Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe
Resource
win10v2004-20240412-en
General
-
Target
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe
-
Size
4.2MB
-
MD5
39152c6e7646d3755b388d3e5676c491
-
SHA1
d649bc114f8887c4502790b038926692cf43f3ee
-
SHA256
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a
-
SHA512
8d867ab5ef94f0732d4f4b94d53d9e5493f0884800ce1f9ca522ee8b0c03bc68aa7035dcf2de453b7a56ffdad410a895404f0803a00c888daa1a21987e65a686
-
SSDEEP
98304:ZlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7a:ZlP9LMc0wkDbEiV0LVIG
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/5040-2-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral1/memory/5040-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/5040-55-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/5040-56-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral1/memory/3300-58-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral1/memory/3300-59-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3300-91-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3300-117-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3300-154-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-205-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-259-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-268-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-270-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-272-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-274-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-276-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-278-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-280-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/1624-282-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 400 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1624 csrss.exe 4856 injector.exe 3492 windefender.exe 4504 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3492-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4504-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4504-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe -
Drops file in Windows directory 4 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe File created C:\Windows\rss\csrss.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4996 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2304 5040 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3960 5040 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 1724 5040 WerFault.exe 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1704 schtasks.exe 3500 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4044 powershell.exe 4044 powershell.exe 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 4600 powershell.exe 4600 powershell.exe 4600 powershell.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe 3712 powershell.exe 3712 powershell.exe 3712 powershell.exe 1760 powershell.exe 1760 powershell.exe 1760 powershell.exe 228 powershell.exe 228 powershell.exe 228 powershell.exe 924 powershell.exe 924 powershell.exe 924 powershell.exe 428 powershell.exe 428 powershell.exe 428 powershell.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1624 csrss.exe 1624 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1624 csrss.exe 1624 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 1624 csrss.exe 1624 csrss.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe 4856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Token: SeImpersonatePrivilege 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 1760 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeDebugPrivilege 428 powershell.exe Token: SeSystemEnvironmentPrivilege 1624 csrss.exe Token: SeSecurityPrivilege 4996 sc.exe Token: SeSecurityPrivilege 4996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5040 wrote to memory of 4044 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 5040 wrote to memory of 4044 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 5040 wrote to memory of 4044 5040 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 4600 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 4600 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 4600 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 1088 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe cmd.exe PID 3300 wrote to memory of 1088 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe cmd.exe PID 1088 wrote to memory of 400 1088 cmd.exe netsh.exe PID 1088 wrote to memory of 400 1088 cmd.exe netsh.exe PID 3300 wrote to memory of 3712 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 3712 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 3712 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 1760 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 1760 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 1760 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe powershell.exe PID 3300 wrote to memory of 1624 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 3300 wrote to memory of 1624 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 3300 wrote to memory of 1624 3300 7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe csrss.exe PID 1624 wrote to memory of 228 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 228 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 228 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 924 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 924 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 924 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 428 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 428 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 428 1624 csrss.exe powershell.exe PID 1624 wrote to memory of 4856 1624 csrss.exe injector.exe PID 1624 wrote to memory of 4856 1624 csrss.exe injector.exe PID 3492 wrote to memory of 3404 3492 windefender.exe cmd.exe PID 3492 wrote to memory of 3404 3492 windefender.exe cmd.exe PID 3492 wrote to memory of 3404 3492 windefender.exe cmd.exe PID 3404 wrote to memory of 4996 3404 cmd.exe sc.exe PID 3404 wrote to memory of 4996 3404 cmd.exe sc.exe PID 3404 wrote to memory of 4996 3404 cmd.exe sc.exe -
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\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044 -
C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.exe"C:\Users\Admin\AppData\Local\Temp\7db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a.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:3300 -
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:4600 -
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:1088 -
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:400 -
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:3712 -
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:1760 -
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:1624 -
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:228 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1704 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2008
-
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:924 -
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:428 -
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:4856 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3500 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3492 -
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:3404 -
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:4996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 6602⤵
- Program crash
PID:2304 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 8122⤵
- Program crash
PID:3960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 7922⤵
- Program crash
PID:1724
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5040 -ip 50401⤵PID:1936
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 5040 -ip 50401⤵PID:1620
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5040 -ip 50401⤵PID:1308
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4504
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c16a5d30f949ffe879547b6f55fa8f1c
SHA1fc4886528480a9d5a4ad8597f03a57bd35d9e0b7
SHA256ea5452a3943b86f009bfcb7891c6c07800caf00391d1250c85acda5eb4af19f6
SHA51202843c88296f7cb370b3d2e06fe4d61f4a4c490955f27f5997bcbe17a1abaa7258f9b02cdae5fc23e131b886c80db6f9affb4cf38a7bdfb9562ea4613075813a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eaf34865a9b86762ccf65ac3e4817f7f
SHA154048feae5047b39ec43a09fde385d6d59c94ada
SHA25606c007b9806943800d14a9d3deb0ac2434e7f6ab6aa7935acf4bcb94d955dae0
SHA5129c3c8ed12047d7a21a5a6dbe84c4c23d97dba40d70740287b0de103e91b8c0037cb8baf731e9f41678a7884f90ae816c3278e6c2d79f1e6dcb612dd5f5f93933
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597829f262b2c137fd3af924be048b0e3
SHA1376a31dbaf4299f0b3393c60b2f8f0a59c9021f5
SHA256697d9e1fd2f15e74d3f1bdccb23c50205a18f45c4aed3cd422e471d84ef71fd0
SHA51206d93cc3fad67752167cc88b313bd496af7becad02fd5b9ad38b7ac16e0a46331706895860466bcdc1779a9a780719b129b44f5daae52f182e95b1c9d99ed8aa
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b533deea2aa3e1ce129f4438f3149984
SHA1c90eadc6705653b17abf1f768365cbaed3ac28d2
SHA256cba85727f1b63e8ea782facb687d210c8483ab98322fb460ddbf1d2c5531d784
SHA5126518fc9daf6ccec9333cb118d3bcc08e7ae14883a6fb972a5946e5e2a9c4b5d4615779b22742a91a116073b1f7de06ca39d269274a5ea55560b1c801cde02cb7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b6b8e66aa31ec717d10abfeefa35dda
SHA1ce64d322e2d9b8acda1709bba3bc62b26217014d
SHA25621c533556eb7274267cc0d321ca691349097ab1b911e8827948044fa6f0e2747
SHA5128d380ad4a20b6c1285a0a2da73bb948407096847b329ce0ebfc811e7572a9ea05b2270c0fdd4b7df33aaa6f382822e1387309af49c877f672474bc4191386290
-
Filesize
4.2MB
MD539152c6e7646d3755b388d3e5676c491
SHA1d649bc114f8887c4502790b038926692cf43f3ee
SHA2567db9da1f04e9ff62f8bb0aebca5160da119d956480ff3f097fd0e2f8709f312a
SHA5128d867ab5ef94f0732d4f4b94d53d9e5493f0884800ce1f9ca522ee8b0c03bc68aa7035dcf2de453b7a56ffdad410a895404f0803a00c888daa1a21987e65a686
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec