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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe
Resource
win10v2004-20240508-en
General
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Target
7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe
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Size
4.1MB
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MD5
4c2f6d863d77d9ccbd3a25634ceb6417
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SHA1
599cc027c70d9ba7e8ece563d19f230454dc8678
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SHA256
7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07
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SHA512
65d6ccc45ba4dac41d9aba8a6637c0820f6dcce4199155c36ea8a2c3976e5a81fbc1292f7e839b09c78dbfd2dd6618841119374811b4bb85eaaa0c86eecaad47
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SSDEEP
98304:NOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOK:Nr2p15ulARrO0d7kw84IGK
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3172-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3172-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3172-88-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3172-89-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/3892-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4076 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1636 csrss.exe 392 injector.exe 3852 windefender.exe 1760 windefender.exe -
resource yara_rule behavioral2/memory/3852-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002a9f9-208.dat upx behavioral2/memory/1760-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3852-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1760-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1760-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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 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 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 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe File created C:\Windows\rss\csrss.exe 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.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 452 sc.exe -
pid Process 3916 powershell.exe 3476 powershell.exe 3476 powershell.exe 1916 powershell.exe 1324 powershell.exe 2520 powershell.exe 3900 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3792 schtasks.exe 2656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3476 powershell.exe 3476 powershell.exe 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 1916 powershell.exe 1916 powershell.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 1324 powershell.exe 1324 powershell.exe 2520 powershell.exe 2520 powershell.exe 3900 powershell.exe 3900 powershell.exe 3916 powershell.exe 3916 powershell.exe 3476 powershell.exe 3476 powershell.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 1636 csrss.exe 1636 csrss.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 1636 csrss.exe 1636 csrss.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 1636 csrss.exe 1636 csrss.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe 392 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Token: SeImpersonatePrivilege 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 3476 powershell.exe Token: SeSystemEnvironmentPrivilege 1636 csrss.exe Token: SeSecurityPrivilege 452 sc.exe Token: SeSecurityPrivilege 452 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3172 wrote to memory of 3476 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 105 PID 3172 wrote to memory of 3476 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 105 PID 3172 wrote to memory of 3476 3172 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 105 PID 3892 wrote to memory of 1916 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 87 PID 3892 wrote to memory of 1916 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 87 PID 3892 wrote to memory of 1916 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 87 PID 3892 wrote to memory of 1436 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 89 PID 3892 wrote to memory of 1436 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 89 PID 1436 wrote to memory of 4076 1436 cmd.exe 91 PID 1436 wrote to memory of 4076 1436 cmd.exe 91 PID 3892 wrote to memory of 1324 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 92 PID 3892 wrote to memory of 1324 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 92 PID 3892 wrote to memory of 1324 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 92 PID 3892 wrote to memory of 2520 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 94 PID 3892 wrote to memory of 2520 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 94 PID 3892 wrote to memory of 2520 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 94 PID 3892 wrote to memory of 1636 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 96 PID 3892 wrote to memory of 1636 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 96 PID 3892 wrote to memory of 1636 3892 7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe 96 PID 1636 wrote to memory of 3900 1636 csrss.exe 97 PID 1636 wrote to memory of 3900 1636 csrss.exe 97 PID 1636 wrote to memory of 3900 1636 csrss.exe 97 PID 1636 wrote to memory of 3916 1636 csrss.exe 103 PID 1636 wrote to memory of 3916 1636 csrss.exe 103 PID 1636 wrote to memory of 3916 1636 csrss.exe 103 PID 1636 wrote to memory of 3476 1636 csrss.exe 105 PID 1636 wrote to memory of 3476 1636 csrss.exe 105 PID 1636 wrote to memory of 3476 1636 csrss.exe 105 PID 1636 wrote to memory of 392 1636 csrss.exe 107 PID 1636 wrote to memory of 392 1636 csrss.exe 107 PID 3852 wrote to memory of 4852 3852 windefender.exe 113 PID 3852 wrote to memory of 4852 3852 windefender.exe 113 PID 3852 wrote to memory of 4852 3852 windefender.exe 113 PID 4852 wrote to memory of 452 4852 cmd.exe 114 PID 4852 wrote to memory of 452 4852 cmd.exe 114 PID 4852 wrote to memory of 452 4852 cmd.exe 114 -
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\7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe"C:\Users\Admin\AppData\Local\Temp\7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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C:\Users\Admin\AppData\Local\Temp\7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.exe"C:\Users\Admin\AppData\Local\Temp\7eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07.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:3892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916
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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:1436 -
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:4076
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520
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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:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID: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:3792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:388
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3916
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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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:392
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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:2656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3852 -
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:4852 -
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:452
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1760
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a78156d013c0f46a2935f1397bd5b943
SHA16a4d508b0a1422b5f234706ee21088c84a453e6e
SHA256119868d5844ef4bb64f2e129d51d7efebcecfd1fd09bf5fa46613ae97cf090ab
SHA51256c9f0567b76dea4a1e99dabee1400247f424940cba5e700a973e7ad9b81ca20e2d7ca5d6bb031282baf4dab6eded80049676f59a1beb6cfcf4c710dd4d6f535
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5088ace49671e04556b84b5339c4cfeb0
SHA1c8c87b75eaf79f37283eae0aff20cf0a4172366f
SHA256452e6031f6f726dec60a773850a66d263576ce549776c837d9a09b1242824270
SHA512cd63052b8c4b9b849c304f9e11a03529bb6a02de330877e712baa789a8d325e1d6938be0138af5a42c2eceddfef10efafb08fc69b3c9cc8aa52f5d1a1e25dae3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556f995840c61650425cc59a82e2552d1
SHA1fa982f6e51ba5c9cf7b182862230f91b891e987f
SHA2563fd18cee1c9fcdf0655ab951b9a69ee22d67602f9812839800bc8668cde4ce9d
SHA5123cd7e547895994de488b02fe0bb1eae79c274733e50871b91514298e01a0a525838ccc6e4fd757c2ec4690b8d5ec8f0c256d3d65b6c94ed2a0dc0cc750caef46
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550c029ad9af4b087570cf27c3e5c0d87
SHA1a749150e658497f60d81c318acf06c14373e77bf
SHA25686d8ca126b3786f387c5a287580cc0c1f221af9e1ce71c66b394dc0fc814ffdc
SHA51280f91e230a323d5d451fcfc8d22f667b0b3d337d0fbe41af3fc3d259ae1cd5caf1e96a7b20303f61fc19a4ac306d8bf654c5769fa4080bb822f993a6af13f674
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57393bf6e2cc98c08d57bab78508eb76e
SHA1f3d7e5219382d65e53ccfcc75c11314e16a84f93
SHA25687c068a967ed9e2bc02e75a1ef4244d9979003737445353f0e7f99d824e1acdb
SHA512f4e7e3ccbad4533f6e892ad72b6bbbea2a7a1368a5edfa31890ff8746d10c3e11781b86cd1b0c61f37ef4d24230aa678e9fe6ab475fbb80a6ddf7798925adf3d
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Filesize
4.1MB
MD54c2f6d863d77d9ccbd3a25634ceb6417
SHA1599cc027c70d9ba7e8ece563d19f230454dc8678
SHA2567eab7041fc7db3760b71f2dbc4e89fbe8e9f15bb4aa128bad496b2c32c33ef07
SHA51265d6ccc45ba4dac41d9aba8a6637c0820f6dcce4199155c36ea8a2c3976e5a81fbc1292f7e839b09c78dbfd2dd6618841119374811b4bb85eaaa0c86eecaad47
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec