Analysis
-
max time kernel
299s -
max time network
275s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2025, 09:55
Static task
static1
Behavioral task
behavioral1
Sample
f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe
Resource
win10v2004-20250314-en
General
-
Target
f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe
-
Size
4.2MB
-
MD5
d3d4eba4ba6831ee614aa7a3cec04586
-
SHA1
e4d14b18aa6a1e786819bba3c77d29bf5555875a
-
SHA256
f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2
-
SHA512
bdbcba8f7b7f8e478848653444892b21f7c7d800374ed25724a9d202b61dbef17e910d08968009ef37f77c7ec21b8f4c190e6e1261bc0160962ee733bf4c75e2
-
SSDEEP
98304:VA4fQecysdnM7rvSYUUWKris2uPrVauxJtwjQ5u0TJp8:rQecsPjnzPnHwjQ5TTJW
Malware Config
Signatures
-
Glupteba family
-
Glupteba payload 33 IoCs
resource yara_rule behavioral2/memory/3992-2-0x0000000002EE0000-0x00000000037CB000-memory.dmp family_glupteba behavioral2/memory/3992-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-44-0x0000000002EE0000-0x00000000037CB000-memory.dmp family_glupteba behavioral2/memory/3992-48-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2604-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2604-131-0x00000000029A0000-0x0000000002DA8000-memory.dmp family_glupteba behavioral2/memory/2604-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-204-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5336-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2880 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 5336 csrss.exe 3900 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\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.
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 51 raw.githubusercontent.com 52 raw.githubusercontent.com -
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 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 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe File created C:\Windows\rss\csrss.exe f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe -
pid Process 2988 powershell.exe 3636 powershell.exe 1788 powershell.exe 6032 powershell.exe 1588 powershell.exe 3008 powershell.exe 4388 powershell.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4872 3992 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2536 schtasks.exe 4812 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1788 powershell.exe 1788 powershell.exe 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 6032 powershell.exe 6032 powershell.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 1588 powershell.exe 1588 powershell.exe 3008 powershell.exe 3008 powershell.exe 4388 powershell.exe 4388 powershell.exe 2988 powershell.exe 2988 powershell.exe 3636 powershell.exe 3636 powershell.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 5336 csrss.exe 5336 csrss.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 5336 csrss.exe 5336 csrss.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe 3900 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Token: SeImpersonatePrivilege 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe Token: SeDebugPrivilege 6032 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 2988 powershell.exe Token: SeDebugPrivilege 3636 powershell.exe Token: SeSystemEnvironmentPrivilege 5336 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3992 wrote to memory of 1788 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 89 PID 3992 wrote to memory of 1788 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 89 PID 3992 wrote to memory of 1788 3992 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 89 PID 2604 wrote to memory of 6032 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 97 PID 2604 wrote to memory of 6032 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 97 PID 2604 wrote to memory of 6032 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 97 PID 2604 wrote to memory of 2632 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 99 PID 2604 wrote to memory of 2632 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 99 PID 2632 wrote to memory of 2880 2632 cmd.exe 101 PID 2632 wrote to memory of 2880 2632 cmd.exe 101 PID 2604 wrote to memory of 1588 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 102 PID 2604 wrote to memory of 1588 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 102 PID 2604 wrote to memory of 1588 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 102 PID 2604 wrote to memory of 3008 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 105 PID 2604 wrote to memory of 3008 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 105 PID 2604 wrote to memory of 3008 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 105 PID 2604 wrote to memory of 5336 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 107 PID 2604 wrote to memory of 5336 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 107 PID 2604 wrote to memory of 5336 2604 f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe 107 PID 5336 wrote to memory of 4388 5336 csrss.exe 110 PID 5336 wrote to memory of 4388 5336 csrss.exe 110 PID 5336 wrote to memory of 4388 5336 csrss.exe 110 PID 5336 wrote to memory of 2988 5336 csrss.exe 116 PID 5336 wrote to memory of 2988 5336 csrss.exe 116 PID 5336 wrote to memory of 2988 5336 csrss.exe 116 PID 5336 wrote to memory of 3636 5336 csrss.exe 118 PID 5336 wrote to memory of 3636 5336 csrss.exe 118 PID 5336 wrote to memory of 3636 5336 csrss.exe 118 PID 5336 wrote to memory of 3900 5336 csrss.exe 120 PID 5336 wrote to memory of 3900 5336 csrss.exe 120 -
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
-
C:\Users\Admin\AppData\Local\Temp\f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe"C:\Users\Admin\AppData\Local\Temp\f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788
-
-
C:\Users\Admin\AppData\Local\Temp\f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe"C:\Users\Admin\AppData\Local\Temp\f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6032
-
-
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:2632 -
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
- Event Triggered Execution: Netsh Helper DLL
PID:2880
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1588
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
-
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:2536
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3060
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2988
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636
-
-
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:3900
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:4812
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 8522⤵
- Program crash
PID:4872
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3992 -ip 39921⤵PID:4832
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee603c042bb2497602e443db9f60248e
SHA17518d7e81b5e4a1f7c3fe7f489f54233e39e0083
SHA2560eea213af7e5fb1cf3d5c5ce0a71453c2c6c7f2f4265ec587025c288114f63b3
SHA512f97dad53a8f207ffe1f5c04c5aa3da750848b5b780168aae622685e0f42f99e795d920d585d9de65d6b4d65921001f0becb41a8073bf52be79581b2e9fe42347
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9998d8da1f7c496824b5e325e777de4
SHA1228c03b9a0b4d86baf917b65ef4ab02e862a4ec9
SHA256f993eb9ed3563cadd3e38234e7e0308a84cebcec7f49d7f8c681fa2ec377c88e
SHA512a7cd6504e2ebc5adccc462b3e3486fd94eb03e48a8b3087242f0692d1605cf8e0031346106be71ac98882918238f9fd97831277d092fc6e2eb06251d903b3ea9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e27a1f5aa133c18c78a112c1179ea07c
SHA1801b1d8e6eb13d3db6b27eb047aaabde99cff0dc
SHA2561c8113456f2370ca94252994a28461a8d0d6f8be045f20213ecf1b1a2107f0b3
SHA512928bc8bba6d8c7a2775bdd17925e53b80af4208e7739e9090b4600e6d2c22e2e1440b866a7a9b2d88a8a5e2e9b3a0abe79f20430a2177037104a7c533a5495f5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b34825f55ffe7b1c4a6138043f827c81
SHA133080e4fbb27fa4bbc02e037a335f3a509bcdd53
SHA256cbe21697ce00e5da8b1b594c8384af40ccb1902779902c1371692873eeecdd32
SHA512c5e56ec27ec67ac64ea10006ecabb1ff1217dcf42f47cfe4869c6e784e910cca89ebd2179debc15e1e8a9b2fd9a152b195b4794ac736ff21d8d49d0326103065
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f1806127c6566a0e8d5e56007111929
SHA1632797a3337fa344c3e88e12fd0a0ec900f53e94
SHA256eb23fa9dd9e323c76d26177885c647c8426647509ee5dcd0424d74055ac16eea
SHA512858c6eba45ca29329f3213f8314f0eaed382d3204ac48ecca20a61e501279776bd18f35b11d5b7186140a9b1a8c22800c90ba804953b18aa201bf106b46ffb27
-
Filesize
4.2MB
MD5d3d4eba4ba6831ee614aa7a3cec04586
SHA1e4d14b18aa6a1e786819bba3c77d29bf5555875a
SHA256f349a03a2c8709c06d4434720abb398893b103670b03ee018938b48db0e6eaf2
SHA512bdbcba8f7b7f8e478848653444892b21f7c7d800374ed25724a9d202b61dbef17e910d08968009ef37f77c7ec21b8f4c190e6e1261bc0160962ee733bf4c75e2