Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:02
Static task
static1
Behavioral task
behavioral1
Sample
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe
Resource
win10v2004-20240508-en
General
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Target
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe
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Size
4.1MB
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MD5
407f05eefb6949799759797bf6e11fb9
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SHA1
8326b35821a18449b59f8c40cdddfbf6a1a8d774
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SHA256
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a
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SHA512
7a918d2ee193475c3b7f63f173652ab267244d7d27a90852abdb0d415887c929d53a64b46f1f719f282000a64508a8e4e267465828051e278a71c6f05d505e94
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WF:UqU8A9EamDpImBOY9f2NF
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3260-2-0x0000000004940000-0x000000000522B000-memory.dmp family_glupteba behavioral1/memory/3260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-107-0x0000000004940000-0x000000000522B000-memory.dmp family_glupteba behavioral1/memory/3260-105-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/648-135-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3260-184-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3968-212-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-228-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-254-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-257-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3968-260-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 736 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3968 csrss.exe 2036 injector.exe 3720 windefender.exe 3508 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000900000002356d-221.dat upx behavioral1/memory/3720-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3508-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3720-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3508-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3508-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Drops file in Windows directory 4 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3360 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 332 powershell.exe 372 powershell.exe 3164 powershell.exe 2960 powershell.exe 1828 powershell.exe 2956 powershell.exe 4448 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 3144 schtasks.exe 4504 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.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,-372 = "Jerusalem Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-451 = "Caucasus Daylight Time" windefender.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,-2532 = "Chatham Islands Standard Time" windefender.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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight 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,-2162 = "Altai Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan 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" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 332 powershell.exe 332 powershell.exe 332 powershell.exe 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 372 powershell.exe 372 powershell.exe 372 powershell.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 3164 powershell.exe 3164 powershell.exe 3164 powershell.exe 2960 powershell.exe 2960 powershell.exe 2960 powershell.exe 1828 powershell.exe 1828 powershell.exe 1828 powershell.exe 2956 powershell.exe 2956 powershell.exe 2956 powershell.exe 4448 powershell.exe 4448 powershell.exe 4448 powershell.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 3968 csrss.exe 3968 csrss.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 3968 csrss.exe 3968 csrss.exe 2036 injector.exe 2036 injector.exe 3968 csrss.exe 3968 csrss.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe 2036 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 332 powershell.exe Token: SeDebugPrivilege 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeImpersonatePrivilege 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe Token: SeDebugPrivilege 372 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeDebugPrivilege 2960 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 2956 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeSystemEnvironmentPrivilege 3968 csrss.exe Token: SeSecurityPrivilege 3360 sc.exe Token: SeSecurityPrivilege 3360 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exed7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3260 wrote to memory of 332 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 3260 wrote to memory of 332 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 3260 wrote to memory of 332 3260 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 94 PID 648 wrote to memory of 372 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 104 PID 648 wrote to memory of 372 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 104 PID 648 wrote to memory of 372 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 104 PID 648 wrote to memory of 2160 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 107 PID 648 wrote to memory of 2160 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 107 PID 2160 wrote to memory of 736 2160 cmd.exe 109 PID 2160 wrote to memory of 736 2160 cmd.exe 109 PID 648 wrote to memory of 3164 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 110 PID 648 wrote to memory of 3164 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 110 PID 648 wrote to memory of 3164 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 110 PID 648 wrote to memory of 2960 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 113 PID 648 wrote to memory of 2960 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 113 PID 648 wrote to memory of 2960 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 113 PID 648 wrote to memory of 3968 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 116 PID 648 wrote to memory of 3968 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 116 PID 648 wrote to memory of 3968 648 d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe 116 PID 3968 wrote to memory of 1828 3968 csrss.exe 117 PID 3968 wrote to memory of 1828 3968 csrss.exe 117 PID 3968 wrote to memory of 1828 3968 csrss.exe 117 PID 3968 wrote to memory of 2956 3968 csrss.exe 123 PID 3968 wrote to memory of 2956 3968 csrss.exe 123 PID 3968 wrote to memory of 2956 3968 csrss.exe 123 PID 3968 wrote to memory of 4448 3968 csrss.exe 125 PID 3968 wrote to memory of 4448 3968 csrss.exe 125 PID 3968 wrote to memory of 4448 3968 csrss.exe 125 PID 3968 wrote to memory of 2036 3968 csrss.exe 127 PID 3968 wrote to memory of 2036 3968 csrss.exe 127 PID 3720 wrote to memory of 2636 3720 windefender.exe 134 PID 3720 wrote to memory of 2636 3720 windefender.exe 134 PID 3720 wrote to memory of 2636 3720 windefender.exe 134 PID 2636 wrote to memory of 3360 2636 cmd.exe 135 PID 2636 wrote to memory of 3360 2636 cmd.exe 135 PID 2636 wrote to memory of 3360 2636 cmd.exe 135 -
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\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:332
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C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.exe"C:\Users\Admin\AppData\Local\Temp\d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a.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:648 -
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:372
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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:2160 -
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:736
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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:3164
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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:2960
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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:3968 -
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:1828
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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:4504
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4204
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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:2956
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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:4448
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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:2036
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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:3144
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3720 -
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:2636 -
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:3360
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4248,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:81⤵PID:1252
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3508
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e3a794de3c11a87cd9dd72f5a5d4d83
SHA1710244535b9a0a8dcb3ad74a5c80f5e091638db1
SHA256370a517fc0a4af490a65f73983dda6b2f7eaa7945f399ea7343f9766723b337d
SHA5128d2372bb9a2317afe21fcba143efd334e6656383115868a199065fdd0ab2eb7c328ae27644b17b8f97e12a49d68829aa5739696d45e41bfd0de4a757d7bb1cae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c77c36f1ac5f7b28e75e3dc0d8ce39e4
SHA1e16949341d6f64da5d405c208493a1efc2767e81
SHA256e811d9e3d154b77ac9706ee8f2ec449ff8f94cdede150632a5f38683b7a1453f
SHA5129a63af80133553b5e32e45840ee0bdc417df1b988b105dfc05b9e71c2966a29515fa3743a893196ab2f3e6343031df60885d41dc856c98d87e623c6e66ca802d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5369c181473e2579576dc9d9095e39eef
SHA18fc80100093058f64efb35bcd954aed715a38fa7
SHA2569885b89524c06daace39607987168252760c58ce55d9176b6cde3db717fcb689
SHA5120adb057bc86c4f5c898c9a717ef6c09a3e375d93b428d03b597a697294a7591683b1f5c7e1870670a3771a761bd1e612aa591de042a0789d644fd48a0ca6bb40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563e5e389e55f87ff2cd4a872b79e668b
SHA11f706fb3b52b99664644316a987bd709d396b9f6
SHA256284f4268f571f91f4c2b3f0a523aa3b12ac4cf09caf4479f229a5a5d9b673eb5
SHA512e0984a56ffad5a055e697a75781d56fd7b360999c870d12176b9fc9c3440cd3ef245969be48188526b3dfb6139b1cf69fe8aa0c984ef403b3d18cd18cc7887e5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509732c7754f87271f575904e6c0fe700
SHA155b6f836eeb7c9fe86ef2bd578e6bacf250e2a2a
SHA25650f89039d4916c1491ee32451358b218ac70b80f49664ce345e622f9b531adab
SHA5126b996ec565a5673d2f8adb6c0ae1ab6d6aa577b3fb736dc01fd6709edb25cf1ed7bf35025c3fb3290f76ee01792a89eb048d6ac98ddf6f284e3043444e9a3d20
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Filesize
4.1MB
MD5407f05eefb6949799759797bf6e11fb9
SHA18326b35821a18449b59f8c40cdddfbf6a1a8d774
SHA256d7be21aa53f31ae3070fed65c70c4c1cf456274c83b7b68ec886addd7826a55a
SHA5127a918d2ee193475c3b7f63f173652ab267244d7d27a90852abdb0d415887c929d53a64b46f1f719f282000a64508a8e4e267465828051e278a71c6f05d505e94
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec