Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:27
Static task
static1
Behavioral task
behavioral1
Sample
ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe
Resource
win10v2004-20240508-en
General
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Target
ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe
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Size
4.1MB
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MD5
5eef81f47c74ffdb0a8fd756d795ed7a
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SHA1
772e51b1be9797e06229f890d27ebdd2c9e63492
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SHA256
ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9
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SHA512
9ddbf0072eebe2dd0bbd77d05345a8c37654080500111f8e8d904c516094507deab81e256d51f1da1d3accbcf54ff6b18c2625ff3ee3ed8a951cd853f60ca02a
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SSDEEP
98304:U4ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpN3Z:U4G/GRAB9MdaGBolx/WzuT
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2008-2-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2008-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2008-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2008-54-0x0000000004C40000-0x000000000552B000-memory.dmp family_glupteba behavioral2/memory/2008-64-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2008-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2408-92-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2408-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-142-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-205-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4632-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3208 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4632 csrss.exe 4188 injector.exe 5048 windefender.exe 3628 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e0-208.dat upx behavioral2/memory/5048-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5048-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3628-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3628-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe File created C:\Windows\rss\csrss.exe ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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 4108 sc.exe -
pid Process 1916 powershell.exe 5104 powershell.exe 2072 powershell.exe 780 powershell.exe 3968 powershell.exe 1320 powershell.exe 2864 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 5016 schtasks.exe 1220 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "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\TrustedPeople 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,-2061 = "North Korea Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk 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" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-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,-12 = "Azores Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1320 powershell.exe 1320 powershell.exe 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2864 powershell.exe 2864 powershell.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 1916 powershell.exe 1916 powershell.exe 5104 powershell.exe 5104 powershell.exe 2072 powershell.exe 2072 powershell.exe 780 powershell.exe 780 powershell.exe 3968 powershell.exe 3968 powershell.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4632 csrss.exe 4632 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4632 csrss.exe 4632 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4632 csrss.exe 4632 csrss.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe 4188 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1320 powershell.exe Token: SeDebugPrivilege 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Token: SeImpersonatePrivilege 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 1916 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2072 powershell.exe Token: SeDebugPrivilege 780 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeSystemEnvironmentPrivilege 4632 csrss.exe Token: SeSecurityPrivilege 4108 sc.exe Token: SeSecurityPrivilege 4108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2008 wrote to memory of 1320 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 79 PID 2008 wrote to memory of 1320 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 79 PID 2008 wrote to memory of 1320 2008 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 79 PID 2408 wrote to memory of 2864 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 84 PID 2408 wrote to memory of 2864 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 84 PID 2408 wrote to memory of 2864 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 84 PID 2408 wrote to memory of 4108 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 86 PID 2408 wrote to memory of 4108 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 86 PID 4108 wrote to memory of 3208 4108 cmd.exe 88 PID 4108 wrote to memory of 3208 4108 cmd.exe 88 PID 2408 wrote to memory of 1916 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 2408 wrote to memory of 1916 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 2408 wrote to memory of 1916 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 2408 wrote to memory of 5104 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 91 PID 2408 wrote to memory of 5104 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 91 PID 2408 wrote to memory of 5104 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 91 PID 2408 wrote to memory of 4632 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 93 PID 2408 wrote to memory of 4632 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 93 PID 2408 wrote to memory of 4632 2408 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 93 PID 4632 wrote to memory of 2072 4632 csrss.exe 94 PID 4632 wrote to memory of 2072 4632 csrss.exe 94 PID 4632 wrote to memory of 2072 4632 csrss.exe 94 PID 4632 wrote to memory of 780 4632 csrss.exe 100 PID 4632 wrote to memory of 780 4632 csrss.exe 100 PID 4632 wrote to memory of 780 4632 csrss.exe 100 PID 4632 wrote to memory of 3968 4632 csrss.exe 102 PID 4632 wrote to memory of 3968 4632 csrss.exe 102 PID 4632 wrote to memory of 3968 4632 csrss.exe 102 PID 4632 wrote to memory of 4188 4632 csrss.exe 104 PID 4632 wrote to memory of 4188 4632 csrss.exe 104 PID 5048 wrote to memory of 5108 5048 windefender.exe 110 PID 5048 wrote to memory of 5108 5048 windefender.exe 110 PID 5048 wrote to memory of 5108 5048 windefender.exe 110 PID 5108 wrote to memory of 4108 5108 cmd.exe 111 PID 5108 wrote to memory of 4108 5108 cmd.exe 111 PID 5108 wrote to memory of 4108 5108 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\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe"C:\Users\Admin\AppData\Local\Temp\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
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C:\Users\Admin\AppData\Local\Temp\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe"C:\Users\Admin\AppData\Local\Temp\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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:2408 -
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:2864
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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:4108 -
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:3208
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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:1916
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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:5104
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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:4632 -
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:2072
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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:5016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1036
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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:780
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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:3968
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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:4188
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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:1220
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5048 -
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:5108 -
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:4108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3628
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
MD55650e46f14d6d17f4d60b03ab3c2a928
SHA134ef9e88a431e998bb4e01300dbdc72862517064
SHA256f9fdd1a45caac0148b8c921c8d55a3878b512ec6fc72e523211b544b34cd3ec5
SHA51230949b51ea21e7d7a181bdd31d66f21caddbc8bd6d2a63a06e86d909fc8b33d4e2fa7113f374dab5693e5d62c8c751e1a325e82b70fa107f425e572f30b5a5ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bf85d92c7d127ded83a2a19cb5998cb
SHA11b0be22411b91a004a5c59d7edd3c6fc513cc758
SHA2563cb10b93956eba77633e7922a4016596b8e2fc108c0ee69b1ce3566cdc6ae6e6
SHA5128e6eb28bc1ff10d88114322471eb60b1ed4bc199917d4dc50933706a2bd1ece8991b8d754155d5b677a06b1a45c45f590496d92e9f21194cd7e2e19bf85b54c1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508f2db749d66b53bbd0466c4258f336c
SHA1cda201cb0c95da64d147ca2f1e964d67b582b459
SHA256bdc190c38676be9d07492752e0319638cca1bd613e2d03d849e201a736922e75
SHA512819dd23aa9f32b32fa48147abafcbc0bb1c3dc191291c47abf9c2fc2845dec1dced72c1130b6196f38d284fb8550e54a149e125243143b1711b08d997652612b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf299fc170c8a1a30315f62e9c5c5364
SHA1fd524b5a448fda222d900306ab05b02214261388
SHA25635be0d11eb9b22fe749003e803891cbca904800c60ae438c44c26ab2ccfdbc20
SHA51207c2575a9e15199070d73fea24ae194eec344c51a8d52bed30c010de4893fedc521c23d0b5ddf5215e7a3b3b7c7425f6e5b41756ba22a9dad80f8b91c030711f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e54f0ca87adbcf33cade742fd3174691
SHA198723e63f1224a017e4071d00f8663de7830be1a
SHA2566a2b1b22619bb55146bc04cf2927b3d9fac47ce3e81236baad34c927c9b9e59b
SHA512f794fc94d27be3547365de5733087a005eb907fec17c75d8d6dbb366b37bd0fa09c85209a8fd012101b801f97ad0d1b972a98a1cbfa43acef74aa25eab49ea4d
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Filesize
4.1MB
MD55eef81f47c74ffdb0a8fd756d795ed7a
SHA1772e51b1be9797e06229f890d27ebdd2c9e63492
SHA256ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9
SHA5129ddbf0072eebe2dd0bbd77d05345a8c37654080500111f8e8d904c516094507deab81e256d51f1da1d3accbcf54ff6b18c2625ff3ee3ed8a951cd853f60ca02a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec