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\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island 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" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2900 powershell.exe 2900 powershell.exe 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 3892 powershell.exe 3892 powershell.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 5104 powershell.exe 5104 powershell.exe 4988 powershell.exe 4988 powershell.exe 1464 powershell.exe 1464 powershell.exe 1088 powershell.exe 1088 powershell.exe 2212 powershell.exe 2212 powershell.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 1540 csrss.exe 1540 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 1540 csrss.exe 1540 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 1540 csrss.exe 1540 csrss.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe 4448 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2900 powershell.exe Token: SeDebugPrivilege 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Token: SeImpersonatePrivilege 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 1464 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 2212 powershell.exe Token: SeSystemEnvironmentPrivilege 1540 csrss.exe Token: SeSecurityPrivilege 428 sc.exe Token: SeSecurityPrivilege 428 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3276 wrote to memory of 2900 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 82 PID 3276 wrote to memory of 2900 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 82 PID 3276 wrote to memory of 2900 3276 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 82 PID 2820 wrote to memory of 3892 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 87 PID 2820 wrote to memory of 3892 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 87 PID 2820 wrote to memory of 3892 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 87 PID 2820 wrote to memory of 1768 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 89 PID 2820 wrote to memory of 1768 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 89 PID 1768 wrote to memory of 2360 1768 cmd.exe 91 PID 1768 wrote to memory of 2360 1768 cmd.exe 91 PID 2820 wrote to memory of 5104 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 92 PID 2820 wrote to memory of 5104 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 92 PID 2820 wrote to memory of 5104 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 92 PID 2820 wrote to memory of 4988 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 94 PID 2820 wrote to memory of 4988 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 94 PID 2820 wrote to memory of 4988 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 94 PID 2820 wrote to memory of 1540 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 96 PID 2820 wrote to memory of 1540 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 96 PID 2820 wrote to memory of 1540 2820 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 96 PID 1540 wrote to memory of 1464 1540 csrss.exe 97 PID 1540 wrote to memory of 1464 1540 csrss.exe 97 PID 1540 wrote to memory of 1464 1540 csrss.exe 97 PID 1540 wrote to memory of 1088 1540 csrss.exe 102 PID 1540 wrote to memory of 1088 1540 csrss.exe 102 PID 1540 wrote to memory of 1088 1540 csrss.exe 102 PID 1540 wrote to memory of 2212 1540 csrss.exe 105 PID 1540 wrote to memory of 2212 1540 csrss.exe 105 PID 1540 wrote to memory of 2212 1540 csrss.exe 105 PID 1540 wrote to memory of 4448 1540 csrss.exe 107 PID 1540 wrote to memory of 4448 1540 csrss.exe 107 PID 2796 wrote to memory of 4928 2796 windefender.exe 113 PID 2796 wrote to memory of 4928 2796 windefender.exe 113 PID 2796 wrote to memory of 4928 2796 windefender.exe 113 PID 4928 wrote to memory of 428 4928 cmd.exe 114 PID 4928 wrote to memory of 428 4928 cmd.exe 114 PID 4928 wrote to memory of 428 4928 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2900
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C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.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:2820 -
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:3892
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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:1768 -
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:2360
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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:5104
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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:4988
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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:1540 -
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:1464
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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:4196
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2696
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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:1088
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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:2212
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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:4448
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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:3156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2796 -
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:4928 -
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:428
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4320
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cadc8cb91092a00b894f4abc073b8f02
SHA1ecbc5c3d4cc681e29a47fc41e7fa2999ae22e1ee
SHA256966f8e02f3067aec355a809332eedd49d8098bb535bcaff96377e1b0f6837a7d
SHA51290e0450fb76d471384607482f87d772adc7e91f988b4f8a920d29d03a78aa3c86dee3fc0843ab1f52a149c5bdeca6df3941c2880adf6e8b4990eb5526b6ae129
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54c04a3f737567b6f5c755e266971c5b2
SHA1484a84c83bd94a60de8d6fd3f8125bf8d68ec296
SHA256c324bc56422337bb4755b98250637974d159229de262d83e9061139b382d83fa
SHA5120952bc6f9bf33711894cb9de75fba4be26ec3306614c32fd72564f8e9be1a76384a9917d6a26a0516a99a3dfca98b1af09d442d92778692cd64a05c289cdf7f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52375459df0b93edf315601471967c1ec
SHA1e49157b4c5ef3c494d7e018bb502cbaa657fab24
SHA256b8a383f6e5d74fa53326daf90e8ab7201df76934f32f65d7501e32a5fa29d21a
SHA512f352773494f3363131715a701970fa256b6d8677066d01dfe45626452cc3807396fbb6f44f8a5ea744e0fd219b1d147821fd362190266c0954e7b61f84d50631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2dcdfcac162d15e8f581413e99c10a2
SHA13f0dc9767a95195bf70a9816fb19767ffd63ddbe
SHA256e35a80d7dc3a5f7cdf8a6675aa2d84a8a0ab833a2b899b1a8d85e08c5a6fe079
SHA512cab57221c466b70b31c885df2b0f6acd0cf76b3fd883cd2d936697726c05194918c73b975f824128cf8e045c3aefaf46cf3511a2f372672f67f3389809da0780
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574d6ce6f95c7749fc30f26cd25d62531
SHA1255a2040b4c1ec1c80482a3a0e31b63e037d473c
SHA256f290dd5eb9912e138ea9c8f4155eb461505a2995e633bf678f594bdde34546ca
SHA512d255e61b1fcaef50c542665f979a8a77dd8fec425fc871b60c49b66157f0c7a0a1607eb0699b9ec735591dc96e45a8e6d4655f255bf72d759b5b95d37659683a
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Filesize
4.2MB
MD5014e6b210d3b68f907ad773ed77334d1
SHA1ee19418512853cf0c3a2ebb524e0846e105e7c8b
SHA2563da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7
SHA512f19fdf50b75a9ce5dae2eef8b374d39548b7cbea85519ddf5dceba5378cada26f4d1b0a0c59ce4d5a3bc096b359db69ee58018559de3857fd9ab0e453879ab2a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec