Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe
Resource
win10v2004-20240508-en
General
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Target
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe
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Size
4.1MB
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MD5
0ee44e1c062faea648f5228d94713879
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SHA1
a2780d4da31cf07e2d8848be096eb25776c5123c
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SHA256
37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad
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SHA512
02990a2210040628af93e7d24fcb8c53e2f742b6e29d9c96fab0a01662c9c35094e90305a985a204c13f521d4f1b0566315acd3c9ff6541b7189fa9ecbaa9c93
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SSDEEP
98304:yeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGw:ygHncLBP5HkIsFwf3u4kByfxbhOD
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4672-2-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/4672-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-75-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/4672-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3876-124-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-193-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5088-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2664 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5088 csrss.exe 1084 injector.exe 1568 windefender.exe 1556 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa2e-202.dat upx behavioral2/memory/1568-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1568-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe File created C:\Windows\rss\csrss.exe 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.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 2800 sc.exe -
pid Process 3368 powershell.exe 4688 powershell.exe 2020 powershell.exe 4212 powershell.exe 2880 powershell.exe 4552 powershell.exe 1644 powershell.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 3216 schtasks.exe 4540 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight 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,-911 = "Mauritius Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4212 powershell.exe 4212 powershell.exe 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 2880 powershell.exe 2880 powershell.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 4552 powershell.exe 4552 powershell.exe 1644 powershell.exe 1644 powershell.exe 3368 powershell.exe 3368 powershell.exe 4688 powershell.exe 4688 powershell.exe 2020 powershell.exe 2020 powershell.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 5088 csrss.exe 5088 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 5088 csrss.exe 5088 csrss.exe 1084 injector.exe 1084 injector.exe 5088 csrss.exe 5088 csrss.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe 1084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4212 powershell.exe Token: SeDebugPrivilege 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Token: SeImpersonatePrivilege 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeSystemEnvironmentPrivilege 5088 csrss.exe Token: SeSecurityPrivilege 2800 sc.exe Token: SeSecurityPrivilege 2800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4672 wrote to memory of 4212 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 79 PID 4672 wrote to memory of 4212 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 79 PID 4672 wrote to memory of 4212 4672 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 79 PID 3876 wrote to memory of 2880 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 84 PID 3876 wrote to memory of 2880 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 84 PID 3876 wrote to memory of 2880 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 84 PID 3876 wrote to memory of 2228 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 86 PID 3876 wrote to memory of 2228 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 86 PID 2228 wrote to memory of 2664 2228 cmd.exe 88 PID 2228 wrote to memory of 2664 2228 cmd.exe 88 PID 3876 wrote to memory of 4552 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 89 PID 3876 wrote to memory of 4552 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 89 PID 3876 wrote to memory of 4552 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 89 PID 3876 wrote to memory of 1644 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 91 PID 3876 wrote to memory of 1644 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 91 PID 3876 wrote to memory of 1644 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 91 PID 3876 wrote to memory of 5088 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 93 PID 3876 wrote to memory of 5088 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 93 PID 3876 wrote to memory of 5088 3876 37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe 93 PID 5088 wrote to memory of 3368 5088 csrss.exe 94 PID 5088 wrote to memory of 3368 5088 csrss.exe 94 PID 5088 wrote to memory of 3368 5088 csrss.exe 94 PID 5088 wrote to memory of 4688 5088 csrss.exe 100 PID 5088 wrote to memory of 4688 5088 csrss.exe 100 PID 5088 wrote to memory of 4688 5088 csrss.exe 100 PID 5088 wrote to memory of 2020 5088 csrss.exe 102 PID 5088 wrote to memory of 2020 5088 csrss.exe 102 PID 5088 wrote to memory of 2020 5088 csrss.exe 102 PID 5088 wrote to memory of 1084 5088 csrss.exe 104 PID 5088 wrote to memory of 1084 5088 csrss.exe 104 PID 1568 wrote to memory of 1752 1568 windefender.exe 110 PID 1568 wrote to memory of 1752 1568 windefender.exe 110 PID 1568 wrote to memory of 1752 1568 windefender.exe 110 PID 1752 wrote to memory of 2800 1752 cmd.exe 111 PID 1752 wrote to memory of 2800 1752 cmd.exe 111 PID 1752 wrote to memory of 2800 1752 cmd.exe 111 -
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\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212
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C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.exe"C:\Users\Admin\AppData\Local\Temp\37a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad.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:3876 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2880
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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:2228 -
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:2664
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644
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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:5088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368
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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:3216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020
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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:1084
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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:4540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1568 -
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:1752 -
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:2800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1556
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0c21d16d2ec11f431305a7dfcd4904e
SHA1335ecfe32e2ac4382b202e97161d2f064addf762
SHA2564195afdd51d7132a45ea8ee94fa7fa2d23b2f1275bbaadeafdbf30321b46e0a7
SHA512c01d11d392572afde49027101a70631bfef46ee6d9137c4b18a4ccceb7b6f5ef9c5f5350698acd634f2a373b9de171167a9a972df8f58292513980f3b4852e47
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5874abf9a672270f0fba11e27d74ea24a
SHA161100067e34b4a84d4754e4ee2989e2cacba3e3c
SHA256b8a3f3c4bc59f0f66d717d95a95721a566ddaf5135a96d3be1c63d701d0539b5
SHA5124323efb8c46d1040c79a249e6af08e6bfe1f6720ab9ddec5c23601f0014e4301a211c486dbb991f00805f6707a09132e8d425375610a5a9d4ea35663786e6105
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b84d23e789fae1c48e63ba72fef490c
SHA163f676ff65e9554173674a00584955227e654a38
SHA2561de26ca98038425d05de6807edb61e22a30f3c1d2b03931e12d56bca35fe2a4b
SHA512bbfd3ff5c37534a4c71d6f565724506925acb4a71a10c56e61b965b5bb2e87b328ba3fe80a34586a38f0fff2b575a796dc815852046d88ff78b78dafea05dcff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506fce5f3cc8a5e765d27e835a342843e
SHA1053f0d14066a14f03f3ccf53335c0b77861c7d79
SHA256186d315231fa9b5b29f6ec4201a96b14a30f4d755b3cdca3baab2e6bade423b2
SHA51222ffed976069fbf762304ce70faa0e9d7ca774d79c12c52ee62fb4b64590e96d8f892e5051e1f98598aa21e212eed0a8514604d76db79e627a010ca08ac8a571
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b23f71ead3dad1ff7890c932da777605
SHA1057b82cac5f91fac685deb595f7495f6bf5e88dc
SHA25698cf4b61031c4a785f8c46bc05273b65dfafaf7fddb46f3a21652147872f9ce0
SHA5121ef9664251c6a1c7036c05928768f2b63d6bcaf69591a8ba5aa81ef15c8e3837765e83e6ea437dae0187e456a19411fe0ff7c43fcfd1a931f89e71e04d3d54b9
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Filesize
4.1MB
MD50ee44e1c062faea648f5228d94713879
SHA1a2780d4da31cf07e2d8848be096eb25776c5123c
SHA25637a653a1e5e8c56264a69ccf6f8882404d9391ec0eefa77d2c2441cd9957aaad
SHA51202990a2210040628af93e7d24fcb8c53e2f742b6e29d9c96fab0a01662c9c35094e90305a985a204c13f521d4f1b0566315acd3c9ff6541b7189fa9ecbaa9c93
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec