Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:38
Static task
static1
Behavioral task
behavioral1
Sample
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe
Resource
win10v2004-20240508-en
General
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Target
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe
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Size
4.1MB
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MD5
4634699a081c4ecbaf4f703774df0b5f
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SHA1
118f2688b5e3d0986ee561baa7af6dd453b5bd26
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SHA256
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295
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SHA512
d8b9761da7dcc2993d340236b95504a1dc37f00fd486d49ec561cf452a3b428d6178551eab937ba28b795488bc5590d38206aa52c5faf450de2bfaae61fa88e8
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SSDEEP
98304:+k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6d:+n6bazjovoyoHfX3/GYHa
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2136-2-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral1/memory/2136-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2136-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2136-57-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral1/memory/2136-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4164-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4368-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1228 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4368 csrss.exe 2500 injector.exe 2496 windefender.exe 1288 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023412-222.dat upx behavioral1/memory/2496-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2496-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1288-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1288-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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.
Processes:
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe -
Drops file in Windows directory 4 IoCs
Processes:
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe File created C:\Windows\rss\csrss.exe 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.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.
Processes:
sc.exepid Process 4220 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1684 powershell.exe 3588 powershell.exe 3324 powershell.exe 3944 powershell.exe 3876 powershell.exe 224 powershell.exe 1184 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4252 2136 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4856 schtasks.exe 2708 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exewindefender.exe12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard 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,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.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,-892 = "Morocco Standard 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,-652 = "AUS Central Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exepowershell.exe12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3588 powershell.exe 3588 powershell.exe 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 3324 powershell.exe 3324 powershell.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 3944 powershell.exe 3944 powershell.exe 3876 powershell.exe 3876 powershell.exe 224 powershell.exe 224 powershell.exe 1184 powershell.exe 1184 powershell.exe 1684 powershell.exe 1684 powershell.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 4368 csrss.exe 4368 csrss.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 4368 csrss.exe 4368 csrss.exe 2500 injector.exe 2500 injector.exe 4368 csrss.exe 4368 csrss.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe 2500 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3588 powershell.exe Token: SeDebugPrivilege 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Token: SeImpersonatePrivilege 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 3944 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 1184 powershell.exe Token: SeDebugPrivilege 1684 powershell.exe Token: SeSystemEnvironmentPrivilege 4368 csrss.exe Token: SeSecurityPrivilege 4220 sc.exe Token: SeSecurityPrivilege 4220 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2136 wrote to memory of 3588 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 85 PID 2136 wrote to memory of 3588 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 85 PID 2136 wrote to memory of 3588 2136 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 85 PID 4164 wrote to memory of 3324 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 93 PID 4164 wrote to memory of 3324 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 93 PID 4164 wrote to memory of 3324 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 93 PID 4164 wrote to memory of 832 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 98 PID 4164 wrote to memory of 832 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 98 PID 832 wrote to memory of 1228 832 cmd.exe 100 PID 832 wrote to memory of 1228 832 cmd.exe 100 PID 4164 wrote to memory of 3944 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 101 PID 4164 wrote to memory of 3944 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 101 PID 4164 wrote to memory of 3944 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 101 PID 4164 wrote to memory of 3876 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 104 PID 4164 wrote to memory of 3876 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 104 PID 4164 wrote to memory of 3876 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 104 PID 4164 wrote to memory of 4368 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 107 PID 4164 wrote to memory of 4368 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 107 PID 4164 wrote to memory of 4368 4164 12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe 107 PID 4368 wrote to memory of 224 4368 csrss.exe 108 PID 4368 wrote to memory of 224 4368 csrss.exe 108 PID 4368 wrote to memory of 224 4368 csrss.exe 108 PID 4368 wrote to memory of 1184 4368 csrss.exe 114 PID 4368 wrote to memory of 1184 4368 csrss.exe 114 PID 4368 wrote to memory of 1184 4368 csrss.exe 114 PID 4368 wrote to memory of 1684 4368 csrss.exe 116 PID 4368 wrote to memory of 1684 4368 csrss.exe 116 PID 4368 wrote to memory of 1684 4368 csrss.exe 116 PID 4368 wrote to memory of 2500 4368 csrss.exe 118 PID 4368 wrote to memory of 2500 4368 csrss.exe 118 PID 2496 wrote to memory of 2276 2496 windefender.exe 125 PID 2496 wrote to memory of 2276 2496 windefender.exe 125 PID 2496 wrote to memory of 2276 2496 windefender.exe 125 PID 2276 wrote to memory of 4220 2276 cmd.exe 126 PID 2276 wrote to memory of 4220 2276 cmd.exe 126 PID 2276 wrote to memory of 4220 2276 cmd.exe 126 -
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\12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe"C:\Users\Admin\AppData\Local\Temp\12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3588
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C:\Users\Admin\AppData\Local\Temp\12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.exe"C:\Users\Admin\AppData\Local\Temp\12bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295.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:4164 -
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:3324
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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:832 -
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:1228
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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:3944
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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:3876
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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:4368 -
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:224
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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:4856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1460
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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:1184
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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:1684
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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:2500
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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:2708
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2496 -
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:2276 -
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:4220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 8882⤵
- Program crash
PID:4252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2136 -ip 21361⤵PID:1644
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1288
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
MD5d9657a363ff3f4d5db1a04faf94e135e
SHA1eb268a7967080d9bc255696a88db6e420b33fe4b
SHA25641ce034ed48f3b9ad9817b3f7ab56a6cc86c6ae92e4a8bf0fa6e58e1242c8cd8
SHA51267b560e0e4787a28b575922eacd2eb761fca342f889fb50e03e63fc9f3423092c9417f0c3ade2b1b8683b8bfd594792052cf718a7771de891f9e83de4b535228
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD554ed1b5cc8150b969cb3228da4f1492b
SHA1b6beba36ec383fd66fd09548ab108b76e7885288
SHA25621529df26c0503e9594355b57bc08e870158cd02737748c285bd9508011ede8b
SHA512fda191e75822a88bd098685a6a0db4538df44763271d41c808df49409de251b15e91ae4223e77cc54c578a630095f5ae61dc6368300922f18fedfc48de8f7469
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca60b8b11d00bb138ce218bf4888f798
SHA187a8b535907c48a37ecd8048193d129244e78d69
SHA256448a0c81a2f5458beac830e44c1b08dbc3fadcb453b45c29ab6c93ce62217f94
SHA512ebc1315a213e3cbff4ace462d21c78fcee2f0bda4e70e89516ae54d524058b611ec766c0af572caf12d1a85fad85489c2286bef09af000dc306656a3ccf3f3e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e28aac01981da68bf490c4fc213bf2e4
SHA15ae33ea4ac2ae39a88a1d9acb6bdf4ce9412a336
SHA256b93329d2689c685670b53a1fbcd6afcaf039c0066a9575f0433cbea6228be012
SHA512cfd4bf07642202bfc01962851dcce7fe10df1f4097d1b977a7430539a383f58e0bd5055d6cdc42cf43e5adb18c8d5863fa3208b4d636910c834bf07e0df16a8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8d7618b8643e21dff78e815298c0a5e
SHA17640cc171c52ec6ea65304a33906177e33d635d1
SHA256a987a1e61aada861522acde164816b56c43e03c8c49d34be42c16cf5e3aa3992
SHA512c4a5ba9f9c54497fb87b9bb9e76d22f783b74933561fd3aa332fe1141e0025e0985d65f8e3c99e9cc4ea7dadf27c30c9978bb8cbd9dcd33922cb54488fca6a98
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Filesize
4.1MB
MD54634699a081c4ecbaf4f703774df0b5f
SHA1118f2688b5e3d0986ee561baa7af6dd453b5bd26
SHA25612bf37a2af7e3f4ab1a4aaa7f085fe1d471c2e93b6a6de6ff513b071a4dd5295
SHA512d8b9761da7dcc2993d340236b95504a1dc37f00fd486d49ec561cf452a3b428d6178551eab937ba28b795488bc5590d38206aa52c5faf450de2bfaae61fa88e8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec