Analysis
-
max time kernel
150s -
max time network
149s -
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
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe
Resource
win10v2004-20240426-en
General
-
Target
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe
-
Size
4.1MB
-
MD5
bfdcd054dc39209e7aa494194c41cd68
-
SHA1
b384b9076668c6da2ddc756d50e8fdaf75014933
-
SHA256
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2
-
SHA512
f1bd66a230540d33f580be662e2f84750d77b1e0329127bf49207088746901bb831755aaaf000b48ce5645455433c4a80cddbf1237f0867b9b5cdfad8cf0f718
-
SSDEEP
98304:+k/C6baF9NNXYvR+SQPyohxfWe3/GY9pAEj6P:+n6bazjovoyoHfX3/GYH4
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4652-2-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/4652-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4652-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4652-57-0x00000000044B0000-0x0000000004D9B000-memory.dmp family_glupteba behavioral1/memory/4652-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/5056-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1336-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4480 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1336 csrss.exe 5664 injector.exe 3812 windefender.exe 5760 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000800000002342f-222.dat upx behavioral1/memory/3812-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5760-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3812-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5760-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5760-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5760-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created 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:
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe -
Drops file in Windows directory 4 IoCs
Processes:
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 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 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 396 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3052 powershell.exe 2296 powershell.exe 904 powershell.exe 4776 powershell.exe 5300 powershell.exe 5540 powershell.exe 2836 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 5104 4652 WerFault.exe 83 5292 5056 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 4452 schtasks.exe 5284 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exec1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.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,-402 = "Arabic Standard 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\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exec1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exepowershell.exec1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 5300 powershell.exe 5300 powershell.exe 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5540 powershell.exe 5540 powershell.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 2836 powershell.exe 2836 powershell.exe 3052 powershell.exe 3052 powershell.exe 3052 powershell.exe 2296 powershell.exe 2296 powershell.exe 2296 powershell.exe 904 powershell.exe 904 powershell.exe 904 powershell.exe 4776 powershell.exe 4776 powershell.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 1336 csrss.exe 1336 csrss.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 1336 csrss.exe 1336 csrss.exe 5664 injector.exe 5664 injector.exe 1336 csrss.exe 1336 csrss.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe 5664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exec1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 5300 powershell.exe Token: SeDebugPrivilege 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Token: SeImpersonatePrivilege 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe Token: SeDebugPrivilege 5540 powershell.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 3052 powershell.exe Token: SeDebugPrivilege 2296 powershell.exe Token: SeDebugPrivilege 904 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeSystemEnvironmentPrivilege 1336 csrss.exe Token: SeSecurityPrivilege 396 sc.exe Token: SeSecurityPrivilege 396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exec1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4652 wrote to memory of 5300 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 85 PID 4652 wrote to memory of 5300 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 85 PID 4652 wrote to memory of 5300 4652 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 85 PID 5056 wrote to memory of 5540 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 5056 wrote to memory of 5540 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 5056 wrote to memory of 5540 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 96 PID 5056 wrote to memory of 4556 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 101 PID 5056 wrote to memory of 4556 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 101 PID 4556 wrote to memory of 4480 4556 cmd.exe 103 PID 4556 wrote to memory of 4480 4556 cmd.exe 103 PID 5056 wrote to memory of 2836 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 104 PID 5056 wrote to memory of 2836 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 104 PID 5056 wrote to memory of 2836 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 104 PID 5056 wrote to memory of 3052 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 107 PID 5056 wrote to memory of 3052 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 107 PID 5056 wrote to memory of 3052 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 107 PID 5056 wrote to memory of 1336 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 110 PID 5056 wrote to memory of 1336 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 110 PID 5056 wrote to memory of 1336 5056 c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe 110 PID 1336 wrote to memory of 2296 1336 csrss.exe 115 PID 1336 wrote to memory of 2296 1336 csrss.exe 115 PID 1336 wrote to memory of 2296 1336 csrss.exe 115 PID 1336 wrote to memory of 904 1336 csrss.exe 121 PID 1336 wrote to memory of 904 1336 csrss.exe 121 PID 1336 wrote to memory of 904 1336 csrss.exe 121 PID 1336 wrote to memory of 4776 1336 csrss.exe 123 PID 1336 wrote to memory of 4776 1336 csrss.exe 123 PID 1336 wrote to memory of 4776 1336 csrss.exe 123 PID 1336 wrote to memory of 5664 1336 csrss.exe 125 PID 1336 wrote to memory of 5664 1336 csrss.exe 125 PID 3812 wrote to memory of 1880 3812 windefender.exe 131 PID 3812 wrote to memory of 1880 3812 windefender.exe 131 PID 3812 wrote to memory of 1880 3812 windefender.exe 131 PID 1880 wrote to memory of 396 1880 cmd.exe 132 PID 1880 wrote to memory of 396 1880 cmd.exe 132 PID 1880 wrote to memory of 396 1880 cmd.exe 132 -
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\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5300
-
-
C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.exe"C:\Users\Admin\AppData\Local\Temp\c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2.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:5056 -
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:5540
-
-
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:4556 -
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:4480
-
-
-
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:2836
-
-
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:3052
-
-
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:1336 -
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:2296
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4452
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3288
-
-
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:904
-
-
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:4776
-
-
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:5664
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5284
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3812 -
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:1880 -
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:396
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 8803⤵
- Program crash
PID:5292
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 9042⤵
- Program crash
PID:5104
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4652 -ip 46521⤵PID:884
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5056 -ip 50561⤵PID:376
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5760
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
MD592b09479a21f9f3f383dcc3f73c4dd32
SHA1578a09f0181c339a1e926ba1de4235e72ed286b4
SHA256d9498d9e4b3c5ee855e041b58fb3c68cfa8d86f72c9c23ceb8cd0a92ae47e465
SHA512044c6b25aa7ff60c7b5ccb96050965e845db0cd6995d4f23e3d72d06a9912a5083fb3f2747276252311a54f7e0c23cf7dd849e30adea2c09886b9fe80081aeb7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d3a23553f4dc86bc1ed60629a92f9abc
SHA13e03c21d872fffee88e5b82552d427f720917b65
SHA256f3c0ebe72799276b3c5da29516595135ede0e5bf282c71c737439b4877739d87
SHA51242daec72e3401014a7233a7a54d4aebbbb6f3884ca610bd8d866d8c545a8ab09823e90bd68fb7a82c2aac721c0eb640bf42d32b27099131e7d17627ae1409b87
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bb008a330eb0a58a2a9d489841c59ad
SHA17c520d2aae12deb79bcb3b6a22ddc8f6112364a9
SHA25607e99b324b1349ad50c1bd967d9d1b65ca9b6a0ed85af16c4624834cf0e82026
SHA5125cae8c25ce7aa8dae58f928bfd1ca076bd3280491b76e61b08406b4ea4a692da45dab3b4c335c0c04f2c57c7c0ad7a8051ffcd8e704d53a71a745ee573d13a89
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c2ee636904034aababbdd2e26bcb4b9
SHA19ce6f4c75a8d016b6cd9b5256be513699491e479
SHA2568ac3f0e43294fd1601d440d8c848254fb3a9251e8161728c03a2259d7320c0bb
SHA51217f00e836456ec6e5ef5ab22244b8f23e3e8eab4f3b78b778dd087dda0b60b460d38f0c0f068e9692c83ce5e010cd1d1b78d30d1ab76ad35ea6d9e738d2184dc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a01f6eccfe17033e7ee9cf754008b3c
SHA12f05cb2c79ccc1468889be42f370f9620811d268
SHA2569febb7596923ccbee4c5b7977284b52317fa9d9b92cb3c327feda06dffd73432
SHA51275bec3dc8220bf0c6541e3918cd2076190539f86809b77214cf9a43f94ddd493dc57953ce4cfd5a235e4f214dea0bfe2d7bc0802183303bb435f23d84d469a88
-
Filesize
4.1MB
MD5bfdcd054dc39209e7aa494194c41cd68
SHA1b384b9076668c6da2ddc756d50e8fdaf75014933
SHA256c1294b82b257fcd3d2238d1e7b53dab6f180411c7e0ec52eb4d4e4a2855822a2
SHA512f1bd66a230540d33f580be662e2f84750d77b1e0329127bf49207088746901bb831755aaaf000b48ce5645455433c4a80cddbf1237f0867b9b5cdfad8cf0f718
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec