Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 18:05
Static task
static1
Behavioral task
behavioral1
Sample
1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe
Resource
win10v2004-20240412-en
General
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Target
1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe
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Size
4.2MB
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MD5
6c45b6ce0b321f0e602f2a1fd39d715e
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SHA1
48aaa7ffe9d700ba9021f1b2ca24de6b8421dad0
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SHA256
1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158
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SHA512
1ea7891202c46b686c11067dfe714fd9b97203f0a3c9dc30b25af04c3e4533b9f3c92e9053ff52626ff110ce62bb1bf10409385b88c9bad99c83916f09aaad90
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SSDEEP
98304:VBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCz:OAu+ENnjVyYiVNw4S
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3900-2-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3900-3-0x0000000004080000-0x000000000496B000-memory.dmp family_glupteba behavioral1/memory/532-56-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral1/memory/532-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3900-65-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/532-154-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-276-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-279-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-288-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-291-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2176-300-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4740 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2176 csrss.exe 2784 injector.exe 2804 windefender.exe 3748 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023436-260.dat upx behavioral1/memory/2804-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3748-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 -
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 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe File created C:\Windows\rss\csrss.exe 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.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 1676 sc.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 3680 schtasks.exe 4592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2400 powershell.exe 2400 powershell.exe 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 1100 powershell.exe 1100 powershell.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 4456 powershell.exe 4456 powershell.exe 3456 powershell.exe 3456 powershell.exe 4356 powershell.exe 4356 powershell.exe 5088 powershell.exe 5088 powershell.exe 5000 powershell.exe 5000 powershell.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2176 csrss.exe 2176 csrss.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2176 csrss.exe 2176 csrss.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2176 csrss.exe 2176 csrss.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe 2784 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Token: SeImpersonatePrivilege 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe Token: SeDebugPrivilege 1100 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 2176 csrss.exe Token: SeSecurityPrivilege 1676 sc.exe Token: SeSecurityPrivilege 1676 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3900 wrote to memory of 2400 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 90 PID 3900 wrote to memory of 2400 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 90 PID 3900 wrote to memory of 2400 3900 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 90 PID 532 wrote to memory of 1100 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 100 PID 532 wrote to memory of 1100 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 100 PID 532 wrote to memory of 1100 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 100 PID 532 wrote to memory of 3768 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 102 PID 532 wrote to memory of 3768 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 102 PID 3768 wrote to memory of 4740 3768 cmd.exe 104 PID 3768 wrote to memory of 4740 3768 cmd.exe 104 PID 532 wrote to memory of 4456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 105 PID 532 wrote to memory of 4456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 105 PID 532 wrote to memory of 4456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 105 PID 532 wrote to memory of 3456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 107 PID 532 wrote to memory of 3456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 107 PID 532 wrote to memory of 3456 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 107 PID 532 wrote to memory of 2176 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 109 PID 532 wrote to memory of 2176 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 109 PID 532 wrote to memory of 2176 532 1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe 109 PID 2176 wrote to memory of 4356 2176 csrss.exe 110 PID 2176 wrote to memory of 4356 2176 csrss.exe 110 PID 2176 wrote to memory of 4356 2176 csrss.exe 110 PID 2176 wrote to memory of 5088 2176 csrss.exe 116 PID 2176 wrote to memory of 5088 2176 csrss.exe 116 PID 2176 wrote to memory of 5088 2176 csrss.exe 116 PID 2176 wrote to memory of 5000 2176 csrss.exe 118 PID 2176 wrote to memory of 5000 2176 csrss.exe 118 PID 2176 wrote to memory of 5000 2176 csrss.exe 118 PID 2176 wrote to memory of 2784 2176 csrss.exe 120 PID 2176 wrote to memory of 2784 2176 csrss.exe 120 PID 2804 wrote to memory of 1416 2804 windefender.exe 127 PID 2804 wrote to memory of 1416 2804 windefender.exe 127 PID 2804 wrote to memory of 1416 2804 windefender.exe 127 PID 1416 wrote to memory of 1676 1416 cmd.exe 128 PID 1416 wrote to memory of 1676 1416 cmd.exe 128 PID 1416 wrote to memory of 1676 1416 cmd.exe 128 -
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\1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe"C:\Users\Admin\AppData\Local\Temp\1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Local\Temp\1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.exe"C:\Users\Admin\AppData\Local\Temp\1791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158.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:532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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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:3768 -
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:4740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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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:2176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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:3680
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1712
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5000
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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:2784
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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:4592
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2804 -
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:1416 -
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:1676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3748
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
MD5c638ef0088795a93785dd4870ebdd6af
SHA1d180454727374cbb775720d894aa961a21423ea9
SHA2569bdf62d4052a40e97260fc8f97376878ce8b8bd8aaee3231c6647f50b6398f6c
SHA5126ef683f22a1c84c0842efeb965514464d5d1053845af774475ab03959701f04ee5795b2135a9b100ea2e43a61cd4ec3d528ce4bb8f855173f3153618f18c111f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577cc1c7d95d51cb21db2dbac1b688263
SHA1d26d81767d1d5cb2c76a385d06bfebfb1b244540
SHA256168036fe7fb6811477048b157fb03609f524450fbbfd336fedd4a39f52dabcfa
SHA5121aa74e754a0678a08df004134521d07622e5f836c548f0a188ac0f811cb40b90b25460cfaa5827d5dcf9747a7611fac1d6a28a8ab640872cf0eddbb2f336b7d8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bea30cfdc88c4c259d2ef3f54c2183c5
SHA13c716018e2ccca405bba50e6e0b6e76ec34f78d3
SHA256ed15a931e916eeba2e7bf7f094b45ab4671c962838f193fe780fd08422354f62
SHA5129b57a921ac1370ec75b73aee2c19aab9d80158b0372df362f7a074e5973f8654de7ad6b0716e8e635d633a2d946b39d83a1df33049983f36a0b9610128c6e17b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a8adca57c1c2c4757f2d0db8a0e79f7
SHA18cffe3cb5bc9b51914a7088d8bdc8b1918d008de
SHA2561f0921fa33b86756d78c1450e5f9795516d1e9b5dac6d73dfbd9308fab737eca
SHA512f8e0adbe199cc965dc36eda93a129d8fd6435704cbbbc1d9e1c3ce65df68d7741a2fab3cd4b08b7afb4f35c1a11448177f6c27ac6d2aa119318655d43b4c30df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b16a02cace600bbc5947e6e3ac9c851a
SHA1540dbb81744bc90e75b08107825725050432eba4
SHA256631be8a1f05b0c1a1c170b3a242e6e52a73d94da3e0b48850739349e77b45de8
SHA51208791c5b5e38fec2c9babc194e2952aade5fd249cfd1cc21c41210509e130c09b13a8e0bcef525c74b13117840c817ec464ec4a1361dd0048a561858eae76c21
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Filesize
4.2MB
MD56c45b6ce0b321f0e602f2a1fd39d715e
SHA148aaa7ffe9d700ba9021f1b2ca24de6b8421dad0
SHA2561791ed941e4f0e8a06cc5310b058c2a5364a0fe0d961f13d7d4d600c84d27158
SHA5121ea7891202c46b686c11067dfe714fd9b97203f0a3c9dc30b25af04c3e4533b9f3c92e9053ff52626ff110ce62bb1bf10409385b88c9bad99c83916f09aaad90
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec