Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe
Resource
win10v2004-20240426-en
General
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Target
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe
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Size
4.1MB
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MD5
be50588fe75fa25a087e5f7d8d4b850f
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SHA1
651769862a2d2737ae1fc7944607f13480ef7f51
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SHA256
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5
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SHA512
f73a2f366bb28fadb4353a27dd7e513459c151440b85d7b5737d2c5f26927fdbf9eb625efd0a49abd2fc095d71c3f573a185f491ec1f4c3b4cd11806985798d5
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SSDEEP
98304:LlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzZ:R7B3j0rWdEQQ059Cfd4xbkE91Km1
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4156-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/4156-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4156-55-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4156-67-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral1/memory/4156-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/396-137-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-218-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-237-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-246-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-250-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-253-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-257-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-261-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-266-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3736-270-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5008 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3736 csrss.exe 4972 injector.exe 3592 windefender.exe 1468 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023432-222.dat upx behavioral1/memory/3592-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1468-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3592-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1468-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1468-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe File created C:\Windows\rss\csrss.exe b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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 3092 sc.exe -
pid Process 792 powershell.exe 1032 powershell.exe 1312 powershell.exe 4036 powershell.exe 2044 powershell.exe 3472 powershell.exe 1436 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 3224 schtasks.exe 1228 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\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 792 powershell.exe 792 powershell.exe 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 1032 powershell.exe 1032 powershell.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 1312 powershell.exe 1312 powershell.exe 4036 powershell.exe 4036 powershell.exe 2044 powershell.exe 2044 powershell.exe 3472 powershell.exe 3472 powershell.exe 1436 powershell.exe 1436 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3736 csrss.exe 3736 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3736 csrss.exe 3736 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 3736 csrss.exe 3736 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Token: SeImpersonatePrivilege 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Token: SeDebugPrivilege 1032 powershell.exe Token: SeDebugPrivilege 1312 powershell.exe Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeSystemEnvironmentPrivilege 3736 csrss.exe Token: SeSecurityPrivilege 3092 sc.exe Token: SeSecurityPrivilege 3092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4156 wrote to memory of 792 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 93 PID 4156 wrote to memory of 792 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 93 PID 4156 wrote to memory of 792 4156 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 93 PID 396 wrote to memory of 1032 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 100 PID 396 wrote to memory of 1032 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 100 PID 396 wrote to memory of 1032 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 100 PID 396 wrote to memory of 436 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 102 PID 396 wrote to memory of 436 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 102 PID 436 wrote to memory of 5008 436 cmd.exe 104 PID 436 wrote to memory of 5008 436 cmd.exe 104 PID 396 wrote to memory of 1312 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 105 PID 396 wrote to memory of 1312 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 105 PID 396 wrote to memory of 1312 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 105 PID 396 wrote to memory of 4036 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 107 PID 396 wrote to memory of 4036 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 107 PID 396 wrote to memory of 4036 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 107 PID 396 wrote to memory of 3736 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 109 PID 396 wrote to memory of 3736 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 109 PID 396 wrote to memory of 3736 396 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 109 PID 3736 wrote to memory of 2044 3736 csrss.exe 110 PID 3736 wrote to memory of 2044 3736 csrss.exe 110 PID 3736 wrote to memory of 2044 3736 csrss.exe 110 PID 3736 wrote to memory of 3472 3736 csrss.exe 116 PID 3736 wrote to memory of 3472 3736 csrss.exe 116 PID 3736 wrote to memory of 3472 3736 csrss.exe 116 PID 3736 wrote to memory of 1436 3736 csrss.exe 118 PID 3736 wrote to memory of 1436 3736 csrss.exe 118 PID 3736 wrote to memory of 1436 3736 csrss.exe 118 PID 3736 wrote to memory of 4972 3736 csrss.exe 122 PID 3736 wrote to memory of 4972 3736 csrss.exe 122 PID 3592 wrote to memory of 732 3592 windefender.exe 128 PID 3592 wrote to memory of 732 3592 windefender.exe 128 PID 3592 wrote to memory of 732 3592 windefender.exe 128 PID 732 wrote to memory of 3092 732 cmd.exe 136 PID 732 wrote to memory of 3092 732 cmd.exe 136 PID 732 wrote to memory of 3092 732 cmd.exe 136 -
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\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:792
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C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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:396 -
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:1032
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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:436 -
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:5008
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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:1312
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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:4036
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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:3736 -
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:2044
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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:3224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2168
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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:3472
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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:1436
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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:4972
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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:1228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3592 -
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:732 -
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:3092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1468
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:3092
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc03735ae43c970b93a95fbc56c16926
SHA1b008fdf1b5a635b8994ade7853948c53884678b7
SHA256d73aa8bb3a8a0ae80f0c71ed658897063e1a081cf887cf0309f5560173f856e8
SHA5121f1da9944b18794e3947355db91f6581818dbb4b02346f50bc5a5bf1350284c616ea8bb7506021975e98b021f749935175b569f62a450e2cc3f88618ed7c7872
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c786bea91956e20e9064a02ec9fb2313
SHA1705673fe10b4ca312a1192c454aa53ea5c839a00
SHA2564994d45bd111fab2ccc924b769b95d26ca1662c50481029df31502c70a934b88
SHA512fc82184a1bb1c5e766538aa65edc2c2b9708c76d3d11903104ed8ffb9ad38c3ccf1f90464dcf743b951c57812aefe4be52937d6f89ff8cffb824e8ba06ece280
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546955dc83f31e38e934fb9e14d91df42
SHA1c68911f9c503eb76b1cf44ba31c0282cb816dc1e
SHA25604ca1db9b5f9eda401b246c013f11b80c2e80bdfa4e641287b92eaa83ab7683b
SHA51243b147871f520b5e380f994be933f8e492a9daf150363b2e458b4a3cc8ccfbad596b997542f58fa1ae4f8667d3d549197f47aaeffb8dee37c321a13267a754d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6c6dfa8e56cda3f371d6509c2c48a13
SHA1135e8daf17b8d8ecf1f78e410edf21910493f4fd
SHA2565c738dfdfadd2fa2a090520900a048eb1c92a2431f8cfc8291ac8b7692e79840
SHA51223f3ad515acc1b9ede895febbbadd7bdbbf9b696f677c76362c0b5505fc13bb398826ca96c7b5a43ef92fd736f17fd22903bf8b09a263903ba1d983094b131fd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f62e473ef6d4ff5c5b17adf83f9be2b
SHA1f534c60097fc9a5a5872e64306b797339747a1f7
SHA25623e490026d63ede1d2355445c5da1a7d081ee7aae0fb66c6973029073f01f805
SHA512858ae90ecd1ff8bda6eec049c146e7ca23aa395e55aa6967845ab96202d5372d4dae1a44ce2a7389867a019f072545dfc5434d5f37bd74c58a83a617e720e9b2
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Filesize
4.1MB
MD5be50588fe75fa25a087e5f7d8d4b850f
SHA1651769862a2d2737ae1fc7944607f13480ef7f51
SHA256b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5
SHA512f73a2f366bb28fadb4353a27dd7e513459c151440b85d7b5737d2c5f26927fdbf9eb625efd0a49abd2fc095d71c3f573a185f491ec1f4c3b4cd11806985798d5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec