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Analysis
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max time kernel
163s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/04/2024, 04:14
Static task
static1
Behavioral task
behavioral1
Sample
e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe
Resource
win10v2004-20240226-en
General
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Target
e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe
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Size
4.2MB
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MD5
4b2e47b818ddb6ac50ca9577b91c482e
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SHA1
63484153d94c41a3ec1771c13999529dacb8141f
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SHA256
e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1
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SHA512
fad4da4d62a1660777d34ed95071d9c67ae522bc3fd37dda59008019888df955e6037192fbce2c3a10e2bc2f3acc6afcd0a78eb00afb8518760ce8cb557b334a
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SSDEEP
98304:g5lPBaWBrbylaZCxbWq17tgxAPYITosQNEMg2S6aC8AEC:OjBrYYebWqlbosQ6t6aC1L
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4476-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/4476-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4476-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4476-29-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/4476-30-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4476-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/648-63-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral1/memory/648-64-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/648-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/648-99-0x0000000002A20000-0x0000000002E1B000-memory.dmp family_glupteba behavioral1/memory/648-103-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/648-161-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/648-167-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4416-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4416-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4416-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4416-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4416-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4416 csrss.exe 4752 injector.exe 4512 windefender.exe 1928 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000000739-273.dat upx behavioral1/memory/4512-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1928-284-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\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 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.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 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe File created C:\Windows\rss\csrss.exe e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.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 2356 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3492 schtasks.exe 4472 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3360 powershell.exe 3360 powershell.exe 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 4044 powershell.exe 4044 powershell.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 3424 powershell.exe 3424 powershell.exe 896 powershell.exe 896 powershell.exe 1608 powershell.exe 1608 powershell.exe 3032 powershell.exe 3032 powershell.exe 652 powershell.exe 652 powershell.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4416 csrss.exe 4416 csrss.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4416 csrss.exe 4416 csrss.exe 4752 injector.exe 4752 injector.exe 4416 csrss.exe 4416 csrss.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe 4752 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3360 powershell.exe Token: SeDebugPrivilege 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Token: SeImpersonatePrivilege 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 896 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeSystemEnvironmentPrivilege 4416 csrss.exe Token: SeSecurityPrivilege 2356 sc.exe Token: SeSecurityPrivilege 2356 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4476 wrote to memory of 3360 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 89 PID 4476 wrote to memory of 3360 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 89 PID 4476 wrote to memory of 3360 4476 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 89 PID 648 wrote to memory of 4044 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 96 PID 648 wrote to memory of 4044 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 96 PID 648 wrote to memory of 4044 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 96 PID 648 wrote to memory of 8 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 98 PID 648 wrote to memory of 8 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 98 PID 8 wrote to memory of 1916 8 cmd.exe 100 PID 8 wrote to memory of 1916 8 cmd.exe 100 PID 648 wrote to memory of 3424 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 101 PID 648 wrote to memory of 3424 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 101 PID 648 wrote to memory of 3424 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 101 PID 648 wrote to memory of 896 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 103 PID 648 wrote to memory of 896 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 103 PID 648 wrote to memory of 896 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 103 PID 648 wrote to memory of 4416 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 105 PID 648 wrote to memory of 4416 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 105 PID 648 wrote to memory of 4416 648 e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe 105 PID 4416 wrote to memory of 1608 4416 csrss.exe 106 PID 4416 wrote to memory of 1608 4416 csrss.exe 106 PID 4416 wrote to memory of 1608 4416 csrss.exe 106 PID 4416 wrote to memory of 3032 4416 csrss.exe 111 PID 4416 wrote to memory of 3032 4416 csrss.exe 111 PID 4416 wrote to memory of 3032 4416 csrss.exe 111 PID 4416 wrote to memory of 652 4416 csrss.exe 114 PID 4416 wrote to memory of 652 4416 csrss.exe 114 PID 4416 wrote to memory of 652 4416 csrss.exe 114 PID 4416 wrote to memory of 4752 4416 csrss.exe 116 PID 4416 wrote to memory of 4752 4416 csrss.exe 116 PID 4512 wrote to memory of 1636 4512 windefender.exe 122 PID 4512 wrote to memory of 1636 4512 windefender.exe 122 PID 4512 wrote to memory of 1636 4512 windefender.exe 122 PID 1636 wrote to memory of 2356 1636 cmd.exe 123 PID 1636 wrote to memory of 2356 1636 cmd.exe 123 PID 1636 wrote to memory of 2356 1636 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\e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe"C:\Users\Admin\AppData\Local\Temp\e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3360
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C:\Users\Admin\AppData\Local\Temp\e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.exe"C:\Users\Admin\AppData\Local\Temp\e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1.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:648 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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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:8 -
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:1916
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3424
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:896
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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:4416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608
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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:3492
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1120
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652
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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:4752
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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:4472
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
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:2356
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:1928
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e78b87dbea0748232964051f00c03912
SHA15e98883aeba037c409232b203eef03880d335673
SHA256f960cd1212c73bf7bb196f9c52333c22194fa72641fc52b9b081f5cb7b490543
SHA512bf43fc157a3fd4aa238d3fb76a48a0e96760564a3d146fd3ae00b4bd0eaa3e2f2b9713374bf5a95817c904c5129eaedfd1f6a4ac3901e6d6683a19b9c13435d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57cf296a6fb1da676650f94cc68d4ce3e
SHA12bf294e4551ea6511a76cebcc90ef46f59e7f0b7
SHA256aa77a9c0a520c84928d3cc24ae9ed148c703bce6b2a7c2163e10110bdda7f396
SHA5128b2e904e8d093eba02a4cd23aa048945fd0c1878a1d6429cd54763e90e31038ea7b06c894fc3680b09ea4262e5344ff2aa377cbccc98917e7e988e65be47e178
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c645dfe16edd070750d8936e067eddd
SHA163eab28a42aab65c2e861f32c1b036d1fbc2c93a
SHA256b3a150efa514eba67fde929fa36bcdb2774c6601ba72d253260e7550fc10b9fa
SHA512625929acc202cf9022657197e2b3a3318a17083e079c93b6e7d8e11e9f306c714f6f96a60335329fa547eae5e76ef60f1a6fbaa4be4ed248b2a70d254b8a63ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a09142c7ca26eb3e30e36ca443c09c5
SHA1b5510bcec97553528949355a6470077848a06ab8
SHA256adb80f5ccf08ff47fc76eddd35e833f6a8586c87d73282f90281c4931ac57870
SHA512a0345cd0190d287779ddb66067319d26c8080551ae6e2199f56fbc27c834009cc41ccfc7430699417e9226e1582698d36343fc7e3d810e5b5e70abe8720a78bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f530526535ac91f3cc78c52d15e270a9
SHA1b402399c01d6e8970ffe6eeedd44b33022559532
SHA2565c5ae0f2042ff5c973fd5aa6b33f2d7e87bd90bebb5e48f657897767af2c4394
SHA51281ba2fa3d8f5bfba6b6b5960494a32851190cc0e238209341a492c477916fa31e2fd6265c4799aa11bb230aa7c9e2f162db4b67ca0119865585cc5a3d8e93e3b
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Filesize
4.2MB
MD54b2e47b818ddb6ac50ca9577b91c482e
SHA163484153d94c41a3ec1771c13999529dacb8141f
SHA256e5f34333e8249ce8d71c5ebb2632cbbbe34f04bb6f10a8b25cd32db7fc05c6b1
SHA512fad4da4d62a1660777d34ed95071d9c67ae522bc3fd37dda59008019888df955e6037192fbce2c3a10e2bc2f3acc6afcd0a78eb00afb8518760ce8cb557b334a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec