Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 19:16
Static task
static1
Behavioral task
behavioral1
Sample
e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe
Resource
win10v2004-20240508-en
General
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Target
e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe
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Size
4.1MB
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MD5
5cc8ebc3f5de9bdfa8828f543fc80630
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SHA1
94a929a552f9a6002abab082271ae4b92e85089f
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SHA256
e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43
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SHA512
28fea43537a580b35c660b44623947af72197126a47eec0ff38ab196039b5725eb90dbbfceef8ad41f87ab1ead86266c11fb117e262b90b9487a719846a6e87f
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SSDEEP
98304:44jpljXL0mhlLBWmpAPZQz52v/2t7cg620TCsd9:3fj4m5WmaZQ12vOT6xnf
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4660-2-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/4660-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4660-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4660-56-0x0000000002DA0000-0x000000000368B000-memory.dmp family_glupteba behavioral1/memory/4712-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4712-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3692-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 384 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3692 csrss.exe 2436 injector.exe 632 windefender.exe 792 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023421-224.dat upx behavioral1/memory/632-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/792-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/632-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/792-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/792-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe File created C:\Windows\rss\csrss.exe e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.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 1636 sc.exe -
pid Process 232 powershell.exe 2564 powershell.exe 4736 powershell.exe 4216 powershell.exe 3344 powershell.exe 3036 powershell.exe 2492 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4672 4660 WerFault.exe 80 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3064 schtasks.exe 2664 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-12 = "Azores Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea 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\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.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\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,-2511 = "Lord Howe Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight 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,-392 = "Arab Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4216 powershell.exe 4216 powershell.exe 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 3344 powershell.exe 3344 powershell.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 3036 powershell.exe 3036 powershell.exe 2492 powershell.exe 2492 powershell.exe 232 powershell.exe 232 powershell.exe 2564 powershell.exe 2564 powershell.exe 4736 powershell.exe 4736 powershell.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 3692 csrss.exe 3692 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 3692 csrss.exe 3692 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 3692 csrss.exe 3692 csrss.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe 2436 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Token: SeImpersonatePrivilege 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 3036 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeSystemEnvironmentPrivilege 3692 csrss.exe Token: SeSecurityPrivilege 1636 sc.exe Token: SeSecurityPrivilege 1636 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4216 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 85 PID 4660 wrote to memory of 4216 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 85 PID 4660 wrote to memory of 4216 4660 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 85 PID 4712 wrote to memory of 3344 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 98 PID 4712 wrote to memory of 3344 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 98 PID 4712 wrote to memory of 3344 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 98 PID 4712 wrote to memory of 2664 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 100 PID 4712 wrote to memory of 2664 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 100 PID 2664 wrote to memory of 384 2664 cmd.exe 102 PID 2664 wrote to memory of 384 2664 cmd.exe 102 PID 4712 wrote to memory of 3036 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 103 PID 4712 wrote to memory of 3036 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 103 PID 4712 wrote to memory of 3036 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 103 PID 4712 wrote to memory of 2492 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 105 PID 4712 wrote to memory of 2492 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 105 PID 4712 wrote to memory of 2492 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 105 PID 4712 wrote to memory of 3692 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 107 PID 4712 wrote to memory of 3692 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 107 PID 4712 wrote to memory of 3692 4712 e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe 107 PID 3692 wrote to memory of 232 3692 csrss.exe 108 PID 3692 wrote to memory of 232 3692 csrss.exe 108 PID 3692 wrote to memory of 232 3692 csrss.exe 108 PID 3692 wrote to memory of 2564 3692 csrss.exe 114 PID 3692 wrote to memory of 2564 3692 csrss.exe 114 PID 3692 wrote to memory of 2564 3692 csrss.exe 114 PID 3692 wrote to memory of 4736 3692 csrss.exe 117 PID 3692 wrote to memory of 4736 3692 csrss.exe 117 PID 3692 wrote to memory of 4736 3692 csrss.exe 117 PID 3692 wrote to memory of 2436 3692 csrss.exe 119 PID 3692 wrote to memory of 2436 3692 csrss.exe 119 PID 632 wrote to memory of 380 632 windefender.exe 125 PID 632 wrote to memory of 380 632 windefender.exe 125 PID 632 wrote to memory of 380 632 windefender.exe 125 PID 380 wrote to memory of 1636 380 cmd.exe 126 PID 380 wrote to memory of 1636 380 cmd.exe 126 PID 380 wrote to memory of 1636 380 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\e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe"C:\Users\Admin\AppData\Local\Temp\e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216
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C:\Users\Admin\AppData\Local\Temp\e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.exe"C:\Users\Admin\AppData\Local\Temp\e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43.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:4712 -
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:3344
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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:2664 -
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:384
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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:3036
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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:2492
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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:3692 -
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:232
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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:3064
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4680
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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:2564
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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:4736
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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:2436
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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:2664
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:632 -
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:380 -
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:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 9122⤵
- Program crash
PID:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4660 -ip 46601⤵PID:3512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:792
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
MD5ff6a54a9bedf17b3cea75fd00461dd57
SHA1f6322038b1a7e533e4361988ba2d1df3743a5e54
SHA256cdeca519731183c23ea6d5a81642b9fbda0e50bd07be9c8f8f08c955cbb17114
SHA512905fe016932a911794b5c4dd13ccfc32a06d67e58a33f0c1626047223049d7e22682fccc25aac01be8999d265dbe53cfb8966a3dda12f98494cb74e395d279e0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d8ad5dda989dcb361c61bcdb92629ac
SHA1cffc0ceaf531ac1022b132c3e32d7ddf5769fd07
SHA2565efaba08c06459bf34c952e46010bd6094bee781d8ed83a2f1e86bca62c9afc2
SHA512fcc37ef77bdf090b62362652e090d87df6b04289d82506bf5463bab09369e1de2af61d5850f015db0f6c9ce63b5da5b95907f5aaf2aa2e4543920023b376445b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb8365d6a0c8837845fba8190e0ff3b2
SHA124e2b7c35d62f4f1efa8e4697c3722b07325f2b5
SHA256061e53cd3fca4df775a26b970dcc71e53bab7b3e36e134b9630e3efecbda84b7
SHA5125b872bbc0e5d340a8eb015de54eacf003dcfe45286cfa8b13b538f7503abaa1431a422fdfac5281b576a31b903915148278da3974b621a807294fb308670c2f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fb7a34cc7ea02049987aad1e0aca442
SHA1952867bd6f46fff73d06e80e15fa6ed284f80f2a
SHA256a16f54317fd39d8a7bd71349427b02dec2a3740977c56db2581a0b6ef916dcb5
SHA512a0f018c768ce4e7437d24b70dba8575e9ad3f147533bd6001cd639012b101bed34707e1b8ed13132e8f1619b32a7123b7d0307e6e6be6de58cc88b63e4f8d575
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0cb5322f632cae880c692ab912b55c2
SHA1adb321796f50993508cd5fb1bf74ebfcc1949ee9
SHA25601f7cf8aedfcf628ef8d014f46c18aeaed5767f7607aed93b68e802f6a43c5ee
SHA5125a971d6c989d44fa95ff7e8aac8bbbf6d5d7bb89e0f691abef293f8ad84704004c3af50f04e34b7731c55eedc710bdabda1d0445cadc7bdaa684734e30572ad6
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Filesize
4.1MB
MD55cc8ebc3f5de9bdfa8828f543fc80630
SHA194a929a552f9a6002abab082271ae4b92e85089f
SHA256e9988db2eee3bd69c501048c4978984d69f93c0ba73660af40bc87f87edb4e43
SHA51228fea43537a580b35c660b44623947af72197126a47eec0ff38ab196039b5725eb90dbbfceef8ad41f87ab1ead86266c11fb117e262b90b9487a719846a6e87f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec