Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 15:09
Static task
static1
Behavioral task
behavioral1
Sample
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe
Resource
win10v2004-20240412-en
General
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Target
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe
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Size
4.2MB
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MD5
03245c46a3f4e234c142245666810271
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SHA1
6e13fa6ddd11d564b322e9fd270c6e345507940b
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SHA256
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0
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SHA512
0de4c868c18c167dfad1c094632259be71325dfc71c9a4e30d5ce2732024af3df2a3fcb2cd31b8e5bb993f6ab2216f85ce2068762b819e25e75a87f6c02295df
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SSDEEP
49152:ZKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2SS:QOLEfT6eYBhfhWV+b2vbWNq2SbuhRf
Malware Config
Signatures
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Glupteba payload 21 IoCs
Processes:
resource yara_rule behavioral2/memory/744-2-0x0000000004070000-0x000000000495B000-memory.dmp family_glupteba behavioral2/memory/744-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/5048-44-0x0000000003F70000-0x000000000485B000-memory.dmp family_glupteba behavioral2/memory/5048-45-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/744-47-0x0000000004070000-0x000000000495B000-memory.dmp family_glupteba behavioral2/memory/744-70-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/5048-136-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/5048-143-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-239-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-249-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-251-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-254-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-257-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-260-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-263-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-266-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-269-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-272-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-276-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-278-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1820-281-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2488 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1820 csrss.exe 3256 injector.exe 2352 windefender.exe 5108 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2352-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5108-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5108-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File 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 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:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe -
Drops file in Windows directory 4 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe File created C:\Windows\rss\csrss.exe 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 960 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2240 1152 WerFault.exe 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 1744 schtasks.exe 844 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1152 powershell.exe 1152 powershell.exe 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 2264 powershell.exe 2264 powershell.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe 3036 powershell.exe 3036 powershell.exe 2880 powershell.exe 2880 powershell.exe 3952 powershell.exe 3952 powershell.exe 1984 powershell.exe 1984 powershell.exe 1064 powershell.exe 1064 powershell.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 1820 csrss.exe 1820 csrss.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 1820 csrss.exe 1820 csrss.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 1820 csrss.exe 1820 csrss.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe 3256 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Token: SeImpersonatePrivilege 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 3952 powershell.exe Token: SeDebugPrivilege 1984 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeSystemEnvironmentPrivilege 1820 csrss.exe Token: SeSecurityPrivilege 960 sc.exe Token: SeSecurityPrivilege 960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 744 wrote to memory of 1152 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 744 wrote to memory of 1152 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 744 wrote to memory of 1152 744 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2264 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2264 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2264 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 3664 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe cmd.exe PID 5048 wrote to memory of 3664 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe cmd.exe PID 3664 wrote to memory of 2488 3664 cmd.exe netsh.exe PID 3664 wrote to memory of 2488 3664 cmd.exe netsh.exe PID 5048 wrote to memory of 3036 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 3036 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 3036 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2880 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2880 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 2880 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe powershell.exe PID 5048 wrote to memory of 1820 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 5048 wrote to memory of 1820 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 5048 wrote to memory of 1820 5048 913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe csrss.exe PID 1820 wrote to memory of 3952 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 3952 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 3952 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1984 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1984 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1984 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1064 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1064 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 1064 1820 csrss.exe powershell.exe PID 1820 wrote to memory of 3256 1820 csrss.exe injector.exe PID 1820 wrote to memory of 3256 1820 csrss.exe injector.exe PID 2352 wrote to memory of 1412 2352 windefender.exe cmd.exe PID 2352 wrote to memory of 1412 2352 windefender.exe cmd.exe PID 2352 wrote to memory of 1412 2352 windefender.exe cmd.exe PID 1412 wrote to memory of 960 1412 cmd.exe sc.exe PID 1412 wrote to memory of 960 1412 cmd.exe sc.exe PID 1412 wrote to memory of 960 1412 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 25203⤵
- Program crash
PID:2240
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C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.exe"C:\Users\Admin\AppData\Local\Temp\913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0.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:5048 -
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:2264
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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:3664 -
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:2488
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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:3036
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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:2880
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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:1820 -
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:3952
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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:1744
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3620
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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:1984
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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:1064
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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:3256
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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:844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2352 -
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:1412 -
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:960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1152 -ip 11521⤵PID:3576
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5108
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
MD5e3c278c3731d9539465b5177b62ef375
SHA1ea38530ea974a3f6299d464960e1340c167a62fb
SHA256350fbf22e0f079efa7d22ce55b906095dee627f47968e67d26a1795beb204a8e
SHA51250691734aa4cf6e44f673ae51a53f0c79f21ad29d6a2fec00b72fe4386a8832d8aa812eef71e8e1b9784b71d7e16004c8144913f16087b924bc8740ec8d404f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fbaa8d121c7e9ad93126b1d80e13fbb
SHA121e489b4243a1396241cfff58bb5e13738773105
SHA2563f9655239741bcab27186c1d4fba985b2704207399f5c6d5a986a7108f457a75
SHA512770031b9c21b2c6e36ce786e259b999c260110035b723538f41dd3aeeb1c927bdfadb86a6eb46c996ba37d46ebe4575e04db4eb330a140f33bda1891938a25ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f3c66d90f3d43922ab3d2b5f5c5113d
SHA1303870fcef04c46f00f6237d335abef6588b9a96
SHA256cadf6ff42cbb86ce1149c7eb6a80b2188090ac77d7e0f359a80080367b295e9d
SHA512e202f4eca9e095103e80893d5f2fd9f4245f8c6460a7fa702cf7e83bb84451b9eb1a57d6e035ab862fa0e12f160c9b05e7542627a70a0c2f013018f05699b199
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da2316f158e1629a219bfaf2c8b72793
SHA19ff35102545a2ef6c1e2fed977b9f9a7dbb48fef
SHA256d12e1076a0529589049d24591b918466149e64195cf940934ac198f54c80aa5b
SHA5126a9874d99031714b6bc1ac52d5a20b1c04336c6413bb5c6b3a0bc466dc6f8e21d1fde7f86a041b0b2f9b4f7ea9823f3c4c35049445f7abca0128a198823c8826
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546ef231bb0f77b8952489b53f6f59bc5
SHA11efa34977a5f4ecf50118ef006c541c0409893d4
SHA2564a0f6d6105a2947254bd659d8caad36af86ba9144d5c76f3ec113ebd0afd680e
SHA5125d110be364ff18ac626b25f8ae50c96f62eec027987c863e90c7217ede5cffa68f67ba1e3a475a67f203791397b1f555ac06be2d686778a5a48f4df05901bda6
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Filesize
4.2MB
MD503245c46a3f4e234c142245666810271
SHA16e13fa6ddd11d564b322e9fd270c6e345507940b
SHA256913f5fed98623c1110c9d56f14a75a4ce19eb540915b657272276693ba4db8c0
SHA5120de4c868c18c167dfad1c094632259be71325dfc71c9a4e30d5ce2732024af3df2a3fcb2cd31b8e5bb993f6ab2216f85ce2068762b819e25e75a87f6c02295df
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec