Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe
Resource
win10v2004-20240508-en
General
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Target
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe
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Size
4.1MB
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MD5
7719e380e9ea2836ef30d49ca060030e
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SHA1
13697a1941551c0ef5548d857f27949599e5adcb
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SHA256
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa
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SHA512
a67bba6f77ba05b5b7eb9036e33ef02798a09eb08139feb4942dcf94194e3d25c850a385a4cf3e536a1f7990f04d4dea3a8c7e4371d23c2b6bd194d55da172f8
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9n3:uQAQcDPYxuCJe7X5ghf3
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4372-2-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral1/memory/4372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4372-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4372-57-0x0000000004880000-0x000000000516B000-memory.dmp family_glupteba behavioral1/memory/4372-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4092-132-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4968-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4448 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4968 csrss.exe 3280 injector.exe 3344 windefender.exe 1220 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3344-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1220-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3344-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1220-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1220-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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 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 -
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.
Processes:
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe -
Drops file in Windows directory 4 IoCs
Processes:
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe File created C:\Windows\rss\csrss.exe 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.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.
Processes:
sc.exepid process 4424 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3468 powershell.exe 2616 powershell.exe 3708 powershell.exe 4596 powershell.exe 2424 powershell.exe 1620 powershell.exe 4552 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4812 schtasks.exe 1824 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.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\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exepowershell.exe7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2616 powershell.exe 2616 powershell.exe 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 3708 powershell.exe 3708 powershell.exe 3708 powershell.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 2424 powershell.exe 2424 powershell.exe 2424 powershell.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 4552 powershell.exe 4552 powershell.exe 3468 powershell.exe 3468 powershell.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 4968 csrss.exe 4968 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 4968 csrss.exe 4968 csrss.exe 3280 injector.exe 3280 injector.exe 4968 csrss.exe 4968 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2616 powershell.exe Token: SeDebugPrivilege 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Token: SeImpersonatePrivilege 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 4424 sc.exe Token: SeSecurityPrivilege 4424 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4372 wrote to memory of 2616 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4372 wrote to memory of 2616 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4372 wrote to memory of 2616 4372 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 3708 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 3708 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 3708 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 4552 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe cmd.exe PID 4092 wrote to memory of 4552 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe cmd.exe PID 4552 wrote to memory of 4448 4552 cmd.exe netsh.exe PID 4552 wrote to memory of 4448 4552 cmd.exe netsh.exe PID 4092 wrote to memory of 4596 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 4596 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 4596 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 2424 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 2424 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 2424 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe powershell.exe PID 4092 wrote to memory of 4968 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe csrss.exe PID 4092 wrote to memory of 4968 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe csrss.exe PID 4092 wrote to memory of 4968 4092 7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe csrss.exe PID 4968 wrote to memory of 1620 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 1620 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 1620 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 4552 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 4552 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 4552 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 3468 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 3468 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 3468 4968 csrss.exe powershell.exe PID 4968 wrote to memory of 3280 4968 csrss.exe injector.exe PID 4968 wrote to memory of 3280 4968 csrss.exe injector.exe PID 3344 wrote to memory of 5084 3344 windefender.exe cmd.exe PID 3344 wrote to memory of 5084 3344 windefender.exe cmd.exe PID 3344 wrote to memory of 5084 3344 windefender.exe cmd.exe PID 5084 wrote to memory of 4424 5084 cmd.exe sc.exe PID 5084 wrote to memory of 4424 5084 cmd.exe sc.exe PID 5084 wrote to memory of 4424 5084 cmd.exe sc.exe -
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\7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe"C:\Users\Admin\AppData\Local\Temp\7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2616 -
C:\Users\Admin\AppData\Local\Temp\7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.exe"C:\Users\Admin\AppData\Local\Temp\7dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa.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:4092 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3708 -
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:4552 -
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:4448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2424 -
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:4968 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4812 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2884
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3468 -
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:3280 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1824 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3344 -
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:5084 -
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:4424
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1220
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dc4d3e4518977a343e8dfb39d993444a
SHA13032f516fd5067e986a668764105d142de6769cf
SHA25676bf307de9ce735e2fb9893d21399aa92094275168199ceeee5baea9e6e82cf5
SHA512db0bca560edd3300bcdd30b36c3061414586bdb20bcd351a779357247e98ebcbb146b9b122ac7b9fba1af7a4096f3966ec9c37e71db01022b6184b8165717f74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7b3996e470b131127f00e52cb1f59d9
SHA13b62b2efcddeefb8a7e175efbe7e4030169d3aae
SHA25681f83c68300fff45c5610d305999e0712d5706ccc6e7baa8196e71ef71d34ead
SHA5122a7343ae78a4a2544727f8cef22c83739effc316806078866bc337db6fe04b0c59926514cdb057e11c2905f02565d1e13fd8de00dd0a24faafb0e1399273dc26
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58fc1311423715118ef5287a5fba99308
SHA171f107a730306d30fe011c5110cd9b3ee077a566
SHA256e97f9a84e3aeabe315a84f4b2498521fda636d32ba0cdcc6c9aeb086b95e90bf
SHA5129c3480bc5dc3c53e7d14edb8862cef369c6ef9599441e227f1efe29aad2fb9f359c08210de396d8b9ff573530d586d01131da572e0b6f6a4e4f3ac2828d40ffa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9b1523626ddeaebd13060e3039c136d
SHA11d62a16e1e38e565cd638c0f6633429d9ea84a7a
SHA2569b5a336d1d2872e3b34800f562428ffd81f2fdb36fe744fd7e71bbce777e6364
SHA51218ae2f3f28f05ca7310e1b12ef631470b3d098b29115ee0252cebe9665ab03c9e6580552494a827c820a4302a68616e84fd2c404c943c2aefbfdf06a73318df9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5769586644e66fba9e19c97d5ef89d183
SHA100715406dadfe3f674a2976b92e8e43981a58e48
SHA256b3106892dabaaababdac0db2ee3c7fc8e277a7e839e1026c18febf6a34f95175
SHA5120aa1e2d07c6b5c8cea66b75ae2f13b57b069ffbf6694d2fe4515d55ccc57030f47bf4ac7da63616392cd5464fe7b71aa2301396cfbddd514bc69967e86013537
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Filesize
4.1MB
MD57719e380e9ea2836ef30d49ca060030e
SHA113697a1941551c0ef5548d857f27949599e5adcb
SHA2567dc7a13d4395d698eeed8b23f27ede688062adbd028a5577c9be9a9d08c326fa
SHA512a67bba6f77ba05b5b7eb9036e33ef02798a09eb08139feb4942dcf94194e3d25c850a385a4cf3e536a1f7990f04d4dea3a8c7e4371d23c2b6bd194d55da172f8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec