Analysis
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max time kernel
149s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 04:13
Static task
static1
Behavioral task
behavioral1
Sample
afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe
Resource
win10v2004-20240508-en
General
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Target
afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe
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Size
4.1MB
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MD5
15062d6e9fa178423212d7e3d92a43a0
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SHA1
8ef7342f4445bd48a8144ffd582e97027232b1e6
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SHA256
afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5
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SHA512
033d03737225e40437945c08287a88742019591b885680ac715489b1b3a8e8d26d32af936289c50fc514e2b28aca6c67cee8efa488538c483fcacd3ffcbebf5c
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SSDEEP
98304:xGrnwiB2dYFBQLVw0Jv37FWi1chPr/xRmmjECQgDNh:xG7LuY/yhvJWf/qmwCQmh
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2684-2-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/2684-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2684-23-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2684-52-0x0000000005020000-0x000000000590B000-memory.dmp family_glupteba behavioral2/memory/2684-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5060-53-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2684-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5060-126-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-201-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-217-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-220-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-226-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-229-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-232-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3624-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3624 csrss.exe 1488 injector.exe 2728 windefender.exe 5016 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab5b-205.dat upx behavioral2/memory/2728-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5016-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2728-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5016-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5016-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.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 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe File created C:\Windows\rss\csrss.exe afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.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 4604 sc.exe -
pid Process 4748 powershell.exe 676 powershell.exe 4516 powershell.exe 996 powershell.exe 1412 powershell.exe 2024 powershell.exe 3440 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 1628 schtasks.exe 1888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.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,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.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,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 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" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4748 powershell.exe 4748 powershell.exe 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 676 powershell.exe 676 powershell.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 4516 powershell.exe 4516 powershell.exe 996 powershell.exe 996 powershell.exe 1412 powershell.exe 1412 powershell.exe 2024 powershell.exe 2024 powershell.exe 3440 powershell.exe 3440 powershell.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 3624 csrss.exe 3624 csrss.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 3624 csrss.exe 3624 csrss.exe 1488 injector.exe 1488 injector.exe 3624 csrss.exe 3624 csrss.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe 1488 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4748 powershell.exe Token: SeDebugPrivilege 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Token: SeImpersonatePrivilege 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe Token: SeDebugPrivilege 676 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 996 powershell.exe Token: SeDebugPrivilege 1412 powershell.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 3440 powershell.exe Token: SeSystemEnvironmentPrivilege 3624 csrss.exe Token: SeSecurityPrivilege 4604 sc.exe Token: SeSecurityPrivilege 4604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2684 wrote to memory of 4748 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 82 PID 2684 wrote to memory of 4748 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 82 PID 2684 wrote to memory of 4748 2684 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 82 PID 5060 wrote to memory of 676 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 87 PID 5060 wrote to memory of 676 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 87 PID 5060 wrote to memory of 676 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 87 PID 5060 wrote to memory of 1888 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 89 PID 5060 wrote to memory of 1888 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 89 PID 1888 wrote to memory of 916 1888 cmd.exe 91 PID 1888 wrote to memory of 916 1888 cmd.exe 91 PID 5060 wrote to memory of 4516 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 92 PID 5060 wrote to memory of 4516 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 92 PID 5060 wrote to memory of 4516 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 92 PID 5060 wrote to memory of 996 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 94 PID 5060 wrote to memory of 996 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 94 PID 5060 wrote to memory of 996 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 94 PID 5060 wrote to memory of 3624 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 96 PID 5060 wrote to memory of 3624 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 96 PID 5060 wrote to memory of 3624 5060 afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe 96 PID 3624 wrote to memory of 1412 3624 csrss.exe 97 PID 3624 wrote to memory of 1412 3624 csrss.exe 97 PID 3624 wrote to memory of 1412 3624 csrss.exe 97 PID 3624 wrote to memory of 2024 3624 csrss.exe 102 PID 3624 wrote to memory of 2024 3624 csrss.exe 102 PID 3624 wrote to memory of 2024 3624 csrss.exe 102 PID 3624 wrote to memory of 3440 3624 csrss.exe 105 PID 3624 wrote to memory of 3440 3624 csrss.exe 105 PID 3624 wrote to memory of 3440 3624 csrss.exe 105 PID 3624 wrote to memory of 1488 3624 csrss.exe 107 PID 3624 wrote to memory of 1488 3624 csrss.exe 107 PID 2728 wrote to memory of 2112 2728 windefender.exe 113 PID 2728 wrote to memory of 2112 2728 windefender.exe 113 PID 2728 wrote to memory of 2112 2728 windefender.exe 113 PID 2112 wrote to memory of 4604 2112 cmd.exe 114 PID 2112 wrote to memory of 4604 2112 cmd.exe 114 PID 2112 wrote to memory of 4604 2112 cmd.exe 114 -
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\afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe"C:\Users\Admin\AppData\Local\Temp\afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4748
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C:\Users\Admin\AppData\Local\Temp\afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.exe"C:\Users\Admin\AppData\Local\Temp\afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5.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:5060 -
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:676
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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:1888 -
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:916
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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:4516
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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:996
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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:3624 -
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:1412
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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:1628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1080
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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:2024
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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:3440
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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:1488
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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:1888
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2728 -
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:2112 -
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:4604
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5016
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
MD573ec1b573418de903b17e50c07a21ef9
SHA10e4d5388a76f4ce9136471f0e9db5c18c415d67d
SHA256e5979259e3ad3c5faeec9cb5ec6e1706d8f006bc6c43ad0dadbbf25ac518d594
SHA51244f0846bfb9cafb7d0cf9ebde5e15f0cd29b25e4b96e9fd22d4c0f6d3864f1b942bb0d37c59517da7e5b27ef37b6d5c683c32c36d99b7ddcce3c08e2f4c9ad20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD503fc23aeba639f4162bc57a9d320b5b2
SHA178958d002c5c58e59066af9e1178c20c89a4a622
SHA2567d2f426c38b15bdcba8f240cb45d58de64a7097c1e5562c45f915f346daf89b1
SHA512869c590981f718a7085f3f23bd6015a5990067b333f6547844d6669a46def2c842686ee25be76be27b24acbe2975585a05ba4f72d0ad0874f20eb53c7049aa8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b9edcb17a37f752f52828e677083ea5
SHA1ee7ddf618a78588e7c00c0433e88a62b7c68d4f5
SHA2563a7d380d04315275388823207d0d11c5d65bc0888e8974f1bec0dffe976c3499
SHA5123de2fce8f18d10ae082155d2043fe6f02bbb5b3794b1a554d6c51c7f3d1ce6cfb57d6f287fed8f7e1f1c032eb6823f3ffb341599309320f86ecdd1e5efbaca90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520480f2ccbaf410b823ede071ad8bd22
SHA1bdcc42cf966a3994339cf165b1f61c8af370a7d7
SHA256a125af41e1194ad8095ae53af1b316b794a53a0bc58f8cd734230350f75e9b73
SHA5128f157325f32b50ba2dc15074c79d7b81caa53187f3c32c0b4b9d3d4a656a55e7ab76ac5b546789d5846e80da1e2495925f1335e93b99c6d082dd272e37dfef1a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4f8d12fe11d1c5a46c7209e51b0be60
SHA19b80008a0d1b41d8f174780eaa7ad48306f0f91c
SHA256c85c45c90cfa36463d608eae7116b43e22196eb248e530e9e91479f7654c1506
SHA51231c45a5d3c172b52f7c1ce35f5624ba2ce3ad9c582948c2c84aea423be3bb29d382abd0f237eaa2dd296402560717ed7e0c0c4c9aaf88c3125980800f7bb6cd0
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Filesize
4.1MB
MD515062d6e9fa178423212d7e3d92a43a0
SHA18ef7342f4445bd48a8144ffd582e97027232b1e6
SHA256afed893b57161d2837b915bbe168a83ccd1f7646bba8f76d8c46a87278fb76f5
SHA512033d03737225e40437945c08287a88742019591b885680ac715489b1b3a8e8d26d32af936289c50fc514e2b28aca6c67cee8efa488538c483fcacd3ffcbebf5c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec