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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/03/2024, 20:13
Static task
static1
Behavioral task
behavioral1
Sample
2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe
Resource
win10v2004-20231215-en
General
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Target
2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe
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Size
4.1MB
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MD5
5efb4c749adf7f5b04830e972a32f35e
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SHA1
0b5ef9e8828bc8649a60af0d572d5ddae60aaac0
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SHA256
2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e
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SHA512
f4b418305d8748c59b2bf9ff655f156c9d9ff3da0420ecc4e0fc04ca8fad693247f901aa64cb5a68de9a6790783397188959f0a7569aca1776abf6487a5fda8e
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SSDEEP
98304:wweYpH8a1E/hAvuJrNpMhoVQFJSmaZ4CrqayBIRegw7Ln0:wweIN1CXrNKdFJSmauCrqRfLn0
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/5080-2-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/5080-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5080-48-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5080-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5080-53-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/664-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/664-89-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/664-92-0x0000000002B10000-0x0000000002F12000-memory.dmp family_glupteba behavioral2/memory/664-139-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/664-145-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1288-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1288 csrss.exe 2208 injector.exe 3924 windefender.exe 4236 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7fd-249.dat upx behavioral2/memory/3924-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4236-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4236-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\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\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 File created 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 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe File created C:\Windows\rss\csrss.exe 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4988 sc.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 4476 schtasks.exe 3552 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 468 powershell.exe 468 powershell.exe 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 1888 powershell.exe 1888 powershell.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2204 powershell.exe 2204 powershell.exe 2036 powershell.exe 2036 powershell.exe 2336 powershell.exe 2336 powershell.exe 5008 powershell.exe 5008 powershell.exe 4532 powershell.exe 4532 powershell.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 1288 csrss.exe 1288 csrss.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 1288 csrss.exe 1288 csrss.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 1288 csrss.exe 1288 csrss.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe 2208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 468 powershell.exe Token: SeDebugPrivilege 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Token: SeImpersonatePrivilege 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 2204 powershell.exe Token: SeDebugPrivilege 2036 powershell.exe Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeSystemEnvironmentPrivilege 1288 csrss.exe Token: SeSecurityPrivilege 4988 sc.exe Token: SeSecurityPrivilege 4988 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5080 wrote to memory of 468 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 82 PID 5080 wrote to memory of 468 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 82 PID 5080 wrote to memory of 468 5080 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 82 PID 664 wrote to memory of 1888 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 87 PID 664 wrote to memory of 1888 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 87 PID 664 wrote to memory of 1888 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 87 PID 664 wrote to memory of 4376 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 89 PID 664 wrote to memory of 4376 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 89 PID 4376 wrote to memory of 4860 4376 cmd.exe 91 PID 4376 wrote to memory of 4860 4376 cmd.exe 91 PID 664 wrote to memory of 2204 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 92 PID 664 wrote to memory of 2204 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 92 PID 664 wrote to memory of 2204 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 92 PID 664 wrote to memory of 2036 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 94 PID 664 wrote to memory of 2036 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 94 PID 664 wrote to memory of 2036 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 94 PID 664 wrote to memory of 1288 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 96 PID 664 wrote to memory of 1288 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 96 PID 664 wrote to memory of 1288 664 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 96 PID 1288 wrote to memory of 2336 1288 csrss.exe 97 PID 1288 wrote to memory of 2336 1288 csrss.exe 97 PID 1288 wrote to memory of 2336 1288 csrss.exe 97 PID 1288 wrote to memory of 5008 1288 csrss.exe 103 PID 1288 wrote to memory of 5008 1288 csrss.exe 103 PID 1288 wrote to memory of 5008 1288 csrss.exe 103 PID 1288 wrote to memory of 4532 1288 csrss.exe 105 PID 1288 wrote to memory of 4532 1288 csrss.exe 105 PID 1288 wrote to memory of 4532 1288 csrss.exe 105 PID 1288 wrote to memory of 2208 1288 csrss.exe 107 PID 1288 wrote to memory of 2208 1288 csrss.exe 107 PID 3924 wrote to memory of 4600 3924 windefender.exe 113 PID 3924 wrote to memory of 4600 3924 windefender.exe 113 PID 3924 wrote to memory of 4600 3924 windefender.exe 113 PID 4600 wrote to memory of 4988 4600 cmd.exe 114 PID 4600 wrote to memory of 4988 4600 cmd.exe 114 PID 4600 wrote to memory of 4988 4600 cmd.exe 114 -
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\2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe"C:\Users\Admin\AppData\Local\Temp\2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:468
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C:\Users\Admin\AppData\Local\Temp\2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe"C:\Users\Admin\AppData\Local\Temp\2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.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:664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888
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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:4376 -
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:4860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2204
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336
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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:4476
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:244
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532
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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:2208
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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:3552
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4600 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:4988
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4236
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57626601aa012edbbee12c8f76ff26d47
SHA11e26e1096631c3779616bbdf172cbcfc7e4c9209
SHA2567ce504a7be6eb26c3350faf0cbd1c8b5570a53bd388e4d9897ac676565d64bec
SHA5122dc123197e76a4e7d79e935aab10bb16d0de2df8085154d44b3b5e9e81b389c20d09d1e5579aa5fe860d42a31ed35f188142f95c5d415f732fd6e7808e687e02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d4aebb4121082965c7dab808b876cff
SHA13b2f499ab509c06bcd6863f4dda8c9124bbcac9a
SHA256244103d1a1dd0faed276cf527ae2ad936fd6c70bd7ab30ed1553949bb8ae7d0a
SHA5124bc5f12b98f32ae1d778002c289d172e4c2c554573e93e7d2a1c6df64fcedc84a892c033b12bff9c56ed59ccb424347042d3715788102c65f189afc3b50a3aa4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f47450aede6700c21d14649aa898995
SHA134e66eeeb43d8e12ee6e7efe35e0079f9e52565a
SHA256affd0da653661426f68edf82a779ad16b0fc1ca95a4a6cf222133ddc66f9c5a5
SHA5125883ba4408af19a3001e1ed489fd9b98bdfb036ab54e3154f66132472a1b5ac3a7d33fbd8721d338f6e087f399375e3fe9f44a226b94ede484993185e777f422
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5546be50adce11d4289e42204f0e4f78b
SHA162de9ec810bd7cd97f290d0dfd609a12894dfed5
SHA25626bdb05ddc848c64ad682840278f238d21bd486648a9af78d591b63bc0b90952
SHA512303876f7f9faef2cd17f377f2c5fba823f460fbb2fc3f5b8e58a3607634f804d844388163e0ba30a4e2e669de59f3d52fc7fb7e536a012a63426df958d65c1a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a4a9cec2a9537da18bc40c1e6d6a91d1
SHA12485ad48525f47ec8663252814a14b6489addb1d
SHA25676d4895a679c95a7c460d801591f2b8267d245d6c1fcc667a4423d78e9cbe204
SHA5123be775ee9e88c982c9db7bb6dc03f2366f02ee7a197372e1e89867eff8f274981378899f28579bbdf8cc5435d46fba2eca8e43991209a33b184348b9c7e4fbaa
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Filesize
1.2MB
MD583861bb3a8e8c68c1b4261c78dcfb602
SHA1c3d42776eff2b3302e984bf498764d0371a2e890
SHA256d24e9c5b04bf5f2a03a0fd847b6b85b9461ebade65760fb224bb7d102b061076
SHA5123462be2d73d800d0d29f617a7da59a070f221be7fa75757f5966df9537e57447375a1a61815fe09b3da0e684b1f36ff727a3c3331f32ef9051e6a8b68c365f49
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Filesize
2.3MB
MD527a57a3e605a3d77cef0ce73fb73fc12
SHA16f6dac8e4ff2a3cceb685b4ff2069b17d3a8e191
SHA256ed770301bf112410c563570445dfd5e9abf3130dc63ce6d147c8bcb68c2121a7
SHA512e281bfc44a9e987131128a3701b313b1045214251d912779f68ec670aa8381511109a12dc2b834cf1da4df829399b1f9036276d5cb2d7fdc2ef54d2b9c2de945
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec