Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:50
Static task
static1
Behavioral task
behavioral1
Sample
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe
Resource
win10v2004-20240426-en
General
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Target
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe
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Size
4.1MB
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MD5
85336775d7b066dd2156478774f7c172
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SHA1
e801aa9b2fdc7e82091c5cb4704f6c5c06810b60
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SHA256
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c
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SHA512
d636f78ff603da83fd7f6f97cbeb76653f308d3c2038ac0b989b01c5d60255da5daa24065da8eee0b9185a65cfabebdd96e62bddfd942aca7504bdd3c263c198
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0h:YLmIkbquibpii2yAk4+2fEKmbS
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/2952-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2952-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2952-57-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral1/memory/2952-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1508-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1880-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 448 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1880 csrss.exe 3296 injector.exe 1900 windefender.exe 864 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1900-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1900-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/864-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exedescription ioc process 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 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe File created C:\Windows\rss\csrss.exe bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2748 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1288 powershell.exe 4600 powershell.exe 4060 powershell.exe 3872 powershell.exe 544 powershell.exe 1600 powershell.exe 32 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 2404 schtasks.exe 4700 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1288 powershell.exe 1288 powershell.exe 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 4600 powershell.exe 4600 powershell.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe 4060 powershell.exe 4060 powershell.exe 4060 powershell.exe 3872 powershell.exe 3872 powershell.exe 3872 powershell.exe 544 powershell.exe 544 powershell.exe 1600 powershell.exe 1600 powershell.exe 1600 powershell.exe 32 powershell.exe 32 powershell.exe 32 powershell.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1880 csrss.exe 1880 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1880 csrss.exe 1880 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 1880 csrss.exe 1880 csrss.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe 3296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Token: SeImpersonatePrivilege 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 3872 powershell.exe Token: SeDebugPrivilege 544 powershell.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 32 powershell.exe Token: SeSystemEnvironmentPrivilege 1880 csrss.exe Token: SeSecurityPrivilege 2748 sc.exe Token: SeSecurityPrivilege 2748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exebae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2952 wrote to memory of 1288 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 2952 wrote to memory of 1288 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 2952 wrote to memory of 1288 2952 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 4600 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe schtasks.exe PID 1508 wrote to memory of 4600 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe schtasks.exe PID 1508 wrote to memory of 4600 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe schtasks.exe PID 1508 wrote to memory of 856 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe cmd.exe PID 1508 wrote to memory of 856 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe cmd.exe PID 856 wrote to memory of 448 856 cmd.exe netsh.exe PID 856 wrote to memory of 448 856 cmd.exe netsh.exe PID 1508 wrote to memory of 4060 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 4060 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 4060 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 3872 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 3872 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 3872 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe powershell.exe PID 1508 wrote to memory of 1880 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe csrss.exe PID 1508 wrote to memory of 1880 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe csrss.exe PID 1508 wrote to memory of 1880 1508 bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe csrss.exe PID 1880 wrote to memory of 544 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 544 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 544 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 1600 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 1600 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 1600 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 32 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 32 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 32 1880 csrss.exe powershell.exe PID 1880 wrote to memory of 3296 1880 csrss.exe injector.exe PID 1880 wrote to memory of 3296 1880 csrss.exe injector.exe PID 1900 wrote to memory of 4812 1900 windefender.exe cmd.exe PID 1900 wrote to memory of 4812 1900 windefender.exe cmd.exe PID 1900 wrote to memory of 4812 1900 windefender.exe cmd.exe PID 4812 wrote to memory of 2748 4812 cmd.exe sc.exe PID 4812 wrote to memory of 2748 4812 cmd.exe sc.exe PID 4812 wrote to memory of 2748 4812 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\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288 -
C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.exe"C:\Users\Admin\AppData\Local\Temp\bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c.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:1508 -
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:4600 -
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:856 -
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:448 -
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:4060 -
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:3872 -
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:1880 -
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:544 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2404 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4600
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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:1600 -
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:32 -
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:3296 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4700 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1900 -
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:4812 -
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:2748
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:864
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
MD5d2d40e384abc3dc9a17f99552aef1d89
SHA159ce567d7a481919dabc95ee27831cb04b9285ab
SHA256b3f7c2bfd2dc0781e50d6365fcdc1875f4a9840d1378ceadf7829d7b6224a2fb
SHA5129a8e838ed9eef32312726a1da10daab19f2ced5c5b6c28bd78825aae4f6af11ac5b6b88d913ac384dae3557168095efe060230daf110a84661737f848e6131f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5936edbef7619abd1004ac4f6c8aae0c3
SHA1abf817688b649de3f1fbba58d1fe1bc65189d4e9
SHA2563562b52f0ecbd6b5ca505ba64cd23e85fde71460427a2152fb2fed97af26b502
SHA512feabbac2ff8ab53e13fc190ef3b99b9cb14dc5f1c83f722890b92f09a5b6d8a6b47b8b2df543b80c2711d6dba71bc239f1b3989a407e6fada0d2fa875cef1355
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da0eacdc6a51d5c0283bfa1dd52bdaeb
SHA1a90df34503066893d3ad687f8ede8ca7ea4a35eb
SHA2568a54ec6bd4b201253d94c41873a0904d1e89494d44feffa55d7c70e01613bef3
SHA5127bc294ce60e3469cf5f3599ea3eadf0baa71bb257e439cdb766e802df2591d48c71762d819828770b35a3bf3fb27c609349fea93e48e65ee7b9c135e85d0b1d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c2d5614bee4b9fdfc728a8c7cae55eb
SHA1345495bf726a54bd108e547e3425b9de9f652281
SHA25621852f81d5f26a26841d0f6291de419c2cb1c2ca36c8f09c0b43bc44d6a6ac89
SHA51256a95b7a01be969cda85472fcb18584ab36429393bde4c96c4834727c8331a01f2727a0467298a77340398d8e0a1f6cc19db9e8948f4aebf1c6d04cf0d5b3295
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1065a141389fadbfe4f2e6dda39517b
SHA191b333833bb37e074df4aed716e4deaaf6fd9363
SHA256086e525ac2a977f9107d1d8fcaa6ce0481583a79a7332e932ca0fe4ac9860a46
SHA5120c0ced31ed2f6e55a722bc054e5ca489d6d1a37e3b5e3969ea39771c69f3db1426ee344b8ed52c8b27b22cb4f6a2f7ca515411518ea754e480c7dee666131124
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Filesize
4.1MB
MD585336775d7b066dd2156478774f7c172
SHA1e801aa9b2fdc7e82091c5cb4704f6c5c06810b60
SHA256bae2819e941ddcea522341ec148d7f7a59e0db4ee7e42f44c2ddeb5e92066c9c
SHA512d636f78ff603da83fd7f6f97cbeb76653f308d3c2038ac0b989b01c5d60255da5daa24065da8eee0b9185a65cfabebdd96e62bddfd942aca7504bdd3c263c198
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec