Analysis
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max time kernel
150s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 behavioral1/memory/1488-2-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/1488-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1488-9-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1488-58-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/1488-57-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1488-68-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3456-83-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3456-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-149-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-259-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2484-263-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4560 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2484 csrss.exe 4820 injector.exe 4052 windefender.exe 516 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023416-225.dat upx behavioral1/memory/4052-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/516-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4052-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/516-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/516-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/516-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3152 sc.exe -
pid Process 4744 powershell.exe 1104 powershell.exe 2268 powershell.exe 1020 powershell.exe 1448 powershell.exe 4536 powershell.exe 940 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 1008 schtasks.exe 4296 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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.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,-682 = "E. Australia 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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan 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" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.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\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1020 powershell.exe 1020 powershell.exe 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 1448 powershell.exe 1448 powershell.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 4536 powershell.exe 4536 powershell.exe 940 powershell.exe 940 powershell.exe 4744 powershell.exe 4744 powershell.exe 1104 powershell.exe 1104 powershell.exe 2268 powershell.exe 2268 powershell.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 2484 csrss.exe 2484 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 2484 csrss.exe 2484 csrss.exe 4820 injector.exe 4820 injector.exe 2484 csrss.exe 2484 csrss.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe 4820 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1020 powershell.exe Token: SeDebugPrivilege 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Token: SeImpersonatePrivilege 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe Token: SeDebugPrivilege 1448 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 940 powershell.exe Token: SeDebugPrivilege 4744 powershell.exe Token: SeDebugPrivilege 1104 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeSystemEnvironmentPrivilege 2484 csrss.exe Token: SeSecurityPrivilege 3152 sc.exe Token: SeSecurityPrivilege 3152 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1488 wrote to memory of 1020 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 1488 wrote to memory of 1020 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 1488 wrote to memory of 1020 1488 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 89 PID 3456 wrote to memory of 1448 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 94 PID 3456 wrote to memory of 1448 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 94 PID 3456 wrote to memory of 1448 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 94 PID 3456 wrote to memory of 4188 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 96 PID 3456 wrote to memory of 4188 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 96 PID 4188 wrote to memory of 4560 4188 cmd.exe 98 PID 4188 wrote to memory of 4560 4188 cmd.exe 98 PID 3456 wrote to memory of 4536 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 100 PID 3456 wrote to memory of 4536 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 100 PID 3456 wrote to memory of 4536 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 100 PID 3456 wrote to memory of 940 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 102 PID 3456 wrote to memory of 940 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 102 PID 3456 wrote to memory of 940 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 102 PID 3456 wrote to memory of 2484 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 105 PID 3456 wrote to memory of 2484 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 105 PID 3456 wrote to memory of 2484 3456 ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe 105 PID 2484 wrote to memory of 4744 2484 csrss.exe 106 PID 2484 wrote to memory of 4744 2484 csrss.exe 106 PID 2484 wrote to memory of 4744 2484 csrss.exe 106 PID 2484 wrote to memory of 1104 2484 csrss.exe 112 PID 2484 wrote to memory of 1104 2484 csrss.exe 112 PID 2484 wrote to memory of 1104 2484 csrss.exe 112 PID 2484 wrote to memory of 2268 2484 csrss.exe 114 PID 2484 wrote to memory of 2268 2484 csrss.exe 114 PID 2484 wrote to memory of 2268 2484 csrss.exe 114 PID 2484 wrote to memory of 4820 2484 csrss.exe 116 PID 2484 wrote to memory of 4820 2484 csrss.exe 116 PID 4052 wrote to memory of 2672 4052 windefender.exe 122 PID 4052 wrote to memory of 2672 4052 windefender.exe 122 PID 4052 wrote to memory of 2672 4052 windefender.exe 122 PID 2672 wrote to memory of 3152 2672 cmd.exe 123 PID 2672 wrote to memory of 3152 2672 cmd.exe 123 PID 2672 wrote to memory of 3152 2672 cmd.exe 123 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe"C:\Users\Admin\AppData\Local\Temp\ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020
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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:3456 -
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:1448
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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:4188 -
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:4560
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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:4536
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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:940
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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:2484 -
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:4744
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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:1008
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3220
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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:1104
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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:2268
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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:4820
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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:4296
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4052 -
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:2672 -
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:3152
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:516
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a21bcc1e589c68938f628b964206d745
SHA15db65241f1a5e39873cbdfdabf0ed62d0ff39e98
SHA256c24f7a772f86340a3b56f7229b5336593fcc7bbb67d55216d43a24702038d56d
SHA512281d918195174b7e10be30f12c68db77533045a966ad9645044fdd0f7207dffe2daf3881fa5840de037f236949c4bcb9210002a5891026900503b3b8d596e475
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba50e169c6e350602d64545e83ea42c3
SHA1cef1fceaf454105590e25049a948764a0e445b7c
SHA256cd542c99c32344202899f6528f091ff4ee5e6d838854cd7ce72ce0ba03461a68
SHA51290f5c2e116b80ab862596fbf965cc61d0baa6f10cc2a1f0901a59894c819af4a31e969822959cf3273b8941ad2ab8f54cd2cbe2a977a0fecf90c5f07e65aa3f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571fabcefe8050cabd131a8b9b85c2aad
SHA1c0bd4757234336d330c323d3e4a014eb6a60973e
SHA256be7414c7e79a3607c2cfe2b6276d73837e18b401b5838c59930e3011cdf34ddd
SHA5120b25252b9d4fd56cda4553e1ebea2fc673518a2bac9f9c6de968dbc330428f6e8f354dcc874af3a121bc45d96211fa834a45091f7f428e00b684a9b92f6867a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD598292310505b244c075ed9eb1dab7b2e
SHA1b68661a9cbeca383a750ebaec216d95575febfd7
SHA2562dab80cbc9aa796ffceae23b213e21cc7da05b3695f175ede94b56a9bb0ee9ed
SHA51263e5aae5c928f19db4b27fe35d0f73efca66e6120841a5432c8e6906f067e446975d14a59b91e0483abc163d352e5eb7805c227d0efa828d060d6944d8e1a631
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b6b7fb59faacab9f23a38bfd4a6a8b6
SHA1b1eec60c44e65a01cb36b3e1d0c72c3d5980c114
SHA2561cefdc75ad84b2313eb17d5e8115c98116a75efe2597030bed8e7404c4bf4058
SHA512545ec31c2c9ee84607998df611d5c3faa603a976ff571d8918e3c01e3eb64bbc7fbc8d39b8ff8e24e7b7dce4327e89c6b48323909f8dd031f532d9d55f89e7f4
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Filesize
4.1MB
MD55eef81f47c74ffdb0a8fd756d795ed7a
SHA1772e51b1be9797e06229f890d27ebdd2c9e63492
SHA256ec20914684db34316a2c4feaf29cdf411286a87bd7dff9f19e8a7be9e04b35c9
SHA5129ddbf0072eebe2dd0bbd77d05345a8c37654080500111f8e8d904c516094507deab81e256d51f1da1d3accbcf54ff6b18c2625ff3ee3ed8a951cd853f60ca02a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec