Analysis
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max time kernel
17s -
max time network
153s -
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, 21:23
Static task
static1
Behavioral task
behavioral1
Sample
15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe
Resource
win10v2004-20240412-en
General
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Target
15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe
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Size
4.2MB
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MD5
c03d5b59011cda23e1ec9775a6c18ff3
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SHA1
5aca29ecc8b7e6bbfee886d648b6e07d6bab6869
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SHA256
15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98
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SHA512
0439ecba33ccfb05ada25f37e43c8007e9887baf426b2389aa44a8330aaa2e696339d9fd0084f3f694c88dc7726ef1f2c872344309d604a876052e71c9c24d36
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SSDEEP
98304:qB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7Op:3TFmTI8qKjKFA4r+dAh7RQUM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5084-2-0x00000000041A0000-0x0000000004A8B000-memory.dmp family_glupteba behavioral2/memory/5084-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/2868-53-0x0000000004100000-0x00000000049EB000-memory.dmp family_glupteba behavioral2/memory/2868-54-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/5084-78-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/2868-148-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-239-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-250-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-256-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-259-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-262-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-265-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-268-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-271-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-277-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-280-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-283-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/856-286-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2772 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 856 csrss.exe -
resource yara_rule behavioral2/files/0x000200000002aa09-249.dat upx behavioral2/memory/728-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2704-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2704-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.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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Drops file in System32 directory 5 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 -
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 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe File created C:\Windows\rss\csrss.exe 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2980 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2632 schtasks.exe 2412 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.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" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.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" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 828 powershell.exe 828 powershell.exe 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 4852 powershell.exe 4852 powershell.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 4488 powershell.exe 4488 powershell.exe 1788 powershell.exe 1788 powershell.exe 4080 powershell.exe 4080 powershell.exe 3312 powershell.exe 3312 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 828 powershell.exe Token: SeDebugPrivilege 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Token: SeImpersonatePrivilege 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 4080 powershell.exe Token: SeDebugPrivilege 3312 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 5084 wrote to memory of 828 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 80 PID 5084 wrote to memory of 828 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 80 PID 5084 wrote to memory of 828 5084 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 80 PID 2868 wrote to memory of 4852 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 86 PID 2868 wrote to memory of 4852 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 86 PID 2868 wrote to memory of 4852 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 86 PID 2868 wrote to memory of 652 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 88 PID 2868 wrote to memory of 652 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 88 PID 652 wrote to memory of 2772 652 cmd.exe 90 PID 652 wrote to memory of 2772 652 cmd.exe 90 PID 2868 wrote to memory of 4488 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 91 PID 2868 wrote to memory of 4488 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 91 PID 2868 wrote to memory of 4488 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 91 PID 2868 wrote to memory of 1788 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 93 PID 2868 wrote to memory of 1788 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 93 PID 2868 wrote to memory of 1788 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 93 PID 2868 wrote to memory of 856 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 95 PID 2868 wrote to memory of 856 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 95 PID 2868 wrote to memory of 856 2868 15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe 95 PID 856 wrote to memory of 4080 856 csrss.exe 96 PID 856 wrote to memory of 4080 856 csrss.exe 96 PID 856 wrote to memory of 4080 856 csrss.exe 96 PID 856 wrote to memory of 3312 856 csrss.exe 101 PID 856 wrote to memory of 3312 856 csrss.exe 101 PID 856 wrote to memory of 3312 856 csrss.exe 101 -
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\15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe"C:\Users\Admin\AppData\Local\Temp\15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:828
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C:\Users\Admin\AppData\Local\Temp\15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.exe"C:\Users\Admin\AppData\Local\Temp\15bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98.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:2868 -
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:4852
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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:652 -
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:2772
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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:4488
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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:1788
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:856 -
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:4080
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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:2412
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3312
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:2940
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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⤵PID:4852
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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:2632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:728
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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⤵PID:3184
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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
PID:2980
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:2704
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
MD5c4c04ddad77e88d4377fa493aab04f42
SHA1fa9b2e2b55319acde9bfb762f650508270d58408
SHA2565816cfff181b26240f4dddf3d836c1f57e65c8833f775e51b3ade44a431f172a
SHA512d1fa03033950c77b7671cb70d50db7adce585ce3243c06db6a69f28076fa4304c57614a9369e34929af28b34214ea882b465ecf3f74a0cf9370ca6a2df870c6f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592ce75319ec3ad4f7d48859aad8e758a
SHA16a2fcd8db87cbfc559f42a16f92d013242e5a460
SHA256bddac3fe1b4d8574eecffedd57e9a2ee9576fdc296212fd5cb34696c1379c724
SHA512041b11f853a0fe377d24b492b0af6aec78fe431b2704f186ed672657a83d665c79b2f9006c7d2a5b5519c3dd7ecb9afd9dbfde208477bc2b2dbd09366602a90a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adc724a1125ef321ddbb12beffe563b1
SHA1d9485b69193ec3691a2f59bdd0d70c58d3533dec
SHA2564ff308e757f4240ecdb79a0e23ada7bd4d7f11dfb464fcfe27ef83ea7ed783c3
SHA512adcf61267930fd12589ffd688a5b0ff78d4230e63fa0a83bdfcb65112ba1036b189acbd89a3d51bf2f3fb2bbf5c9413c7bf6bd729b7eaba4878ef4ef47b72cf6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db65c9286110ff9ca3b09060fb9ab7a3
SHA14ba814eb5474897c041ce0a44ef8cd4d67f90738
SHA256dd149c2840dffef361775eb9e2329a1193fa2c841a40c7f9eaf8a178263c7037
SHA5127501ab6b4de8ffd79f6a378c8ff4708dd818b42e77a10d33e02e56d2b138ccca579fdeca3b3ef6929ab398c6207a7ccb2fe899ad6e9284d38c53bc5d4d5ec4d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cda22be6c5c283d57215fb9dc4621b9d
SHA1b16c741cd49c1f3eb2105c2c6c4647d58b018c17
SHA256c51b5ed2ca4e627baae8e8d32b4b75ab8abaa50dafad093adfb6bde6f3552b34
SHA5125676ac7a312429c8ec02d0a719660c1488dd2f6943d55c1bdc0accfd5c37da6fa8a0bc25bef2df3438bfb7596d66f42586358e0d06d0068d1792ed1f69040f2c
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Filesize
4.2MB
MD5c03d5b59011cda23e1ec9775a6c18ff3
SHA15aca29ecc8b7e6bbfee886d648b6e07d6bab6869
SHA25615bbf04148565d2dbf7bb81a902101399ac1f20edda7ae77213a8b97f5615b98
SHA5120439ecba33ccfb05ada25f37e43c8007e9887baf426b2389aa44a8330aaa2e696339d9fd0084f3f694c88dc7726ef1f2c872344309d604a876052e71c9c24d36
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec