Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 21:54
Static task
static1
Behavioral task
behavioral1
Sample
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe
Resource
win10v2004-20240508-en
General
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Target
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe
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Size
4.1MB
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MD5
92463914e0bb0fe1eeda0c9d9f6ad7de
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SHA1
155d5ad10a505b7494cc36c79950ee992039783f
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SHA256
4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19
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SHA512
3dc13db1cf106a2dc43cba78d746cffb56f01266a7ba422e11852081e780ae73c4fa36efcbfdf62e70595ce8a52c548ec726e6a13afd67a91d5bdbe471c076b1
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SSDEEP
98304:t/1aS45wg9wCj95WS7Tld+z+RCAmv1nHALSIO:t/oSJg9H959pd0eCv1HALSN
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3532-2-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/3532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3532-97-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3328-123-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/3532-136-0x0000000004D20000-0x000000000560B000-memory.dmp family_glupteba behavioral2/memory/3532-172-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1860-201-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-221-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-227-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1860-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4596 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1860 csrss.exe 124 injector.exe 668 windefender.exe 2804 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0a-204.dat upx behavioral2/memory/668-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2804-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/668-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2804-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2804-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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 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 -
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 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe File created C:\Windows\rss\csrss.exe 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1000 sc.exe -
pid Process 1460 powershell.exe 2980 powershell.exe 760 powershell.exe 1384 powershell.exe 4896 powershell.exe 2088 powershell.exe 4728 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 3196 schtasks.exe 2260 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-2512 = "Lord Howe Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.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\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.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,-435 = "Georgian Standard 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" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central 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,-151 = "Central America Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe 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,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2980 powershell.exe 2980 powershell.exe 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 760 powershell.exe 760 powershell.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 1384 powershell.exe 1384 powershell.exe 4896 powershell.exe 4896 powershell.exe 2088 powershell.exe 2088 powershell.exe 4728 powershell.exe 4728 powershell.exe 1460 powershell.exe 1460 powershell.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 1860 csrss.exe 1860 csrss.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 1860 csrss.exe 1860 csrss.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 1860 csrss.exe 1860 csrss.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Token: SeImpersonatePrivilege 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe Token: SeDebugPrivilege 760 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 1460 powershell.exe Token: SeSystemEnvironmentPrivilege 1860 csrss.exe Token: SeSecurityPrivilege 1000 sc.exe Token: SeSecurityPrivilege 1000 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3532 wrote to memory of 2980 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 79 PID 3532 wrote to memory of 2980 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 79 PID 3532 wrote to memory of 2980 3532 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 79 PID 3328 wrote to memory of 760 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 84 PID 3328 wrote to memory of 760 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 84 PID 3328 wrote to memory of 760 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 84 PID 3328 wrote to memory of 3940 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 86 PID 3328 wrote to memory of 3940 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 86 PID 3940 wrote to memory of 4596 3940 cmd.exe 88 PID 3940 wrote to memory of 4596 3940 cmd.exe 88 PID 3328 wrote to memory of 1384 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 89 PID 3328 wrote to memory of 1384 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 89 PID 3328 wrote to memory of 1384 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 89 PID 3328 wrote to memory of 4896 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 91 PID 3328 wrote to memory of 4896 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 91 PID 3328 wrote to memory of 4896 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 91 PID 3328 wrote to memory of 1860 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 93 PID 3328 wrote to memory of 1860 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 93 PID 3328 wrote to memory of 1860 3328 4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe 93 PID 1860 wrote to memory of 2088 1860 csrss.exe 94 PID 1860 wrote to memory of 2088 1860 csrss.exe 94 PID 1860 wrote to memory of 2088 1860 csrss.exe 94 PID 1860 wrote to memory of 4728 1860 csrss.exe 100 PID 1860 wrote to memory of 4728 1860 csrss.exe 100 PID 1860 wrote to memory of 4728 1860 csrss.exe 100 PID 1860 wrote to memory of 1460 1860 csrss.exe 102 PID 1860 wrote to memory of 1460 1860 csrss.exe 102 PID 1860 wrote to memory of 1460 1860 csrss.exe 102 PID 1860 wrote to memory of 124 1860 csrss.exe 104 PID 1860 wrote to memory of 124 1860 csrss.exe 104 PID 668 wrote to memory of 592 668 windefender.exe 110 PID 668 wrote to memory of 592 668 windefender.exe 110 PID 668 wrote to memory of 592 668 windefender.exe 110 PID 592 wrote to memory of 1000 592 cmd.exe 111 PID 592 wrote to memory of 1000 592 cmd.exe 111 PID 592 wrote to memory of 1000 592 cmd.exe 111 -
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\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980
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C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.exe"C:\Users\Admin\AppData\Local\Temp\4d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19.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:3328 -
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:760
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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:3940 -
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:4596
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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:1384
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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:4896
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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:1860 -
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:2088
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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:3196
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1680
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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:4728
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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:1460
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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:124
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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:2260
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:668 -
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:592 -
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:1000
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2804
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50992dadbd39cfe620211dcb5af332aec
SHA10cb2deff03606fa77be44c9d4789257ebd1da43f
SHA25646e1911b066db0f13d6dfa123dafba82cbfed73796ce4462eebc90c48c2aecff
SHA512f60885fdb033a4029728180827964533ee56464a323ec153bc748c7111963585a6644c5928a5d0dc9c57e1078cb8cf6d1d7621279dcd965582cd38f7bc6b77bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519912dcc43c72e340364d0f6ab7e43d4
SHA1c04d507cbd7416ccbd41859426073ffd3ab0be27
SHA256af71c92f18c982915af20f371c8c6b1fff081d0a475add645b3e9e7d5aad6beb
SHA5122b5d6d1d8c3d2010b6145cc586239849c033f3cd8ec81e3de0bab7b318c3c8285d579d5a4adf996e95239624471c0339b56d03d499f68df97d4cb8c0f5dfe174
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a938dbedb653c7e1da9ec4ff37cbeca6
SHA122939b5cdade5120b538e9eefce30377c6de781f
SHA256181b548f6b8b0042b61c4cb25e137985e8f64749397d00ff8ea2507c55b21bd1
SHA512e363b005726fe085645ebd362e8b2a762711ae89ecac0f39f9daf94275585f2c1fb42b27399e76e05a6dccec2d1961146a0dcd956566143825cd9996fd09b19d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56836f37b5ec9bc7d2128be9eeb691aa5
SHA1b57f5c67043d1c278ea745f23d40097683a2263b
SHA256525830c17eee2b287e250f030d50ec0382a6a52e7a68a40d91cbcb9ebbd4f639
SHA51223d31b0943ba0a3311df808c33322f5585a213db3d755aed511603afb88b7e8e3e46d722f5c8a63848be5a3c59d4a526c7b954c56cbc25d3c326060421b850a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9db148934da965dd24ec9a6c263c7ac
SHA195d8cce893583f4e831201ab5187ba71cf0064d7
SHA2566f417913fe0b9b356169edee490fe474a84d8dc339f1cfaa515e29474680034d
SHA512900358ddd4c9dfd165b4427e096bff04ae9e2a3565e30dca1fdebdba476716050893ac60997eb256badd2980081184e20780a21a9977b6c2008bda41e88a0e86
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Filesize
4.1MB
MD592463914e0bb0fe1eeda0c9d9f6ad7de
SHA1155d5ad10a505b7494cc36c79950ee992039783f
SHA2564d202d7e631cadd74cdbac2dfd75cedc5cb9a8afb9bf06e9440b1477e39f8d19
SHA5123dc13db1cf106a2dc43cba78d746cffb56f01266a7ba422e11852081e780ae73c4fa36efcbfdf62e70595ce8a52c548ec726e6a13afd67a91d5bdbe471c076b1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec