Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:18
Static task
static1
Behavioral task
behavioral1
Sample
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe
Resource
win10v2004-20240412-en
General
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Target
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe
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Size
4.2MB
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MD5
3b4f81a6c1cf0d18a0228d9b5797c1d1
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SHA1
a1bbeccb2e61c5fbd1ce35898418a5f95fb1130c
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SHA256
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302
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SHA512
e7979818b4790f8089cd5c5c7d61664f08e99ea7d809e73bc31f963db2bc67fc24af486a44313b8bc878f7bb569d2b60c841e6e2548c5be98b63a11abf6c50c9
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SSDEEP
98304:KS8Tc81AzKVcNOUNHF6RiNP154spKvDdhObEo7QvVY0ryRAf1Tp7ORu:LEcJzF4UNHqA/dsmoVS4YAf19J
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4852-2-0x0000000004140000-0x0000000004A2B000-memory.dmp family_glupteba behavioral1/memory/4852-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1744-57-0x0000000003E30000-0x000000000471B000-memory.dmp family_glupteba behavioral1/memory/1744-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4852-70-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1744-157-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-228-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-239-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-242-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-248-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-251-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3624-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2628 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3624 csrss.exe 688 injector.exe 3948 windefender.exe 2828 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3948-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2828-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2828-247-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.execsrss.exedescription 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\"" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 6 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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:
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe -
Drops file in Windows directory 4 IoCs
Processes:
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.execsrss.exedescription ioc process File opened for modification C:\Windows\rss ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe File created C:\Windows\rss\csrss.exe ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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 2904 sc.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 980 schtasks.exe 1728 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exeef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight 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" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exepowershell.exeef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2996 powershell.exe 2996 powershell.exe 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 4008 powershell.exe 4008 powershell.exe 4008 powershell.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe 3700 powershell.exe 3700 powershell.exe 3700 powershell.exe 1036 powershell.exe 1036 powershell.exe 1036 powershell.exe 3900 powershell.exe 3900 powershell.exe 3900 powershell.exe 1964 powershell.exe 1964 powershell.exe 1964 powershell.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 3624 csrss.exe 3624 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 3624 csrss.exe 3624 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 3624 csrss.exe 3624 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
powershell.exeef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Token: SeImpersonatePrivilege 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 1036 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeSystemEnvironmentPrivilege 3624 csrss.exe Token: SeSecurityPrivilege 2904 sc.exe Token: SeSecurityPrivilege 2904 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exeef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4852 wrote to memory of 2996 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 4852 wrote to memory of 2996 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 4852 wrote to memory of 2996 4852 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 4008 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 4008 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 4008 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 4888 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe cmd.exe PID 1744 wrote to memory of 4888 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe cmd.exe PID 4888 wrote to memory of 2628 4888 cmd.exe netsh.exe PID 4888 wrote to memory of 2628 4888 cmd.exe netsh.exe PID 1744 wrote to memory of 3700 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 3700 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 3700 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 1036 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 1036 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 1036 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe powershell.exe PID 1744 wrote to memory of 3624 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe csrss.exe PID 1744 wrote to memory of 3624 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe csrss.exe PID 1744 wrote to memory of 3624 1744 ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe csrss.exe PID 3624 wrote to memory of 3900 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 3900 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 3900 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 1964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 1964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 1964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 4964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 4964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 4964 3624 csrss.exe powershell.exe PID 3624 wrote to memory of 688 3624 csrss.exe injector.exe PID 3624 wrote to memory of 688 3624 csrss.exe injector.exe PID 3948 wrote to memory of 1792 3948 windefender.exe cmd.exe PID 3948 wrote to memory of 1792 3948 windefender.exe cmd.exe PID 3948 wrote to memory of 1792 3948 windefender.exe cmd.exe PID 1792 wrote to memory of 2904 1792 cmd.exe sc.exe PID 1792 wrote to memory of 2904 1792 cmd.exe sc.exe PID 1792 wrote to memory of 2904 1792 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\ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe"C:\Users\Admin\AppData\Local\Temp\ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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C:\Users\Admin\AppData\Local\Temp\ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.exe"C:\Users\Admin\AppData\Local\Temp\ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302.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:1744 -
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:4008
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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:4888 -
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:2628
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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:3700
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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:1036
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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:3624 -
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:3900
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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:1728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3696
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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:1964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
PID:4964
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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:688
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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:980
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3948 -
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:1792 -
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:2904
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2828
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
MD56b6dfece5f16cb61e072a7116ff905fd
SHA1c3ca978210da52bd279feef19c4cf51fffe0e9f5
SHA2565b61dd55817810e803eeb0a582464bfc6c9f7d497053bd54723c4d96d7be90fc
SHA5126e205511ee20877e76882ae2c8bd4a421128c3869c3042ace07825d5af8edf2a1ec549fcc4eb0ecdb2025635c32d68e74984b12ef13ad8c271e10cda5a3fa7ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58013dd08925aa81a1446cb1df2847cf0
SHA1229ef1e9bb52f10741e4f7dee0928fae79950c36
SHA256b8d9f959115d1f146c837fa3441e9702b910ce8eb1fb6381986a105cb4d0bc58
SHA512d42ab4f1dce4bbe8d62c39d4119a6102337d6524e22f86242456b2bff891b35fe284cc82f00c24a06c1cecf99c5f4ea99eeed2c6bbe9da7930814449055682ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569f9a83eb4623d0803a54dde9475469d
SHA1dae1063a8f0cc4c24d608d3d7bb9fcceadd3af99
SHA256a90e2067d9855c6127b6c072c4ad806f8277bba5fafc91a740e026050e7cc0b2
SHA512d01afd50c629aeb50a41c708b48e2d07bf518e476797e6dde7004e766df8e0951235eda9b3edbf69b56fd4077452d89c0b0c60af54b1be093994144455dd6fdb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52856f6ffe4aabc2d23d7b7d9281bdd50
SHA18672b160109c2542dc5bd206aaa4da5de72824f5
SHA256515375ddb205e181065334a9e6c2d67a82211ab94f5271089f4529e7dd6481eb
SHA5121b1ef0f077fafb48cb33212b39b5a4ca6651565ce8a6c5c0c3072e8277b4b12d093d95eea06928d53ffb9614f6aded95cf1e7b5df703711469ef45f4e6f341f3
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Filesize
4.2MB
MD53b4f81a6c1cf0d18a0228d9b5797c1d1
SHA1a1bbeccb2e61c5fbd1ce35898418a5f95fb1130c
SHA256ef70e45cd7609f524ec2a8b4e03c846f637e6fbe04eaa46f6295609ee51f1302
SHA512e7979818b4790f8089cd5c5c7d61664f08e99ea7d809e73bc31f963db2bc67fc24af486a44313b8bc878f7bb569d2b60c841e6e2548c5be98b63a11abf6c50c9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec