Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 12:44
Static task
static1
Behavioral task
behavioral1
Sample
e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe
Resource
win10v2004-20240426-en
General
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Target
e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe
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Size
4.1MB
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MD5
82f516461e7545486763518f7dbb6214
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SHA1
18d75fa4a95ea8cd9d2db5aa79588d86ed26f912
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SHA256
e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889
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SHA512
96b9a6781902f6b0ad3b357d92317938d77550448ce9afb0fc58e806a411c017f2c8173dd5ec795df74d668affde0d06f83bfee008381d5f9a73349ce6e5caed
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SSDEEP
98304:sl9GTbLtL99uWlQGfUFGGhNMfnjCzwWu2csDCx3z+ti:xT3oWlQMUAMlWxj+ti
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3244-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/3244-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3244-62-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3244-64-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/752-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/752-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1408-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2444 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1408 csrss.exe 1744 injector.exe 1104 windefender.exe 4624 windefender.exe -
resource yara_rule behavioral2/files/0x000800000002a9a6-205.dat upx behavioral2/memory/1104-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4624-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1104-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4624-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4624-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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\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 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 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe File created C:\Windows\rss\csrss.exe e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4248 sc.exe -
pid Process 2464 powershell.exe 3316 powershell.exe 792 powershell.exe 3264 powershell.exe 336 powershell.exe 1936 powershell.exe 3992 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 2592 schtasks.exe 2364 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.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\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 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" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan 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" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3264 powershell.exe 3264 powershell.exe 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 336 powershell.exe 336 powershell.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 1936 powershell.exe 1936 powershell.exe 3992 powershell.exe 3992 powershell.exe 2464 powershell.exe 2464 powershell.exe 3316 powershell.exe 3316 powershell.exe 792 powershell.exe 792 powershell.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1408 csrss.exe 1408 csrss.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1408 csrss.exe 1408 csrss.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1408 csrss.exe 1408 csrss.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe 1744 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3264 powershell.exe Token: SeDebugPrivilege 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Token: SeImpersonatePrivilege 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 2464 powershell.exe Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeSystemEnvironmentPrivilege 1408 csrss.exe Token: SeSecurityPrivilege 4248 sc.exe Token: SeSecurityPrivilege 4248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3244 wrote to memory of 3264 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 82 PID 3244 wrote to memory of 3264 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 82 PID 3244 wrote to memory of 3264 3244 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 82 PID 752 wrote to memory of 336 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 87 PID 752 wrote to memory of 336 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 87 PID 752 wrote to memory of 336 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 87 PID 752 wrote to memory of 1180 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 89 PID 752 wrote to memory of 1180 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 89 PID 1180 wrote to memory of 2444 1180 cmd.exe 91 PID 1180 wrote to memory of 2444 1180 cmd.exe 91 PID 752 wrote to memory of 1936 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 92 PID 752 wrote to memory of 1936 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 92 PID 752 wrote to memory of 1936 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 92 PID 752 wrote to memory of 3992 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 94 PID 752 wrote to memory of 3992 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 94 PID 752 wrote to memory of 3992 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 94 PID 752 wrote to memory of 1408 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 96 PID 752 wrote to memory of 1408 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 96 PID 752 wrote to memory of 1408 752 e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe 96 PID 1408 wrote to memory of 2464 1408 csrss.exe 97 PID 1408 wrote to memory of 2464 1408 csrss.exe 97 PID 1408 wrote to memory of 2464 1408 csrss.exe 97 PID 1408 wrote to memory of 3316 1408 csrss.exe 103 PID 1408 wrote to memory of 3316 1408 csrss.exe 103 PID 1408 wrote to memory of 3316 1408 csrss.exe 103 PID 1408 wrote to memory of 792 1408 csrss.exe 105 PID 1408 wrote to memory of 792 1408 csrss.exe 105 PID 1408 wrote to memory of 792 1408 csrss.exe 105 PID 1408 wrote to memory of 1744 1408 csrss.exe 109 PID 1408 wrote to memory of 1744 1408 csrss.exe 109 PID 1104 wrote to memory of 1928 1104 windefender.exe 118 PID 1104 wrote to memory of 1928 1104 windefender.exe 118 PID 1104 wrote to memory of 1928 1104 windefender.exe 118 PID 1928 wrote to memory of 4248 1928 cmd.exe 119 PID 1928 wrote to memory of 4248 1928 cmd.exe 119 PID 1928 wrote to memory of 4248 1928 cmd.exe 119 -
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\e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe"C:\Users\Admin\AppData\Local\Temp\e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3244 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3264
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C:\Users\Admin\AppData\Local\Temp\e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.exe"C:\Users\Admin\AppData\Local\Temp\e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889.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:752 -
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:336
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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:1180 -
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:2444
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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:1936
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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:3992
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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:1408 -
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:2464
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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:2592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5044
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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:3316
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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:792
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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:1744
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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:2364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1104 -
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:1928 -
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:4248
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4624
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
MD509d14279e80d9cf32e703a50ae94449b
SHA1bec5853ad11adcd93b4d6d9f9e0a676a6ac0f88b
SHA2565d8aacf076799bd85551b6b4c58c1e69ff8624c40cf8235582946f622c7c6ba0
SHA512a1c7ea2997e193ce25d3a833d79144bb0bb3ae331e0c2e5d0022de0e064b38ffe7ba6652e762baca63143f7fe8571c86142338c22eb030c4cd5a9dd560c843db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD546ea66cf02c0e3b2e39dfb1f04b36eb7
SHA18c2b229136c9677cec3681a5938b807a9bb85707
SHA25642be8ef0b8e3c72983a69606f65c4b9fbb9a22c2bed8608394c50234db16d180
SHA512cc746ccd0c289324b83cfb57efec4bbc4f5cdb6415d8ada830cc0c53941a4eaf70b9a98d52eaa395ce84f81c365613ee4eac385520dd9b57b237e7a51a876905
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56669f31df48ba5b46e733c3b8feabf9d
SHA166baa073db073e4388871a6ee2b8422141ddeec9
SHA25633cee928ef43a84a8d5c3e914f99dce85fa2cac093010c49a8017388c9a0b8db
SHA512309c1c52df501d1f0a2b4554066111798b43bb12183d662a9866b9f0ee885898ef58ca9b472778ba191ab0b294ef7c2cc4b6f44e086b5cfba2334c71959eb67d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c1128ef3ffd564dfc84549308fd20a7
SHA1e89c9bfeb1135b15171a058be66425a97410bffb
SHA256c03f426db9889bae418ffa4aabc32ad5a823efea73bfd91423692baf7f8759c3
SHA512da9ea75bd72d1314c0ca29d112cb389aae66dfc114835eb80a990685f9d953334dee4255ab735cc215ea4f53bc07f4b4976ae33429ffd6076d3d732f739a1b4e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fcff5e72a248ac6f7d396380ff4df8c
SHA1c85405e03a8441e6bcb363fb562b44fd59e2ce34
SHA256aeceee01f13879ed9e100291c31bec3aee96cd160654ffa29c5407b032075ca4
SHA512ae110151c82c5169b4124994868ad4662835ed8266bd1abd0fe654eb34dc341666314c2158d6260b0078e595325b0c6d22456fbd8822efff53f70d6ac48c8627
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Filesize
4.1MB
MD582f516461e7545486763518f7dbb6214
SHA118d75fa4a95ea8cd9d2db5aa79588d86ed26f912
SHA256e696d8b3afdc0cb47f204ff8cf259b32127b9389e99740fd4c6fa08e4664b889
SHA51296b9a6781902f6b0ad3b357d92317938d77550448ce9afb0fc58e806a411c017f2c8173dd5ec795df74d668affde0d06f83bfee008381d5f9a73349ce6e5caed
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec