Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 08:21
Static task
static1
Behavioral task
behavioral1
Sample
9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe
Resource
win10v2004-20240508-en
General
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Target
9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe
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Size
4.1MB
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MD5
bf481bf8e5872aa66da25ad7babfc266
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SHA1
ad41865f30d1b765f97084ef8aaf3d7b59533227
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SHA256
9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650
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SHA512
bd2f0bd2161cd97d02ead970620198f5018de89ccd37b9be6d4c971fdb2e647a23de950be50c42f0c86f2c57cb8e1c1b160f3ce5b9b8d448f950ab8b2f22f12b
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SSDEEP
98304:4cO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxE:4cO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsm
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4532-2-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4532-81-0x0000000004B70000-0x000000000545B000-memory.dmp family_glupteba behavioral1/memory/4532-79-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4532-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4412-134-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-219-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-251-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-259-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-263-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-267-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/5104-271-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4672 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5104 csrss.exe 4496 injector.exe 2696 windefender.exe 2268 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233f4-222.dat upx behavioral1/memory/2696-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2696-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3168 sc.exe -
pid Process 4744 powershell.exe 1396 powershell.exe 4908 powershell.exe 4132 powershell.exe 1824 powershell.exe 3116 powershell.exe 4360 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1884 schtasks.exe 4316 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard 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" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt 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,-742 = "New Zealand Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2431 = "Cuba Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.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,-492 = "India Standard 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" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4908 powershell.exe 4908 powershell.exe 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4132 powershell.exe 4132 powershell.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 1824 powershell.exe 1824 powershell.exe 3116 powershell.exe 3116 powershell.exe 4360 powershell.exe 4360 powershell.exe 4744 powershell.exe 4744 powershell.exe 1396 powershell.exe 1396 powershell.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 5104 csrss.exe 5104 csrss.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 5104 csrss.exe 5104 csrss.exe 4496 injector.exe 4496 injector.exe 5104 csrss.exe 5104 csrss.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe 4496 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4908 powershell.exe Token: SeDebugPrivilege 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Token: SeImpersonatePrivilege 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe Token: SeDebugPrivilege 4132 powershell.exe Token: SeDebugPrivilege 1824 powershell.exe Token: SeDebugPrivilege 3116 powershell.exe Token: SeDebugPrivilege 4360 powershell.exe Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 1396 powershell.exe Token: SeSystemEnvironmentPrivilege 5104 csrss.exe Token: SeSecurityPrivilege 3168 sc.exe Token: SeSecurityPrivilege 3168 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4532 wrote to memory of 4908 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 82 PID 4532 wrote to memory of 4908 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 82 PID 4532 wrote to memory of 4908 4532 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 82 PID 4412 wrote to memory of 4132 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 90 PID 4412 wrote to memory of 4132 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 90 PID 4412 wrote to memory of 4132 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 90 PID 4412 wrote to memory of 2152 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 93 PID 4412 wrote to memory of 2152 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 93 PID 2152 wrote to memory of 4672 2152 cmd.exe 95 PID 2152 wrote to memory of 4672 2152 cmd.exe 95 PID 4412 wrote to memory of 1824 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 96 PID 4412 wrote to memory of 1824 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 96 PID 4412 wrote to memory of 1824 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 96 PID 4412 wrote to memory of 3116 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 99 PID 4412 wrote to memory of 3116 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 99 PID 4412 wrote to memory of 3116 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 99 PID 4412 wrote to memory of 5104 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 101 PID 4412 wrote to memory of 5104 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 101 PID 4412 wrote to memory of 5104 4412 9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe 101 PID 5104 wrote to memory of 4360 5104 csrss.exe 102 PID 5104 wrote to memory of 4360 5104 csrss.exe 102 PID 5104 wrote to memory of 4360 5104 csrss.exe 102 PID 5104 wrote to memory of 4744 5104 csrss.exe 108 PID 5104 wrote to memory of 4744 5104 csrss.exe 108 PID 5104 wrote to memory of 4744 5104 csrss.exe 108 PID 5104 wrote to memory of 1396 5104 csrss.exe 110 PID 5104 wrote to memory of 1396 5104 csrss.exe 110 PID 5104 wrote to memory of 1396 5104 csrss.exe 110 PID 5104 wrote to memory of 4496 5104 csrss.exe 113 PID 5104 wrote to memory of 4496 5104 csrss.exe 113 PID 2696 wrote to memory of 4768 2696 windefender.exe 119 PID 2696 wrote to memory of 4768 2696 windefender.exe 119 PID 2696 wrote to memory of 4768 2696 windefender.exe 119 PID 4768 wrote to memory of 3168 4768 cmd.exe 120 PID 4768 wrote to memory of 3168 4768 cmd.exe 120 PID 4768 wrote to memory of 3168 4768 cmd.exe 120 -
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\9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe"C:\Users\Admin\AppData\Local\Temp\9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.exe"C:\Users\Admin\AppData\Local\Temp\9c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650.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:4412 -
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:4132
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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:2152 -
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:4672
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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:1824
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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:3116
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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:5104 -
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:4360
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1420
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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:4744
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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:1396
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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:4496
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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:4316
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2696 -
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:4768 -
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:3168
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2268
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57638ea46ca6b3e64a37c45a14cf5efd3
SHA157f43252571ec1db58f42797db6374dd222f5839
SHA2563c122321b3356f868812842988baaa28b51c3cbaae9222ca9828be3125bd9c79
SHA512f15ddebeaa315697c3c1387e356f103e560bb0c2ec75f10739b306aaa63c6d8bfadca72f109a75ad0152058bd3c35e500f7385f311f400e3e333a853ed5a7f9f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b88d605f44894acb8b8910bf8b3b9c54
SHA12636e21b27aeb3d7020035c260c6fba10996e596
SHA2563c9caa884186d276821c75a10146f0f844b17aa6f8350cb5f6a4121dc011c075
SHA5124f64d1ad4f5487ff7c79fa64b7e0d21300e3f498c01d919bc881787128a1bb7341311fd9d1a292ffb0b80af35d79cc933954350b705a2878750056f0efb45dbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54e3113d18545c1987023c3b43f956c34
SHA1404ecd365e9f76b86d4ec801568e0fe838c201ab
SHA256a5b1c32d2bd48b36e1ea65b54002b90e5c9c8ae766847d1f2c9deb2b3ab72629
SHA512132f7447d81f45890286c83aa24012ef206e31ab0de1c5144777e1930e2131fe92f92f1a46014ca41a4de48026e7a06e664bbec267a767bcf4fd71c7cc5f958d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a9167e6cef374a7e013a57c47650f7a
SHA14eadf593d26b44db8e0f87e0d5ad84aa92ecbf8d
SHA256ab5a11659597429ac81e2028a1fe16793d27b5cf67f82bfa3dd83883691aa350
SHA5126b03e26b72448c7df5fcd6623d461b8f2289adf327ebba5cd95aa5466987a42f31b488367b63b48addea7636d5240479b53e26d1e490914d6e41141e923a8097
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ee0f980b014665a111c7b5b574a1753
SHA11713c152e4d678f0c2785c7a2cffdd4bd276524e
SHA2564f8efd355e769507b496d37fdee06423ec061e291637dee05763c02749b5b41e
SHA512c359189f75b8d60ea5cfac0dc8da322ab02b860935083e31aa6051bfe6035b3493621526e1a1121e09aa93d338709b752c6f436991bcca49591e8b23dc6c4ff2
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Filesize
4.1MB
MD5bf481bf8e5872aa66da25ad7babfc266
SHA1ad41865f30d1b765f97084ef8aaf3d7b59533227
SHA2569c396089f62e002e725a9e374544c62f7bfbc3cf600b38e0daa1326ac9c1c650
SHA512bd2f0bd2161cd97d02ead970620198f5018de89ccd37b9be6d4c971fdb2e647a23de950be50c42f0c86f2c57cb8e1c1b160f3ce5b9b8d448f950ab8b2f22f12b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec