Analysis
-
max time kernel
183s -
max time network
206s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
13-10-2023 17:03
Static task
static1
General
-
Target
7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe
-
Size
4.1MB
-
MD5
fe0f08ac4b2915602d49f49008fbca98
-
SHA1
ad94b78f6a2c8085193997d08a9a94eef569d252
-
SHA256
7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d
-
SHA512
8c5c6b77a4020dc6f3c80897c017474357ac986fe86a49133589345700c4498998aed60e6b7c312c228614fea73a2ad3ac1959294812ebda0d62cf0b13259998
-
SSDEEP
98304:Kk2XZzRD/qkvmrRpF0Gy8w+D1W7Ary4JSrHNGSoPwn6csFnqxy9:KlXxRDik+rB0GyED07AhJGtG3Ey6w
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3664-2-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/3664-3-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/3664-15-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/3664-19-0x0000000005180000-0x0000000005A6B000-memory.dmp family_glupteba behavioral1/memory/3664-157-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/3664-307-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2248-311-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2248-320-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2248-587-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/2248-1054-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1059-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1086-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1311-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1562-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1809-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1813-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1821-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1823-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba behavioral1/memory/4440-1825-0x0000000000400000-0x0000000002FB8000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4440 csrss.exe 2700 injector.exe 3012 windefender.exe 3468 windefender.exe -
resource yara_rule behavioral1/files/0x000800000001b02f-1816.dat upx behavioral1/files/0x000800000001b02f-1818.dat upx behavioral1/files/0x000800000001b02f-1819.dat upx behavioral1/memory/3012-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3468-1822-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3468-1826-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2445638973-2158012892-84912826-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2445638973-2158012892-84912826-1000\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.
-
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 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 -
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 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe File created C:\Windows\rss\csrss.exe 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.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 1588 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2112 schtasks.exe 1124 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\1e\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 948 powershell.exe 948 powershell.exe 948 powershell.exe 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 4052 powershell.exe 4052 powershell.exe 4052 powershell.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 2564 powershell.exe 2564 powershell.exe 2564 powershell.exe 1732 powershell.exe 1732 powershell.exe 1732 powershell.exe 1228 powershell.exe 1228 powershell.exe 1228 powershell.exe 212 powershell.exe 212 powershell.exe 212 powershell.exe 2904 powershell.exe 2904 powershell.exe 2904 powershell.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 4440 csrss.exe 4440 csrss.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 4440 csrss.exe 4440 csrss.exe 2700 injector.exe 2700 injector.exe 4440 csrss.exe 4440 csrss.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 948 powershell.exe Token: SeDebugPrivilege 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Token: SeImpersonatePrivilege 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeSystemEnvironmentPrivilege 4440 csrss.exe Token: SeSecurityPrivilege 1588 sc.exe Token: SeSecurityPrivilege 1588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3664 wrote to memory of 948 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 71 PID 3664 wrote to memory of 948 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 71 PID 3664 wrote to memory of 948 3664 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 71 PID 2248 wrote to memory of 4052 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 76 PID 2248 wrote to memory of 4052 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 76 PID 2248 wrote to memory of 4052 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 76 PID 2248 wrote to memory of 1588 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 78 PID 2248 wrote to memory of 1588 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 78 PID 1588 wrote to memory of 3484 1588 cmd.exe 80 PID 1588 wrote to memory of 3484 1588 cmd.exe 80 PID 2248 wrote to memory of 2564 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 81 PID 2248 wrote to memory of 2564 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 81 PID 2248 wrote to memory of 2564 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 81 PID 2248 wrote to memory of 1732 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 83 PID 2248 wrote to memory of 1732 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 83 PID 2248 wrote to memory of 1732 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 83 PID 2248 wrote to memory of 4440 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 85 PID 2248 wrote to memory of 4440 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 85 PID 2248 wrote to memory of 4440 2248 7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe 85 PID 4440 wrote to memory of 1228 4440 csrss.exe 86 PID 4440 wrote to memory of 1228 4440 csrss.exe 86 PID 4440 wrote to memory of 1228 4440 csrss.exe 86 PID 4440 wrote to memory of 212 4440 csrss.exe 93 PID 4440 wrote to memory of 212 4440 csrss.exe 93 PID 4440 wrote to memory of 212 4440 csrss.exe 93 PID 4440 wrote to memory of 2904 4440 csrss.exe 95 PID 4440 wrote to memory of 2904 4440 csrss.exe 95 PID 4440 wrote to memory of 2904 4440 csrss.exe 95 PID 4440 wrote to memory of 2700 4440 csrss.exe 97 PID 4440 wrote to memory of 2700 4440 csrss.exe 97 PID 3012 wrote to memory of 3512 3012 windefender.exe 104 PID 3012 wrote to memory of 3512 3012 windefender.exe 104 PID 3012 wrote to memory of 3512 3012 windefender.exe 104 PID 3512 wrote to memory of 1588 3512 cmd.exe 105 PID 3512 wrote to memory of 1588 3512 cmd.exe 105 PID 3512 wrote to memory of 1588 3512 cmd.exe 105 -
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
-
C:\Users\Admin\AppData\Local\Temp\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe"C:\Users\Admin\AppData\Local\Temp\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:948
-
-
C:\Users\Admin\AppData\Local\Temp\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe"C:\Users\Admin\AppData\Local\Temp\7b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2248 -
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:4052
-
-
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:1588 -
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:3484
-
-
-
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:2564
-
-
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:1732
-
-
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:4440 -
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:1228
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2112
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4244
-
-
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:212
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904
-
-
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:2700
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1124
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3012 -
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:3512 -
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:1588
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3468
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
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ab7124afd1f2d1c7945f843ace65d391
SHA1e7f0b8461ee4dc230129306e366f93710426624c
SHA2564b11ad4f4128e31702ef49a9d2e069fb8eee793d684f9f411e6d9536e101db72
SHA5123a7a0f65a79679ae5a13851c701da2f86cebcdb9692bfee3fa3363d68c7c835b7068b7ccd901745fe7b64886a101926f429bf1f86740d8d2a1650cc266205c7c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5c1fcc2611c79d8e09173e269fab95401
SHA1739f0569d5aac64f11d77873ceb7c04e071a7a6f
SHA256ac7420516700ddddad658312e2e63a35226ecb160b267174587cc49008b45d64
SHA512f50ea99714c84dbe67555e52f866a2f3b2e848065ee02d3392f278f9aa3bd21e4d546ec8225de9b60486e45e294767f3dc39133351f0be1366627559c3120614
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5850100d2c1b9d7c2e08205bbb3403b7c
SHA1df1c6559866f28d9e8c8e5049506d2072bff8021
SHA2563ae51b9c26f9643e26920323f545acb84ae08745a79b0a8b6bf2b67fdc830168
SHA5120055fa25ceb79f6be2443a22473985dcf9e2e4fe271129da5b1e343f4d238bf4bcf5be4bcd6de6d718113de7433ae894d75dd11f4d94eb555e7d7f5057d3ef29
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD532d84c0fa4702e52918213532a09789f
SHA1094eee893c00be305301425568e0f8423e754881
SHA2560aad5f0afc34f4fa46d6dd4b260c74d19d42c0b6b39ff4b3de9386ed987c169b
SHA512e99c41e976dbf7eaf9666cf4af11046faaa5744adc69f3d3c1f1bd16c27b7f1d5d3ac862e1fa570872cf1ee0489da8bff19bee0f78f76e67870eb7cd468e5576
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD54db129e0d347a141c8ed84d1f12613bd
SHA1ec01e1dec9053e3ce70694acaaa6506b473559b8
SHA25616574ef7906cd4db6f09bcd41db0811dba7a61f920291054ab6f67157965dcb1
SHA512e29e4cf3803e8c3ae5d45d597ddeb125e6c49b94a4d335f5dd2fb5c567df061b8707f103d867a2bce24e84d49c5940ae1c876608bfc9793a14a7a29a7c179980
-
Filesize
4.1MB
MD5fe0f08ac4b2915602d49f49008fbca98
SHA1ad94b78f6a2c8085193997d08a9a94eef569d252
SHA2567b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d
SHA5128c5c6b77a4020dc6f3c80897c017474357ac986fe86a49133589345700c4498998aed60e6b7c312c228614fea73a2ad3ac1959294812ebda0d62cf0b13259998
-
Filesize
4.1MB
MD5fe0f08ac4b2915602d49f49008fbca98
SHA1ad94b78f6a2c8085193997d08a9a94eef569d252
SHA2567b92efa0f8be6e83f9adc60ffeda6d387839db42b34dcc599a622bb0549b4c9d
SHA5128c5c6b77a4020dc6f3c80897c017474357ac986fe86a49133589345700c4498998aed60e6b7c312c228614fea73a2ad3ac1959294812ebda0d62cf0b13259998
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec