Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2023, 22:46
Static task
static1
Behavioral task
behavioral1
Sample
be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe
Resource
win7-20230831-en
General
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Target
be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe
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Size
4.1MB
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MD5
96fb9559a584f28b6438a82bb3825315
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SHA1
d287d3aa7b60e52bf4cb5a3723a94772272547b6
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SHA256
be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3
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SHA512
7b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc
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SSDEEP
98304:QRTkDuHgmYx/lUN44oPlaFTRDd8Vl17ZH+qKHzyof587dicDjgk:KumYx/lUN44oEJmBCTyoq7dicJ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1684-1-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral2/memory/1684-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1684-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1684-5-0x0000000003000000-0x00000000038EB000-memory.dmp family_glupteba behavioral2/memory/1684-6-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1684-7-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/1684-58-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-62-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-76-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-122-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/840-170-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/372-216-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/372-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/372-271-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/372-273-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/372-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4696 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 372 csrss.exe 4648 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\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 8 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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe File created C:\Windows\rss\csrss.exe be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.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 2224 schtasks.exe 4144 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 456 powershell.exe 456 powershell.exe 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 2192 powershell.exe 2192 powershell.exe 2192 powershell.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 1700 powershell.exe 1700 powershell.exe 1700 powershell.exe 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 3552 powershell.exe 3552 powershell.exe 3552 powershell.exe 1248 powershell.exe 1248 powershell.exe 1248 powershell.exe 4880 powershell.exe 4880 powershell.exe 4880 powershell.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 372 csrss.exe 372 csrss.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe 4648 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Token: SeImpersonatePrivilege 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeDebugPrivilege 1248 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeSystemEnvironmentPrivilege 372 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1684 wrote to memory of 456 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 93 PID 1684 wrote to memory of 456 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 93 PID 1684 wrote to memory of 456 1684 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 93 PID 840 wrote to memory of 2192 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 102 PID 840 wrote to memory of 2192 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 102 PID 840 wrote to memory of 2192 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 102 PID 840 wrote to memory of 3352 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 105 PID 840 wrote to memory of 3352 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 105 PID 3352 wrote to memory of 4696 3352 cmd.exe 107 PID 3352 wrote to memory of 4696 3352 cmd.exe 107 PID 840 wrote to memory of 1700 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 108 PID 840 wrote to memory of 1700 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 108 PID 840 wrote to memory of 1700 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 108 PID 840 wrote to memory of 3684 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 110 PID 840 wrote to memory of 3684 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 110 PID 840 wrote to memory of 3684 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 110 PID 840 wrote to memory of 372 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 112 PID 840 wrote to memory of 372 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 112 PID 840 wrote to memory of 372 840 be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe 112 PID 372 wrote to memory of 3552 372 csrss.exe 113 PID 372 wrote to memory of 3552 372 csrss.exe 113 PID 372 wrote to memory of 3552 372 csrss.exe 113 PID 372 wrote to memory of 1248 372 csrss.exe 119 PID 372 wrote to memory of 1248 372 csrss.exe 119 PID 372 wrote to memory of 1248 372 csrss.exe 119 PID 372 wrote to memory of 4880 372 csrss.exe 121 PID 372 wrote to memory of 4880 372 csrss.exe 121 PID 372 wrote to memory of 4880 372 csrss.exe 121 PID 372 wrote to memory of 4648 372 csrss.exe 124 PID 372 wrote to memory of 4648 372 csrss.exe 124 -
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\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe"C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456
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C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.exe"C:\Users\Admin\AppData\Local\Temp\be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3.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:840 -
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:2192
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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:3352 -
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:4696
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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:1700
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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:3684
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372 -
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:3552
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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:2224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4296
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1248
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4880
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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:4648
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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:4144
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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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Filesize35KB
MD5c0c4404d7fa40cfc426fa66648e532c2
SHA1d60dcafc42c6cca766a81d5bfdd8e86978940db0
SHA256ca8746b989ce25d54f1b7fa117f804f162d842228b7f6e9422aeaf0cc6a017f3
SHA512c84bb02966316ee10a38f35516964e4b2730a4a36ede9e13e8b3cf8669756dc7ed44fa5d06e30347050b854e6f82219a38db13dce3b16138354aa331c73d02b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed9e7cf4a70fe71f6317c9c233875b5d
SHA11a8d34be71666658e1ef35cb1d3008e00abcf552
SHA2562c696383c1bd235c0e1708b58c88fa433204956c7fa06d5fc4af66fd5f6ff0fe
SHA512c6bddc191706221f178c5722d047f9bbb9a78cec94738dc50d48c33f968ab90cef8bb2fe23e9ad952338ce8321b5f23ffb722038d5ab515b19ed582360dc04c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD55933f5524840e75ad9a94024fda0c75c
SHA169d13bb5d1248bea53280ab76a25af662fd5d510
SHA256041f427fb322f48802cc693bc1446acd0a116381ea0b057e2ba28802f7d82daf
SHA5123bfeef4b0fa089c84b0f07fa7d921a7cb6bab5bef0c4ee82dc8786d1ca2543503d1cd01dcbb2ff5c39f9774a06436772418fb41143bb34c661c4ce1d1fed35ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f27a0a98587b4f2a427eba69976926b4
SHA1096256486a92a815bf06f93ad1a150ed4b965905
SHA2566375f0590ad627454f8f6bef1cd25656d0175e0c9b8dad6be2815d85215bb2cb
SHA512e9943691ebb7f853e8d30a6243f65df2ddd975cd0ab2247110f9b6cc6827c22e3a7ca1538fcf39433c89e41daed7f66b7913f74c4a0e81ddc4daa5244ea1a8b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD53293027792559478c6b9a12b4b7b561a
SHA1ee07cad367be081d8d989401eb951530178090dd
SHA2567694c061637f6dbf7d71ae196bf11c94cb2d796e6dd29ff075faf50c5289da4a
SHA512cb0274f71c767a9c0a5025cec92545c3dd58777ac9c05bbfbf077bf80796f37260563beed075fa2c342ce916ef67a916ef48292357a1853062354743f56ad018
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f27375e6a7212233f990349f02e05fce
SHA123a70d7d7e5ee197f7628503d218bbdce0f3cdb3
SHA256f45207f6aa81999ba98f9c5e09acefc02f6034372843242b095878530f33fb75
SHA5128fa39bcae47a3d62ca06a26a8b68a07ae6a85342fb711056ef53741016b93aa79dd57b04be14af3195ec5b07a091df50a6382abc276f804222c047e9e8f8173c
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Filesize
4.1MB
MD596fb9559a584f28b6438a82bb3825315
SHA1d287d3aa7b60e52bf4cb5a3723a94772272547b6
SHA256be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3
SHA5127b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc
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Filesize
4.1MB
MD596fb9559a584f28b6438a82bb3825315
SHA1d287d3aa7b60e52bf4cb5a3723a94772272547b6
SHA256be07903bd984dfffa1a14aabacb0d0d64d45bab75ac30c78dccf2fbbac54d5a3
SHA5127b5d755451c541eef6157951690e72249536e5ce714ef8dd29e71abb19164276e7387bda1a65e42e6c208617ef2744cc5be8d0c82fc340117efd831d137015fc