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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 19 IoCs
resource yara_rule behavioral1/memory/5108-2-0x0000000002F40000-0x000000000382B000-memory.dmp family_glupteba behavioral1/memory/5108-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5108-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2232-56-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral1/memory/2232-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2232-151-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-278-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-280-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3268-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4924 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3268 csrss.exe 1276 injector.exe 4452 windefender.exe 2408 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002323b-261.dat upx behavioral1/memory/4452-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2408-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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 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 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 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe File created C:\Windows\rss\csrss.exe 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3080 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 2420 schtasks.exe 4744 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\@tzres.dll,-1721 = "Libya Daylight Time" 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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.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,-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,-632 = "Tokyo Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5112 powershell.exe 5112 powershell.exe 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 728 powershell.exe 728 powershell.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 2440 powershell.exe 2440 powershell.exe 1388 powershell.exe 1388 powershell.exe 1588 powershell.exe 1588 powershell.exe 1204 powershell.exe 1204 powershell.exe 1516 powershell.exe 1516 powershell.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 3268 csrss.exe 3268 csrss.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 3268 csrss.exe 3268 csrss.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 3268 csrss.exe 3268 csrss.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe 1276 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Token: SeImpersonatePrivilege 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1204 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeSystemEnvironmentPrivilege 3268 csrss.exe Token: SeSecurityPrivilege 3080 sc.exe Token: SeSecurityPrivilege 3080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5108 wrote to memory of 5112 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 85 PID 5108 wrote to memory of 5112 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 85 PID 5108 wrote to memory of 5112 5108 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 85 PID 2232 wrote to memory of 728 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 90 PID 2232 wrote to memory of 728 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 90 PID 2232 wrote to memory of 728 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 90 PID 2232 wrote to memory of 1936 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 92 PID 2232 wrote to memory of 1936 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 92 PID 1936 wrote to memory of 4924 1936 cmd.exe 94 PID 1936 wrote to memory of 4924 1936 cmd.exe 94 PID 2232 wrote to memory of 2440 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 95 PID 2232 wrote to memory of 2440 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 95 PID 2232 wrote to memory of 2440 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 95 PID 2232 wrote to memory of 1388 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 97 PID 2232 wrote to memory of 1388 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 97 PID 2232 wrote to memory of 1388 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 97 PID 2232 wrote to memory of 3268 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 99 PID 2232 wrote to memory of 3268 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 99 PID 2232 wrote to memory of 3268 2232 2603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e.exe 99 PID 3268 wrote to memory of 1588 3268 csrss.exe 100 PID 3268 wrote to memory of 1588 3268 csrss.exe 100 PID 3268 wrote to memory of 1588 3268 csrss.exe 100 PID 3268 wrote to memory of 1204 3268 csrss.exe 106 PID 3268 wrote to memory of 1204 3268 csrss.exe 106 PID 3268 wrote to memory of 1204 3268 csrss.exe 106 PID 3268 wrote to memory of 1516 3268 csrss.exe 108 PID 3268 wrote to memory of 1516 3268 csrss.exe 108 PID 3268 wrote to memory of 1516 3268 csrss.exe 108 PID 3268 wrote to memory of 1276 3268 csrss.exe 113 PID 3268 wrote to memory of 1276 3268 csrss.exe 113 PID 4452 wrote to memory of 1176 4452 windefender.exe 122 PID 4452 wrote to memory of 1176 4452 windefender.exe 122 PID 4452 wrote to memory of 1176 4452 windefender.exe 122 PID 1176 wrote to memory of 3080 1176 cmd.exe 123 PID 1176 wrote to memory of 3080 1176 cmd.exe 123 PID 1176 wrote to memory of 3080 1176 cmd.exe 123 -
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:5108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5112
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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:2232 -
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:728
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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:1936 -
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:4924
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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:2440
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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:1388
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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:3268 -
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:1588
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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:2420
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1148
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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:1204
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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:1516
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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:1276
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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:4744
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4452 -
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:1176 -
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:3080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2408
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b60e5d8628cecb4d8d8ceed4443ccdcf
SHA124e7313f998da431a3e8861f224ec43275a67c61
SHA25632893c7086f9cf4e8d5f39b615d8751a18009438049283be00940d0383b0cc93
SHA5126cd10efd5c29d7d70276ae1deb112073bd08ce6959f090303500ffca93b8031d331919f3dce134ab5568ee4365e9f113341a0fe8eded80df0333499d12498442
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5adc38fdde132e91edc1966be6a6a235e
SHA1a9209f261f84516b9c0d364635d68e6e9e86b073
SHA256460ebf7ab11f8136d4e477c72362c52a1342709dd5660f68ecdb55a531246430
SHA5128901663216ff305f377f45752a79cb70c1ccaee67ea9a76effbb95634e6f377fdc486578b695c49ce1ec73e9aedbdcc85a462b131ee8be1ee167d5fcbe4fc3bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53102145568d3978bf4558b1b9a88e81f
SHA1153e85922baed295727a37840aa1054ec2118ad1
SHA256c0f6262a603f0040321810c029cce7809908076e6966d3372a9407ddb2519ff1
SHA5126fc50d8c48b13f199454d25e800e9584aa8a2b33e8a2da9171463039472d4e8dd8630084d056981e3dbeea22c0af1bf4b498b09f0253871e29d6635788ccce84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d2861ca04177173528ddd5eb121817c
SHA1b6e97c7acb2afe1041e65c2e0fbd4371a7c62693
SHA2561d639f14c3247bd525189c825252915aa535c2203d52c49b29b96790493fa813
SHA5127e443447639c0755e24269e5fd8c6b4a843f09af6d30a5118ef9714b3d51deaab1ac1d70efbd0c64f027c7bca8011d1829e022f1ca186538e89a8e332cfc7932
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559a51af374cad7057e175264fa2197b8
SHA14575daa369b85c533e95e406ece53612ee0c3521
SHA256bc253d70720f50e2aff9115d89415e96fb89a708b59e727140c3a957e5fb7c49
SHA512f1a4faa6d6eaf8e89822c355abccac44a574d3d2aaaafae343353d9e10ef713668c030192cae33934091e74e7ab630029af324d20153f7c7f12bb8455cd2023c
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Filesize
4.1MB
MD55efb4c749adf7f5b04830e972a32f35e
SHA10b5ef9e8828bc8649a60af0d572d5ddae60aaac0
SHA2562603588351022fe3edf7c9a86c64709029a3c9093f97ecfd3b3921ee1275253e
SHA512f4b418305d8748c59b2bf9ff655f156c9d9ff3da0420ecc4e0fc04ca8fad693247f901aa64cb5a68de9a6790783397188959f0a7569aca1776abf6487a5fda8e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec