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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
01/05/2024, 19:15
Static task
static1
Behavioral task
behavioral1
Sample
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe
Resource
win10v2004-20240419-en
General
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Target
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe
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Size
4.2MB
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MD5
2deb4e487a2592ab33208e6b7833948e
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SHA1
ff1cadf2053c0f00ce7f01ca15bd48577739d0d1
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SHA256
c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510
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SHA512
efb3b7195d6c9aec08e9f49806e8792d1d60d0ebd40bb24b88ffafd2f1829e650c2230a2786a5dc6bd829cc8a112662abd6ac38025d1e68cd57d2e1bbce6e3b0
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SSDEEP
98304:1uxePFYVIjI3jbs7rOr8XbapyaGMQmZfz2EGx2NuCSvblw8lkAbu02:144WVIjIkY8LanZfS12NDwpw8ljbl2
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3840-2-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral2/memory/3840-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3840-36-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/3840-57-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/3840-59-0x00000000051F0000-0x0000000005ADB000-memory.dmp family_glupteba behavioral2/memory/5028-75-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/3840-97-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5028-126-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-195-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-207-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-216-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-220-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-224-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-228-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-232-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-236-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-240-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral2/memory/2652-244-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2476 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2652 csrss.exe 3872 injector.exe 4512 windefender.exe 4688 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab02-206.dat upx behavioral2/memory/4512-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4688-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4512-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4688-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4688-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\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 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 -
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 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.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 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe File created C:\Windows\rss\csrss.exe c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1936 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 1892 schtasks.exe 5036 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3688 powershell.exe 3688 powershell.exe 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 1456 powershell.exe 1456 powershell.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 4052 powershell.exe 4052 powershell.exe 4232 powershell.exe 4232 powershell.exe 1148 powershell.exe 1148 powershell.exe 4488 powershell.exe 4488 powershell.exe 3576 powershell.exe 3576 powershell.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 2652 csrss.exe 2652 csrss.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 2652 csrss.exe 2652 csrss.exe 3872 injector.exe 3872 injector.exe 2652 csrss.exe 2652 csrss.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe 3872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3688 powershell.exe Token: SeDebugPrivilege 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Token: SeImpersonatePrivilege 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 1148 powershell.exe Token: SeDebugPrivilege 4488 powershell.exe Token: SeDebugPrivilege 3576 powershell.exe Token: SeSystemEnvironmentPrivilege 2652 csrss.exe Token: SeSecurityPrivilege 1936 sc.exe Token: SeSecurityPrivilege 1936 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3840 wrote to memory of 3688 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 81 PID 3840 wrote to memory of 3688 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 81 PID 3840 wrote to memory of 3688 3840 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 81 PID 5028 wrote to memory of 1456 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 86 PID 5028 wrote to memory of 1456 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 86 PID 5028 wrote to memory of 1456 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 86 PID 5028 wrote to memory of 380 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 88 PID 5028 wrote to memory of 380 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 88 PID 380 wrote to memory of 2476 380 cmd.exe 90 PID 380 wrote to memory of 2476 380 cmd.exe 90 PID 5028 wrote to memory of 4052 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 91 PID 5028 wrote to memory of 4052 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 91 PID 5028 wrote to memory of 4052 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 91 PID 5028 wrote to memory of 4232 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 93 PID 5028 wrote to memory of 4232 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 93 PID 5028 wrote to memory of 4232 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 93 PID 5028 wrote to memory of 2652 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 95 PID 5028 wrote to memory of 2652 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 95 PID 5028 wrote to memory of 2652 5028 c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe 95 PID 2652 wrote to memory of 1148 2652 csrss.exe 96 PID 2652 wrote to memory of 1148 2652 csrss.exe 96 PID 2652 wrote to memory of 1148 2652 csrss.exe 96 PID 2652 wrote to memory of 4488 2652 csrss.exe 101 PID 2652 wrote to memory of 4488 2652 csrss.exe 101 PID 2652 wrote to memory of 4488 2652 csrss.exe 101 PID 2652 wrote to memory of 3576 2652 csrss.exe 104 PID 2652 wrote to memory of 3576 2652 csrss.exe 104 PID 2652 wrote to memory of 3576 2652 csrss.exe 104 PID 2652 wrote to memory of 3872 2652 csrss.exe 106 PID 2652 wrote to memory of 3872 2652 csrss.exe 106 PID 4512 wrote to memory of 5084 4512 windefender.exe 112 PID 4512 wrote to memory of 5084 4512 windefender.exe 112 PID 4512 wrote to memory of 5084 4512 windefender.exe 112 PID 5084 wrote to memory of 1936 5084 cmd.exe 113 PID 5084 wrote to memory of 1936 5084 cmd.exe 113 PID 5084 wrote to memory of 1936 5084 cmd.exe 113 -
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\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688
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C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.exe"C:\Users\Admin\AppData\Local\Temp\c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510.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:5028 -
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:1456
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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:380 -
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:2476
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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:4052
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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:4232
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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:2652 -
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:1148
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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:1892
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:540
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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:4488
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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:3576
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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:3872
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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:5036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4512 -
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:5084 -
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:1936
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4688
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
MD5d238d6f459a706a30f991c8e9e10946f
SHA1a0cfad780411780b605e74baff21cf1652c9b76f
SHA2568b687011b764bcbaacfbc89c2b21dceded0129e1c0b30b30e7fc7b3540fc32a8
SHA512f54edaf42128bb053e24f564750b0240286231198e7d5cdedfa71ba76abf6507c3158ade3983e83823b2b75a1922b77425b87b41bdf017a40bb7573924a421cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD583bd48cd60f599efa0d83a45f269c03d
SHA1e6a8a59e21aa7ae5e5e3c98bea26b449a9f89daa
SHA25688b2c972251fad1437b6003b08202311e86e80805b7412c2840892ac989e2fce
SHA512ae7ad30813879e66561e16236fbd9636c63fda484381d291833a60748d7306ade278a5cf29428e5a9d05f733312ffdc4d19588df6a9749a1797d8e8144746c2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3bca698126e0ac4838466c78c8ec6b7
SHA1d713fbc8d0a010d59a819b1b5e8ff81c4dcd0d7d
SHA2568d2a6084ec020e0698d4e5d2031525c90bc4180a0c13dbfc644bd2225574a67b
SHA5124323459025f19414889039f062377d6e0239c0eb31265007c37ec3fb7a1866d924e77f06a1003c0047abb731f4a37ebc6edf3c5e80317a818680bdd69de3bf76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fcdac6ec56f8173b8a220d81c1d381af
SHA1d204aaf78cb6893b0747d1ea26c1be74a017fa3d
SHA256d7e7e86d74126a156c1dc21356ec4204c5d224f081f905be613289b5ee8abc5b
SHA512598fedd3536d05b64abf233c00a105746dd63997d073e30be26d47907a02ddcadf1297bea7a244e56783d5eb3672f38d82a729b0d7c45258c499c997e51fc548
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ad068495bab2b54b8397a77c448415d
SHA1bbee6b9286da99d14e43497f76bd4c518384e59d
SHA25680156218299460a1c43f3575b78e9c5211d33e35ae6618f8dbfed872d7d9097e
SHA5121285d54083aaf7c3f803c8da563d2fc578009aa759b02a856f5e1ea34d91e4bf3f6ac58a6a490a63e965b577229d907da85bc9038007a498a7c5355e97aa2fd3
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Filesize
4.2MB
MD52deb4e487a2592ab33208e6b7833948e
SHA1ff1cadf2053c0f00ce7f01ca15bd48577739d0d1
SHA256c58d146cd67b72113ff51f27479da1081cbc522804fbf5b9230c77234fb94510
SHA512efb3b7195d6c9aec08e9f49806e8792d1d60d0ebd40bb24b88ffafd2f1829e650c2230a2786a5dc6bd829cc8a112662abd6ac38025d1e68cd57d2e1bbce6e3b0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec