Analysis
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max time kernel
149s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-05-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe
Resource
win10v2004-20240226-en
General
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Target
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe
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Size
4.1MB
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MD5
7ce3794031bd35b1b8267826ec49d818
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SHA1
24ba8cb16b57b4561e02e93f39842e8c330b3f08
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SHA256
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05
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SHA512
38fb2a23e76e8aca32726a2f6561f46da425dd5d440cbe359199df83fc6041ac1824b19d702426574bc0df2398484899d2f084243e6055e1c39259e5a06a0a81
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SSDEEP
98304:taldxVYbeltggr6p7qKtgoJu9O6Qxc6qPeInuZKahKn+3QC:ixq6ggrt/os9O/WxuFhK+AC
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1132-2-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/1132-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-47-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/1132-53-0x0000000004A60000-0x000000000534B000-memory.dmp family_glupteba behavioral2/memory/1132-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1132-77-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/1344-101-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/1344-126-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-176-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-204-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-214-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-217-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-220-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-223-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-226-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-229-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-232-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-235-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral2/memory/844-238-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3872 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 844 csrss.exe 4204 injector.exe 4540 windefender.exe 4272 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4540-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4540-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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.
Processes:
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe -
Drops file in Windows directory 4 IoCs
Processes:
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe File created C:\Windows\rss\csrss.exe 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.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 3520 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2360 powershell.exe 400 powershell.exe 3268 powershell.exe 1664 powershell.exe 1956 powershell.exe 932 powershell.exe 1556 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 4460 schtasks.exe 4848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-791 = "SA Western 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\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-681 = "E. Australia Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight 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" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-662 = "Cen. Australia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exepowershell.exe94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 932 powershell.exe 932 powershell.exe 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1556 powershell.exe 1556 powershell.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe 2360 powershell.exe 2360 powershell.exe 400 powershell.exe 400 powershell.exe 3268 powershell.exe 3268 powershell.exe 1664 powershell.exe 1664 powershell.exe 1956 powershell.exe 1956 powershell.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 844 csrss.exe 844 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 844 csrss.exe 844 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 844 csrss.exe 844 csrss.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe 4204 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 932 powershell.exe Token: SeDebugPrivilege 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Token: SeImpersonatePrivilege 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 400 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeSystemEnvironmentPrivilege 844 csrss.exe Token: SeSecurityPrivilege 3520 sc.exe Token: SeSecurityPrivilege 3520 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1132 wrote to memory of 932 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1132 wrote to memory of 932 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1132 wrote to memory of 932 1132 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 1556 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 1556 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 1556 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 1632 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe cmd.exe PID 1344 wrote to memory of 1632 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe cmd.exe PID 1632 wrote to memory of 3872 1632 cmd.exe netsh.exe PID 1632 wrote to memory of 3872 1632 cmd.exe netsh.exe PID 1344 wrote to memory of 2360 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 2360 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 2360 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 400 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 400 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 400 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe powershell.exe PID 1344 wrote to memory of 844 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe csrss.exe PID 1344 wrote to memory of 844 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe csrss.exe PID 1344 wrote to memory of 844 1344 94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe csrss.exe PID 844 wrote to memory of 3268 844 csrss.exe powershell.exe PID 844 wrote to memory of 3268 844 csrss.exe powershell.exe PID 844 wrote to memory of 3268 844 csrss.exe powershell.exe PID 844 wrote to memory of 1664 844 csrss.exe powershell.exe PID 844 wrote to memory of 1664 844 csrss.exe powershell.exe PID 844 wrote to memory of 1664 844 csrss.exe powershell.exe PID 844 wrote to memory of 1956 844 csrss.exe powershell.exe PID 844 wrote to memory of 1956 844 csrss.exe powershell.exe PID 844 wrote to memory of 1956 844 csrss.exe powershell.exe PID 844 wrote to memory of 4204 844 csrss.exe injector.exe PID 844 wrote to memory of 4204 844 csrss.exe injector.exe PID 4540 wrote to memory of 3512 4540 windefender.exe cmd.exe PID 4540 wrote to memory of 3512 4540 windefender.exe cmd.exe PID 4540 wrote to memory of 3512 4540 windefender.exe cmd.exe PID 3512 wrote to memory of 3520 3512 cmd.exe sc.exe PID 3512 wrote to memory of 3520 3512 cmd.exe sc.exe PID 3512 wrote to memory of 3520 3512 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\94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe"C:\Users\Admin\AppData\Local\Temp\94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932
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C:\Users\Admin\AppData\Local\Temp\94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.exe"C:\Users\Admin\AppData\Local\Temp\94b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05.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:1344 -
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:1556
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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:1632 -
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:3872
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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:2360
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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:400
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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:844 -
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:3268
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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:4848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1812
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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:1664
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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:1956
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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:4204
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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:4460
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4540 -
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:3512 -
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:3520
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4272
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cfd082afa20c2c18759439cbe0151fff
SHA19799f4085041177381bad3b0b95ea24f3b068301
SHA256a7a7f118a631c13ec795ed04af1ae796d6693f40b60e632395cc4dc8cadffca8
SHA512c8df7bdbf11bb97286b315d40f42fb5486681206fc941ce892125bd99a4c4a8f46748024dbe9011cbd8d4ba28feb38d54f8aa055d4e74d797aeabc35fd4984f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6d5dc226b43397c87de8e958826f5e3
SHA11c4c52b7ca4a9b8fc9f7add12d3b19893a5f6249
SHA2560010f8a3c9b3ec0093fc64ba6b0d438f0185117590d22ed4f820e0aaa990a3ac
SHA5122581384289051dfff5a8849451be8f17785cf29b8e597c1d584b2cc64b78daf7c1a1e315e05015f5b5a7993a75e608110bb3670e52da357f1ae6c6371fd01b3e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ff08d0752047f8051cea4280a51ba27
SHA1f8a56e22ebd44a0d9df17b099a03628f7cf2248d
SHA25681bae7870c394877ce42524cae3cd7389c9976228c2f7ccf247a06f2545381ca
SHA512c146826bb7bbb5423113de5832859cf6b645e2cafe0c441075e7ad6b14cbccc214132c8b66f6b9fabf3de5728ae3aeacc98eec3d762c501a3f6d60d021c38a57
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7809827084d56c448b700a918f39b65
SHA125c7b58467c526603de86d7f932701a3a404b345
SHA2564690bac6ed06a5bd232fdd7a63e5c480a39c295fb345dfbc24a956ba49859c05
SHA5128aaf25a4dab5d61ad1184d5ada095eeba3c49380621f47a85d86cf8f33a1c05dcf8b463117925ed1730b36b5a67df586fb133672a51083247e16043b2f445533
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed170b050b445c5547eb08ef0ce4e8f4
SHA1968852cd403ceb8bb141659b46b91ccef61c8976
SHA256dc8d0111af3a0210c626369854c03a7051e6fe8e50a73622b7041a05c7f2027b
SHA5126551d45a08905a481aeb9cbb52b624dc7215a3686e8a49b1ad5f4d2676d748f7997932ca9b6d93b4cb1722485dd4c1d2b0861885cf3100450a66706793973488
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Filesize
4.1MB
MD57ce3794031bd35b1b8267826ec49d818
SHA124ba8cb16b57b4561e02e93f39842e8c330b3f08
SHA25694b9549f5499f693b0936ba8a827876e96ad2077395fd9bffa1e6638ba7a5d05
SHA51238fb2a23e76e8aca32726a2f6561f46da425dd5d440cbe359199df83fc6041ac1824b19d702426574bc0df2398484899d2f084243e6055e1c39259e5a06a0a81
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec