Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
06-06-2024 10:16
Static task
static1
Behavioral task
behavioral1
Sample
693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe
Resource
win7-20240221-en
General
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Target
693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe
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Size
4.1MB
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MD5
881aa53278b6fd49243280d29897d19d
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SHA1
dd028f2c1f5b5356e81eadc0e39f263105847f19
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SHA256
693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda
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SHA512
2fd0d0eef468aa3ebac35c2979976214ba4c7c49a2bd86ddbd48be30c87073bbc67f72e171ec7056d14e4671561d16a636f47664db861a1227ce75e07d12c49c
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SSDEEP
98304:JGrnwiB2dYFBQLVw0Jv37FWi1chPr/xRmmjECQgDNU:JG7LuY/yhvJWf/qmwCQmU
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/316-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/316-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/316-28-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/316-66-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/316-83-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/316-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4352-108-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4352-135-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-173-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-221-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-223-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-225-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-227-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-228-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-231-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-235-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3076-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2696 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3076 csrss.exe 2432 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe File created C:\Windows\rss\csrss.exe 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe -
pid Process 4044 powershell.exe 1444 powershell.exe 3348 powershell.exe 2056 powershell.exe 1360 powershell.exe 320 powershell.exe 1444 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 4592 schtasks.exe 1092 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,-872 = "Pakistan Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4044 powershell.exe 4044 powershell.exe 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 1444 powershell.exe 1444 powershell.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 3348 powershell.exe 3348 powershell.exe 2056 powershell.exe 2056 powershell.exe 1360 powershell.exe 1360 powershell.exe 320 powershell.exe 320 powershell.exe 1444 powershell.exe 1444 powershell.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 3076 csrss.exe 3076 csrss.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 3076 csrss.exe 3076 csrss.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe 2432 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Token: SeImpersonatePrivilege 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 1360 powershell.exe Token: SeDebugPrivilege 320 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeSystemEnvironmentPrivilege 3076 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 316 wrote to memory of 4044 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 89 PID 316 wrote to memory of 4044 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 89 PID 316 wrote to memory of 4044 316 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 89 PID 4352 wrote to memory of 1444 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 95 PID 4352 wrote to memory of 1444 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 95 PID 4352 wrote to memory of 1444 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 95 PID 4352 wrote to memory of 544 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 97 PID 4352 wrote to memory of 544 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 97 PID 544 wrote to memory of 2696 544 cmd.exe 99 PID 544 wrote to memory of 2696 544 cmd.exe 99 PID 4352 wrote to memory of 3348 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 100 PID 4352 wrote to memory of 3348 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 100 PID 4352 wrote to memory of 3348 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 100 PID 4352 wrote to memory of 2056 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 102 PID 4352 wrote to memory of 2056 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 102 PID 4352 wrote to memory of 2056 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 102 PID 4352 wrote to memory of 3076 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 104 PID 4352 wrote to memory of 3076 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 104 PID 4352 wrote to memory of 3076 4352 693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe 104 PID 3076 wrote to memory of 1360 3076 csrss.exe 106 PID 3076 wrote to memory of 1360 3076 csrss.exe 106 PID 3076 wrote to memory of 1360 3076 csrss.exe 106 PID 3076 wrote to memory of 320 3076 csrss.exe 112 PID 3076 wrote to memory of 320 3076 csrss.exe 112 PID 3076 wrote to memory of 320 3076 csrss.exe 112 PID 3076 wrote to memory of 1444 3076 csrss.exe 114 PID 3076 wrote to memory of 1444 3076 csrss.exe 114 PID 3076 wrote to memory of 1444 3076 csrss.exe 114 PID 3076 wrote to memory of 2432 3076 csrss.exe 116 PID 3076 wrote to memory of 2432 3076 csrss.exe 116 -
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\693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe"C:\Users\Admin\AppData\Local\Temp\693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.exe"C:\Users\Admin\AppData\Local\Temp\693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda.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:4352 -
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:1444
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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:544 -
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:2696
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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:3348
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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:2056
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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:3076 -
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:1360
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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:4592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4420
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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:320
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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:1444
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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:2432
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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:1092
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3ebaae1335b8f7d393ce248ccb61d83
SHA190d8f902021f28e8abaad9e10f5101ebc12697c9
SHA2568ec8d99c3ec9f9e19ddd4e9c770438a3155b7fb4c6800a1e6ee872c95fcca91a
SHA5122733c06be7f004de73d9de246fe32b1d948f608af140562141dae60a45bba50b28c423863d07076a5ff651a25a41cf8735870b99c38c10f98dcfb28611064e89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5696e7881d3dad4fd498ed451b09bfe19
SHA111169f01563980fc3fd7e8fbe6679c1d31842567
SHA256bfd273c76fcf653e40505ff3906f40a73f7fda8308cf52d52d3d17ed8ef53185
SHA51270ae9a7d46ad447aa3f754d0e565f5d9fdc235074b9cabf3a4899f14e8d332a502ec258552f64fbe5aae42e14ac0fd6ef67d4d3ad6a73f1d9da4dd519501a3c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d778f34025be6350b830792535a66ec6
SHA17729c763c49f3724bec51571d57fc4d1804634d0
SHA256f86900ceb8e296a91d34612a7b588d1304718c51a4e8645133421f30b6ac2a2b
SHA512695ee14857ead9613fc06143a5bdf8a68a14d6317275844e54cd92142b609e4f1ecadb33f805e00c3255505bdd26beea909b384f184211ab508cb88d8ca5ea4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560f7e37e2e224cc37cbab956d7c06634
SHA13162dd8ae73454b513e62c1dd4eb389a5aed2960
SHA256a09861c3a06cbc35b3aadb72d8ea2984467d52146b3e1faac078ae5f1450cc54
SHA512c0b5c06a0f3f358963b662932b64b93ea86b11defe091ba952f12fb4b63358a1f1bc0a4806b96b250cddae45bbc3167399fd637f05b38c3800802ab1acaf27f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bdc7c0fe81c9a1f2e462cbfc35ee12f
SHA1e11ca3e6bf0d146762dad661864ea926f2ed7abf
SHA256b193e3acfcb2321e101d5ef166ef8158875f3afb16a8564dd21b493d4498d4ca
SHA512d701c26b64786f706fe31177257ea48d114e8a18f6ef7c6441d01e1e879f85fa3d9bdd06edcd167ad64ae36dfc186c5fa68ac46cee3a93933af63efaa09afa56
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Filesize
4.1MB
MD5881aa53278b6fd49243280d29897d19d
SHA1dd028f2c1f5b5356e81eadc0e39f263105847f19
SHA256693fa17c698273ec0029c95a052cebf63a9e00c8e9ccc9cc1c77b586425efcda
SHA5122fd0d0eef468aa3ebac35c2979976214ba4c7c49a2bd86ddbd48be30c87073bbc67f72e171ec7056d14e4671561d16a636f47664db861a1227ce75e07d12c49c