Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:35
Static task
static1
Behavioral task
behavioral1
Sample
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe
Resource
win10v2004-20240426-en
General
-
Target
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe
-
Size
4.1MB
-
MD5
8792fffdee93c4e1663c7c6a5bfa9ef6
-
SHA1
d6ba1c4d9e73da8020b891292cd20bd270ed2ff1
-
SHA256
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f
-
SHA512
d0e15f7a4f88c4cb220ac387546beb170d34fffba3dbc7a5a671291d923ab514820721fcaebf8abe853049d6c9188532c4ef77f422cdf3ba7f4ae94ca7f4fefe
-
SSDEEP
98304:Ok/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6Q:On6bazjovoyoHfX3/GYHX
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3260-2-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral1/memory/3260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-56-0x0000000004450000-0x0000000004D3B000-memory.dmp family_glupteba behavioral1/memory/3260-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3260-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3724-136-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-249-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4944-251-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4572 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4944 csrss.exe 4292 injector.exe 4252 windefender.exe 636 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023415-223.dat upx behavioral1/memory/636-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4252-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4252-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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:
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exedescription ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe File created C:\Windows\rss\csrss.exe 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3752 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 464 powershell.exe 1584 powershell.exe 4864 powershell.exe 1324 powershell.exe 1376 powershell.exe 528 powershell.exe 4840 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 720 3260 WerFault.exe 81 4548 3724 WerFault.exe 92 -
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 2740 schtasks.exe 1888 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India 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\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern 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" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-172 = "Central Standard Time (Mexico)" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard 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\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.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\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exepowershell.exe8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1324 powershell.exe 1324 powershell.exe 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 1376 powershell.exe 1376 powershell.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 528 powershell.exe 528 powershell.exe 4840 powershell.exe 4840 powershell.exe 4840 powershell.exe 464 powershell.exe 464 powershell.exe 464 powershell.exe 1584 powershell.exe 1584 powershell.exe 4864 powershell.exe 4864 powershell.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4944 csrss.exe 4944 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4944 csrss.exe 4944 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4944 csrss.exe 4944 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Token: SeImpersonatePrivilege 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 528 powershell.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeDebugPrivilege 1584 powershell.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeSystemEnvironmentPrivilege 4944 csrss.exe Token: SeSecurityPrivilege 3752 sc.exe Token: SeSecurityPrivilege 3752 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3260 wrote to memory of 1324 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 84 PID 3260 wrote to memory of 1324 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 84 PID 3260 wrote to memory of 1324 3260 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 84 PID 3724 wrote to memory of 1376 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 96 PID 3724 wrote to memory of 1376 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 96 PID 3724 wrote to memory of 1376 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 96 PID 3724 wrote to memory of 3288 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 101 PID 3724 wrote to memory of 3288 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 101 PID 3288 wrote to memory of 4572 3288 cmd.exe 103 PID 3288 wrote to memory of 4572 3288 cmd.exe 103 PID 3724 wrote to memory of 528 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 104 PID 3724 wrote to memory of 528 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 104 PID 3724 wrote to memory of 528 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 104 PID 3724 wrote to memory of 4840 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 108 PID 3724 wrote to memory of 4840 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 108 PID 3724 wrote to memory of 4840 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 108 PID 3724 wrote to memory of 4944 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 110 PID 3724 wrote to memory of 4944 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 110 PID 3724 wrote to memory of 4944 3724 8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe 110 PID 4944 wrote to memory of 464 4944 csrss.exe 113 PID 4944 wrote to memory of 464 4944 csrss.exe 113 PID 4944 wrote to memory of 464 4944 csrss.exe 113 PID 4944 wrote to memory of 1584 4944 csrss.exe 118 PID 4944 wrote to memory of 1584 4944 csrss.exe 118 PID 4944 wrote to memory of 1584 4944 csrss.exe 118 PID 4944 wrote to memory of 4864 4944 csrss.exe 121 PID 4944 wrote to memory of 4864 4944 csrss.exe 121 PID 4944 wrote to memory of 4864 4944 csrss.exe 121 PID 4944 wrote to memory of 4292 4944 csrss.exe 123 PID 4944 wrote to memory of 4292 4944 csrss.exe 123 PID 4252 wrote to memory of 2508 4252 windefender.exe 129 PID 4252 wrote to memory of 2508 4252 windefender.exe 129 PID 4252 wrote to memory of 2508 4252 windefender.exe 129 PID 2508 wrote to memory of 3752 2508 cmd.exe 130 PID 2508 wrote to memory of 3752 2508 cmd.exe 130 PID 2508 wrote to memory of 3752 2508 cmd.exe 130 -
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\8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe"C:\Users\Admin\AppData\Local\Temp\8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
-
-
C:\Users\Admin\AppData\Local\Temp\8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.exe"C:\Users\Admin\AppData\Local\Temp\8409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f.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:3724 -
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:1376
-
-
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:3288 -
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:4572
-
-
-
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:528
-
-
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:4840
-
-
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:4944 -
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:464
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2740
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2648
-
-
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:1584
-
-
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:4864
-
-
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:4292
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1888
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4252 -
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:2508 -
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:3752
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 8643⤵
- Program crash
PID:4548
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 9522⤵
- Program crash
PID:720
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3260 -ip 32601⤵PID:4844
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3724 -ip 37241⤵PID:3140
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:636
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b28e77566441fd2624b54b9fd1a59e4b
SHA1e49b0c59dfdba991dbb4b137d046cac5da1806d8
SHA256e92a336873b3279ca278d2b62894a157c6e45dec079897ecf600babb18306098
SHA51201c2c0a1f3e1c018416f6ef667a3a74b5fffdeb722c859266c72fdccc0ce9d9cb75bfd935e0081e2b41d5219cec8a9323a4d9ae8793c73a6af9dae340d4b5018
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5abf3a2d51e1d1932a06f7090ca02f324
SHA1a1ef3ab7f12b433f9631fec8f7989f83b1d5e7d6
SHA2560f8fb9e9e3f4759a4b53d0d369ff520b9abd18c1e8ce25ea0307f06cc167c86a
SHA512f94ae7ee9bf49943e058970b738c6c50a4ebbc7a02cc9ed1251abdac2fdfeaf92c811db4e455f5a3b39b9d9660fa3a9926d47068675f040b90557784472d17fd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD543a9dcfbaeae2ddfc8289be9d10d3dd3
SHA17828b20a973294310e11e46b56ce78e471e0785d
SHA256383fa356f6d607de0a2bbb7d5855651125252e9e9da2b6673787794bbb61c6b9
SHA512c113ccee4ba527240ae766fefb594a36a36372c797801b821e60644c4ac2b0b3abb5845c649a4a01e706335f3d0be2a6bfb1f003c804cc8952347487dbf7c37b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553889e8e7a66c097671a392765843473
SHA132652d7a3accc1d43a8028817f8acb88bebdcd1f
SHA2563e1e2ed8a1811cadef2aa7af68a1717390d52e0f5d96780fa7ba9d947dc0f9a8
SHA512ac4591a84c9085f67249e5693190807ea4216ac4450bacdc0ead78fd862ee3b6e7f15aec01ae2ae255364cbf25ad0945b893ef81af254c6f91d98121b81ae469
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56bb99a179e48454a87ed283adb248634
SHA1a4cc1a9f092daf97ca7aabf51fa38f07660b3960
SHA256df62be3ecd3627ecfac0f46f0be4a091fcf80c4658e49aa24cd4cf52b1d85629
SHA5123ccd9262a8f0f5146e7516bc80cd3bc795123644897188f330a3def8da47a435f3aa6a166060474e62a024a9ea4739631885512650c4c118ffeb37c733f00489
-
Filesize
4.1MB
MD58792fffdee93c4e1663c7c6a5bfa9ef6
SHA1d6ba1c4d9e73da8020b891292cd20bd270ed2ff1
SHA2568409c2b0bb04ac92de1a1dab769d8eb0ba90026ed3036afb9bec59c52527f78f
SHA512d0e15f7a4f88c4cb220ac387546beb170d34fffba3dbc7a5a671291d923ab514820721fcaebf8abe853049d6c9188532c4ef77f422cdf3ba7f4ae94ca7f4fefe
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec