Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2024 16:01
Static task
static1
Behavioral task
behavioral1
Sample
7725eaa6592c80f8124e769b4e8a07f71.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
7725eaa6592c80f8124e769b4e8a07f71.exe
Resource
win10v2004-20241007-en
General
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Target
7725eaa6592c80f8124e769b4e8a07f71.exe
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Size
4.2MB
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MD5
32ddef87207fd48862944757fe21f2ab
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SHA1
53942206c163d02c299e851def37791cda3ef7e1
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SHA256
073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e
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SHA512
896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143
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SSDEEP
98304:E9zsQ68NZJAUQvS0gtKx7M125D/72Q5Z9pvPsrDHphmEIUQTq:E9zDHXJT0SKx71Dj2SnqJNpt
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4720-2-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/4720-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4720-43-0x0000000002EA0000-0x000000000378B000-memory.dmp family_glupteba behavioral2/memory/4720-57-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4720-83-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2340-132-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2340-138-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-214-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-221-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-223-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-225-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-227-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-229-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-231-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-233-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-235-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-237-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-239-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-241-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4992-243-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4100 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4992 csrss.exe 1632 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7725eaa6592c80f8124e769b4e8a07f71.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 53 raw.githubusercontent.com 54 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 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 7725eaa6592c80f8124e769b4e8a07f71.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 7725eaa6592c80f8124e769b4e8a07f71.exe File created C:\Windows\rss\csrss.exe 7725eaa6592c80f8124e769b4e8a07f71.exe -
pid Process 3108 powershell.exe 940 powershell.exe 3068 powershell.exe 4480 powershell.exe 1932 powershell.exe 3932 powershell.exe 4848 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 -
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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7725eaa6592c80f8124e769b4e8a07f71.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7725eaa6592c80f8124e769b4e8a07f71.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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 7725eaa6592c80f8124e769b4e8a07f71.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 7725eaa6592c80f8124e769b4e8a07f71.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 1604 schtasks.exe 2936 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3068 powershell.exe 3068 powershell.exe 4720 7725eaa6592c80f8124e769b4e8a07f71.exe 4720 7725eaa6592c80f8124e769b4e8a07f71.exe 4480 powershell.exe 4480 powershell.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 1932 powershell.exe 1932 powershell.exe 3932 powershell.exe 3932 powershell.exe 4848 powershell.exe 4848 powershell.exe 3108 powershell.exe 3108 powershell.exe 940 powershell.exe 940 powershell.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 4992 csrss.exe 1632 injector.exe 4992 csrss.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 4992 csrss.exe 4992 csrss.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe 1632 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 3068 powershell.exe Token: SeDebugPrivilege 4720 7725eaa6592c80f8124e769b4e8a07f71.exe Token: SeImpersonatePrivilege 4720 7725eaa6592c80f8124e769b4e8a07f71.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 940 powershell.exe Token: SeSystemEnvironmentPrivilege 4992 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4720 wrote to memory of 3068 4720 7725eaa6592c80f8124e769b4e8a07f71.exe 87 PID 4720 wrote to memory of 3068 4720 7725eaa6592c80f8124e769b4e8a07f71.exe 87 PID 4720 wrote to memory of 3068 4720 7725eaa6592c80f8124e769b4e8a07f71.exe 87 PID 2340 wrote to memory of 4480 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 93 PID 2340 wrote to memory of 4480 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 93 PID 2340 wrote to memory of 4480 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 93 PID 2340 wrote to memory of 1732 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 95 PID 2340 wrote to memory of 1732 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 95 PID 1732 wrote to memory of 4100 1732 cmd.exe 97 PID 1732 wrote to memory of 4100 1732 cmd.exe 97 PID 2340 wrote to memory of 1932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 98 PID 2340 wrote to memory of 1932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 98 PID 2340 wrote to memory of 1932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 98 PID 2340 wrote to memory of 3932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 100 PID 2340 wrote to memory of 3932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 100 PID 2340 wrote to memory of 3932 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 100 PID 2340 wrote to memory of 4992 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 102 PID 2340 wrote to memory of 4992 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 102 PID 2340 wrote to memory of 4992 2340 7725eaa6592c80f8124e769b4e8a07f71.exe 102 PID 4992 wrote to memory of 4848 4992 csrss.exe 103 PID 4992 wrote to memory of 4848 4992 csrss.exe 103 PID 4992 wrote to memory of 4848 4992 csrss.exe 103 PID 4992 wrote to memory of 3108 4992 csrss.exe 109 PID 4992 wrote to memory of 3108 4992 csrss.exe 109 PID 4992 wrote to memory of 3108 4992 csrss.exe 109 PID 4992 wrote to memory of 940 4992 csrss.exe 113 PID 4992 wrote to memory of 940 4992 csrss.exe 113 PID 4992 wrote to memory of 940 4992 csrss.exe 113 PID 4992 wrote to memory of 1632 4992 csrss.exe 115 PID 4992 wrote to memory of 1632 4992 csrss.exe 115 -
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\7725eaa6592c80f8124e769b4e8a07f71.exe"C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720 -
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:3068
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C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.exe"C:\Users\Admin\AppData\Local\Temp\7725eaa6592c80f8124e769b4e8a07f71.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:2340 -
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:4480
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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:1732 -
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:4100
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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:1932
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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:3932
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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.
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
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:4848
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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:1604
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5020
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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:3108
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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:940
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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:1632
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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:2936
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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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f91912841ea8dc077a47aa2147b04380
SHA110428a75e52b11d5d9b1d3cad4d3fb090c1a7c37
SHA2563f222bb7734002af4573e48fc6650301ff7581a3f3391663a546c68935bae80f
SHA5124bc1fd0e7e0671445964fde8d3f67f1b8967a8bdb127a2addb20465b1111eab992adbfd816af2707b3329d8d6db760f455ac7c0c5bb28e068e39d0463129ef33
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5887ace5e2ea898a427387bfc9a9ad4be
SHA13337dd65a859d66aaef4e8e891afd86a3be67c11
SHA25605bd417c5b975121464f23f73d83c9aad607b3d53cd660cda8edbff80f7ca2d2
SHA512648a4d040184e17a8667c98074057fa54228cb37cd2a0d70f30b25818023eba75428e4abb93b3bdd9bb6bef8b44051c3e633fb57b0e3b9f3332c566d3a835b9d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570307309ac6d53716122e635c6102f17
SHA1842fbbbc85be98f2c4169d1b7359a8b4c8cc86e2
SHA256f220c59ae32324da85a1ee678330feb9f009ef8eb4eb6fa3388656de9074e58b
SHA512f6396e977c49b978f25345a27ca2215e8ad2fcc05382f083e709a27f8ca94175e7857e993b6677257df2de16d6bf301738e4c3ed27210ade58d54d88979f40af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eee8e94b2879f72e637033830e748ac3
SHA18c8f9d9fa5cb404e666978ad1677f31b9991e0bf
SHA2563b33740a1ae1d5a1898f55e263bff5d0238ca55cd2074fd9e12b4d6b494a59ae
SHA512d16e1dcfffde22f4967a740a827c95fcee81e0738b6f186771bc7ae1290d2c9b4c2add582569d1fb0a91a16f1129716b9ea7be749bf39ec0a7d289a0176a32e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d40bd7abf2c6f7380e1f6ea454e76f9
SHA17f70d33929e3b71d991ef854e7bada6822abf828
SHA25684c6c1b83bb5f5faa59c9a49d86e3f6d7b3a60eaa486f2918c0409e334fb2eb4
SHA512e1e2e6eee94319eb824db7cb6d5ec4865b3cd5ea19c610c8e347d2d6199fa947cb99244921fdb0d6db5ff878b7c562e7eaa13f8f066c6b561c4be828ceb5d411
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Filesize
4.2MB
MD532ddef87207fd48862944757fe21f2ab
SHA153942206c163d02c299e851def37791cda3ef7e1
SHA256073ffe51172562a79a5978403de4149834b3f2506c72451485b2889edcc1929e
SHA512896dc54f1b8e0b5a02c70502e29be9ca12619052dda9d8a17a31c47a6b2fb1487fc2c871a33e47e5a7d8d7835ece33a3d973549043c05a9aad2e228105756143