Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/04/2024, 20:23
Static task
static1
Behavioral task
behavioral1
Sample
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe
Resource
win10v2004-20240412-en
General
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Target
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe
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Size
4.2MB
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MD5
08ac55e6e61e9315ce956b99e5a0fb51
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SHA1
803c344a9e8f79b66e209dffa10bdd61a76f32f6
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SHA256
8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f
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SHA512
1827878cce05815659156a4672072c9faa2fb758e412531d93104c67a69b233c4b886de8aeca78ffc0118ef08652064ae2c4df050b591b372e9dc64226594948
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SSDEEP
98304:WRe06RCZ8qdKnAdKFoI0tkW+Km95muXXLdVYjOy3P9UT:bUuqUAddtM55murAiy9m
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1552-2-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral2/memory/1552-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1552-6-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1552-48-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1552-53-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1552-55-0x0000000005130000-0x0000000005A1B000-memory.dmp family_glupteba behavioral2/memory/5060-57-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral2/memory/5060-58-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5060-90-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5060-91-0x00000000033A0000-0x00000000037A4000-memory.dmp family_glupteba behavioral2/memory/5060-105-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5060-119-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/5060-150-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1672-211-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1672-238-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1672-246-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1672-255-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/1672-257-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 8 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1672 csrss.exe 124 injector.exe 1304 windefender.exe 1460 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa88-249.dat upx behavioral2/memory/1304-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1460-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\S-1-5-21-243033537-3771492294-1461557691-1000\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 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 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe File created C:\Windows\rss\csrss.exe 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.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 868 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 908 1552 WerFault.exe 79 2068 5060 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3956 schtasks.exe 3176 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe 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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2256 powershell.exe 2256 powershell.exe 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 2284 powershell.exe 2284 powershell.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 1524 powershell.exe 1524 powershell.exe 3624 powershell.exe 3624 powershell.exe 3988 powershell.exe 3988 powershell.exe 728 powershell.exe 728 powershell.exe 4512 powershell.exe 4512 powershell.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 1672 csrss.exe 1672 csrss.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 1672 csrss.exe 1672 csrss.exe 124 injector.exe 124 injector.exe 1672 csrss.exe 1672 csrss.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe 124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Token: SeImpersonatePrivilege 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe Token: SeDebugPrivilege 2284 powershell.exe Token: SeDebugPrivilege 1524 powershell.exe Token: SeDebugPrivilege 3624 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeSystemEnvironmentPrivilege 1672 csrss.exe Token: SeSecurityPrivilege 868 sc.exe Token: SeSecurityPrivilege 868 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1552 wrote to memory of 2256 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 82 PID 1552 wrote to memory of 2256 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 82 PID 1552 wrote to memory of 2256 1552 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 82 PID 5060 wrote to memory of 2284 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 90 PID 5060 wrote to memory of 2284 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 90 PID 5060 wrote to memory of 2284 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 90 PID 5060 wrote to memory of 5044 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 92 PID 5060 wrote to memory of 5044 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 92 PID 5044 wrote to memory of 8 5044 cmd.exe 94 PID 5044 wrote to memory of 8 5044 cmd.exe 94 PID 5060 wrote to memory of 1524 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 95 PID 5060 wrote to memory of 1524 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 95 PID 5060 wrote to memory of 1524 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 95 PID 5060 wrote to memory of 3624 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 5060 wrote to memory of 3624 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 5060 wrote to memory of 3624 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 97 PID 5060 wrote to memory of 1672 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 99 PID 5060 wrote to memory of 1672 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 99 PID 5060 wrote to memory of 1672 5060 8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe 99 PID 1672 wrote to memory of 3988 1672 csrss.exe 102 PID 1672 wrote to memory of 3988 1672 csrss.exe 102 PID 1672 wrote to memory of 3988 1672 csrss.exe 102 PID 1672 wrote to memory of 728 1672 csrss.exe 108 PID 1672 wrote to memory of 728 1672 csrss.exe 108 PID 1672 wrote to memory of 728 1672 csrss.exe 108 PID 1672 wrote to memory of 4512 1672 csrss.exe 110 PID 1672 wrote to memory of 4512 1672 csrss.exe 110 PID 1672 wrote to memory of 4512 1672 csrss.exe 110 PID 1672 wrote to memory of 124 1672 csrss.exe 112 PID 1672 wrote to memory of 124 1672 csrss.exe 112 PID 1304 wrote to memory of 4468 1304 windefender.exe 118 PID 1304 wrote to memory of 4468 1304 windefender.exe 118 PID 1304 wrote to memory of 4468 1304 windefender.exe 118 PID 4468 wrote to memory of 868 4468 cmd.exe 119 PID 4468 wrote to memory of 868 4468 cmd.exe 119 PID 4468 wrote to memory of 868 4468 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\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2256
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C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.exe"C:\Users\Admin\AppData\Local\Temp\8fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f.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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284
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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:5044 -
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:8
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1524
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3624
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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:1672 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988
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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:3956
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2536
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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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:124
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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:3176
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1304 -
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:4468 -
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:868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 8323⤵
- Program crash
PID:2068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 7722⤵
- Program crash
PID:908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1552 -ip 15521⤵PID:1052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 5060 -ip 50601⤵PID:400
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:1460
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
MD5d499afc71dad53e2de92a6a18c689264
SHA1662f35193b005d3947bb8024d0e74c5a53febdce
SHA256a3e0dc9e87f63e28c4c5c429fcc1d8e3283a70cfc2fa63dd3fb730df16173335
SHA5124b342dd1bb6ac842e286ed37a2c2abaae87169fd8a518b02c6865acf27c83ef6116b16a7edde934f303628fcb5a21a0238be89e9563d8fa203b244d265a40dd5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5468ab0a7dfc992f87cbc20069627b6a5
SHA1eb4cdb522f6ac52253508a836e8eef6f57fe05b7
SHA256d1462f61a59600337151a57112f7c784ddd317abeba5e465ed99e9f30a6cdb11
SHA5123c893d47c4d535b8d7dbe14da91c77b0950cf50b6c2b48afd4cfd64730a258ccd8d0c9501cc5e48a91977dd9f4f85797c6c49447238787dfa9cc3267c4f04292
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1cf5a89e52f911e3de0ea8548c182f1
SHA1499f678f7b22b445b69ebde759e4d1e6961d8900
SHA256591a5c941a51a1ce0a43da50164b8d901a4dc875fdd185338e5a533b97804150
SHA512f5a2e55728b397b496b88ef7356197556f7be4ea77a6848c7fabd68be7b1cff4e23d734acee4e6850c84a026c7994a721cac435f8eec5f491b7c77361ccc27f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD589d4d138e9125d61eefdb05121132f93
SHA106e2dc279b3d6f11b82b4196dd28f83c0b6c3b25
SHA25615a7f1d320e0a782ba6f12dbb9e9a5f844ee8618ea79eb9be130043af9bb668e
SHA51224bb08834af23dc5c72e90b23cec83ca4c1ab9979eeb7bce01f34643ac6320fc422ef7ad438a8f3953e0ba5618543f2e3736f83caa0c9ed639393fa5c3f2831e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538c186263e6d744c8a80e926e6face3c
SHA133de6c24c65d98aeb18cc9e2a0fa735a40f8bb5e
SHA256882379d19a66456a499a8786410311af31dd4efed9bf0f8cf7b19cd37fa4074c
SHA51255f3e59bdf50abc156402c1d9a6cf63871359807bf8e348dcb94784afc2d98793b5414000f363f032636db16a9d961aaf3a0a1aa51a2d1327d842d5b7200cf15
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Filesize
4.2MB
MD508ac55e6e61e9315ce956b99e5a0fb51
SHA1803c344a9e8f79b66e209dffa10bdd61a76f32f6
SHA2568fbbe0abb258abe568b9320f2ae5db64f922a63ff1bbed20dd540d44cee3eb9f
SHA5121827878cce05815659156a4672072c9faa2fb758e412531d93104c67a69b233c4b886de8aeca78ffc0118ef08652064ae2c4df050b591b372e9dc64226594948
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec