Analysis
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max time kernel
151s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2023 23:25
Static task
static1
General
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Target
2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe
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Size
4.1MB
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MD5
c2e85dfe7cb2b6dff3253b9d53f8c89f
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SHA1
dadbbf5f9cff9695b5451e389f434b0b1e617253
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SHA256
2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909
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SHA512
e9279100f399b3f221327941118ac3ac35fd1ffdd87a53e521503d5e0cede80d1e604d70705d1c98c318c63e0cdaad11191494207397575bcb2a0ab2be161432
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SSDEEP
98304:jkMJPEKe32uYFundDd2RSl0zk4cLb2FWQohe7lr9C:jkMte32AndDFlWQ0Wh87lro
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/800-2-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral1/memory/800-3-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-4-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-6-0x00000000052A0000-0x0000000005B8B000-memory.dmp family_glupteba behavioral1/memory/800-7-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-8-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-9-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-29-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4464-65-0x0000000005150000-0x0000000005A3B000-memory.dmp family_glupteba behavioral1/memory/4464-66-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/800-67-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4464-96-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4464-104-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4464-134-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4464-169-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-259-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-270-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-280-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-285-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-288-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/944-299-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2796 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 944 csrss.exe 4444 injector.exe 4292 windefender.exe 4868 windefender.exe 8 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000d0000000231da-274.dat upx behavioral1/files/0x000d0000000231da-276.dat upx behavioral1/files/0x000d0000000231da-277.dat upx behavioral1/memory/4292-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-283-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-293-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x00080000000231e9-295.dat upx behavioral1/files/0x00080000000231e9-297.dat upx behavioral1/memory/4868-298-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe File created C:\Windows\rss\csrss.exe 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.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 4124 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 3440 schtasks.exe 4340 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\1e\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4580 powershell.exe 4580 powershell.exe 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4428 powershell.exe 4428 powershell.exe 4428 powershell.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 3884 powershell.exe 3884 powershell.exe 4108 powershell.exe 4108 powershell.exe 4292 powershell.exe 4292 powershell.exe 4292 powershell.exe 4000 powershell.exe 4000 powershell.exe 4000 powershell.exe 4296 powershell.exe 4296 powershell.exe 4296 powershell.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 944 csrss.exe 944 csrss.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 944 csrss.exe 944 csrss.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 944 csrss.exe 944 csrss.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe 4444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Token: SeImpersonatePrivilege 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe Token: SeDebugPrivilege 4428 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 4296 powershell.exe Token: SeSystemEnvironmentPrivilege 944 csrss.exe Token: SeSecurityPrivilege 4124 sc.exe Token: SeSecurityPrivilege 4124 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 800 wrote to memory of 4580 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 91 PID 800 wrote to memory of 4580 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 91 PID 800 wrote to memory of 4580 800 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 91 PID 4464 wrote to memory of 4428 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 102 PID 4464 wrote to memory of 4428 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 102 PID 4464 wrote to memory of 4428 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 102 PID 4464 wrote to memory of 4340 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 104 PID 4464 wrote to memory of 4340 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 104 PID 4340 wrote to memory of 2796 4340 cmd.exe 106 PID 4340 wrote to memory of 2796 4340 cmd.exe 106 PID 4464 wrote to memory of 3884 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 108 PID 4464 wrote to memory of 3884 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 108 PID 4464 wrote to memory of 3884 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 108 PID 4464 wrote to memory of 4108 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 110 PID 4464 wrote to memory of 4108 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 110 PID 4464 wrote to memory of 4108 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 110 PID 4464 wrote to memory of 944 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 113 PID 4464 wrote to memory of 944 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 113 PID 4464 wrote to memory of 944 4464 2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe 113 PID 944 wrote to memory of 4292 944 csrss.exe 114 PID 944 wrote to memory of 4292 944 csrss.exe 114 PID 944 wrote to memory of 4292 944 csrss.exe 114 PID 944 wrote to memory of 4000 944 csrss.exe 120 PID 944 wrote to memory of 4000 944 csrss.exe 120 PID 944 wrote to memory of 4000 944 csrss.exe 120 PID 944 wrote to memory of 4296 944 csrss.exe 122 PID 944 wrote to memory of 4296 944 csrss.exe 122 PID 944 wrote to memory of 4296 944 csrss.exe 122 PID 944 wrote to memory of 4444 944 csrss.exe 126 PID 944 wrote to memory of 4444 944 csrss.exe 126 PID 4292 wrote to memory of 1628 4292 windefender.exe 133 PID 4292 wrote to memory of 1628 4292 windefender.exe 133 PID 4292 wrote to memory of 1628 4292 windefender.exe 133 PID 1628 wrote to memory of 4124 1628 cmd.exe 134 PID 1628 wrote to memory of 4124 1628 cmd.exe 134 PID 1628 wrote to memory of 4124 1628 cmd.exe 134 PID 944 wrote to memory of 8 944 csrss.exe 138 PID 944 wrote to memory of 8 944 csrss.exe 138 PID 944 wrote to memory of 8 944 csrss.exe 138 -
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\2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe"C:\Users\Admin\AppData\Local\Temp\2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4580
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C:\Users\Admin\AppData\Local\Temp\2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.exe"C:\Users\Admin\AppData\Local\Temp\2520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909.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:4464 -
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:4428
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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:4340 -
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:2796
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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:3884
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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:4108
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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:944 -
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:4292
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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:4340
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2860
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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:4000
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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:4296
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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:4444
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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:3440
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4292 -
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:1628 -
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:4124
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:8
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4868
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
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52181a02f85941f3fc62aef8474a9e471
SHA13fa76eeb3e591e4717274b71c029565b1f095fdf
SHA256507846440109467d44a42b73c896964503bb4dd386045df8a0d7d1b20041c866
SHA512dad91616d487de38720fce464ab7b202f620fa625917dd5d7b4ced88d86249209a809f91e129238707e828fde241257b3e561389331c8dab1dbdd90aea53afa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e617e24b9a8c64decf0c8f4f6906ab8
SHA138492e04cf1602941947bb3e13ad68c5f050f57a
SHA25603b5a42b0b03a6926a029d47415734a65fa93b254e98f227bcd24e73286ac146
SHA512e4a092084b74f40fcc9513afb6ca3def1c101fd83cff4ed911952191cb9aa2d57a9d5a7f7b6d98332b1194ba6d5d60d95b95f0c5097bd60304bb74af04ce938e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b351d65a71e17043b1555b72a0de032
SHA19fce3aff5568a146b0f5e5610f8c37a232623337
SHA2566e6196af8cbf6b470675b607bc82872600081e86399b0aebf49f8446783ee6f5
SHA5121d688767646b000d564ec68fdc14cdd5075d491061c54b3edc2c247f837a2bd49ec5029cad96f574d2af40a45e133c447aa6b8d2fa47bae25e6ce62e31e36243
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5ea54ba12bd141a1ac7cd8e101333bd
SHA13a3051210a395605bdb4c0468e095cfb518d0648
SHA256f01378709e9b7df1a912fd8e268bbd82d45cc1906fbea45eaad5c1ec58d94be5
SHA5126b43970f21403572efcb003289b74dd6d4a5c39adce6481c8e90b952d8b07b299f5c4836cbb78a42d956470a8723a3c33d4af25a73873e40b8caf34b24c877cf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53655f1385cf83ffa0f9d1ee7a8bed01a
SHA18d2c976f7d7babcaaac03fc636a1d1a2e295fc22
SHA256c51efad20c45edc1638560fbb46d980cbaad2ba3d38c0bc465308d40cb26a28e
SHA512c3308b1d410c1765842a8241480ee35831507a0dd88382d8d72089695a5170a074e63f1b1d43d7d75944d8b67fd47eb11c00c6359bebea208ed90f32a167a219
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Filesize
4.1MB
MD5c2e85dfe7cb2b6dff3253b9d53f8c89f
SHA1dadbbf5f9cff9695b5451e389f434b0b1e617253
SHA2562520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909
SHA512e9279100f399b3f221327941118ac3ac35fd1ffdd87a53e521503d5e0cede80d1e604d70705d1c98c318c63e0cdaad11191494207397575bcb2a0ab2be161432
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Filesize
4.1MB
MD5c2e85dfe7cb2b6dff3253b9d53f8c89f
SHA1dadbbf5f9cff9695b5451e389f434b0b1e617253
SHA2562520f6936f6261415b02a2bc8b74c7ca3be8597f3608fde34128097db034e909
SHA512e9279100f399b3f221327941118ac3ac35fd1ffdd87a53e521503d5e0cede80d1e604d70705d1c98c318c63e0cdaad11191494207397575bcb2a0ab2be161432
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec