Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2023 21:19
Static task
static1
General
-
Target
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe
-
Size
4.1MB
-
MD5
5e2c9f7967fc37218488c70e405e580e
-
SHA1
42d14e24aca89580777f5d572600d330019c63c0
-
SHA256
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12
-
SHA512
5e202bb1d35e17f8a2e5c09ae0a9a4136490c908a326c729bc9e53a02703af467bb3f776f55e09a68998061eabc9c3c99b6adb8dcfd21bef872f700fab0996f4
-
SSDEEP
98304:j1nNaYEaCOUIf9xJUVtMrBR0vBXQbkhPhgFBDIGo:qYEWz9xWVoRQBXbSFFIGo
Malware Config
Signatures
-
Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/2072-134-0x0000000002D90000-0x0000000003607000-memory.dmp family_glupteba behavioral1/memory/2072-135-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1064-141-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-148-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-149-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-150-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-151-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-152-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-153-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-154-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-155-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-156-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-157-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-158-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-159-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-160-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/320-161-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 320 csrss.exe 3144 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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 -
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:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe -
Drops file in Windows directory 2 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exedescription ioc process File opened for modification C:\Windows\rss 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe File created C:\Windows\rss\csrss.exe 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 768 1064 WerFault.exe 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.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 1356 schtasks.exe 1416 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exeinjector.execsrss.exepid process 2072 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 2072 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 320 csrss.exe 320 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 320 csrss.exe 320 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.execsrss.exedescription pid process Token: SeDebugPrivilege 2072 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Token: SeImpersonatePrivilege 2072 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe Token: SeSystemEnvironmentPrivilege 320 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.execmd.execsrss.exedescription pid process target process PID 1064 wrote to memory of 3668 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe cmd.exe PID 1064 wrote to memory of 3668 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe cmd.exe PID 3668 wrote to memory of 1368 3668 cmd.exe netsh.exe PID 3668 wrote to memory of 1368 3668 cmd.exe netsh.exe PID 1064 wrote to memory of 320 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe csrss.exe PID 1064 wrote to memory of 320 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe csrss.exe PID 1064 wrote to memory of 320 1064 0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe csrss.exe PID 320 wrote to memory of 3144 320 csrss.exe injector.exe PID 320 wrote to memory of 3144 320 csrss.exe injector.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\0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe"C:\Users\Admin\AppData\Local\Temp\0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2072 -
C:\Users\Admin\AppData\Local\Temp\0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.exe"C:\Users\Admin\AppData\Local\Temp\0250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12.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:1064 -
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:3668 -
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:1368 -
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1356 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3200
-
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:3144 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1416 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 7443⤵
- Program crash
PID:768
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1064 -ip 10641⤵PID:2396
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD55e2c9f7967fc37218488c70e405e580e
SHA142d14e24aca89580777f5d572600d330019c63c0
SHA2560250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12
SHA5125e202bb1d35e17f8a2e5c09ae0a9a4136490c908a326c729bc9e53a02703af467bb3f776f55e09a68998061eabc9c3c99b6adb8dcfd21bef872f700fab0996f4
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD55e2c9f7967fc37218488c70e405e580e
SHA142d14e24aca89580777f5d572600d330019c63c0
SHA2560250bc836990646793c80eaf6d70ec83e080be0a85b77b00e345afedb7153e12
SHA5125e202bb1d35e17f8a2e5c09ae0a9a4136490c908a326c729bc9e53a02703af467bb3f776f55e09a68998061eabc9c3c99b6adb8dcfd21bef872f700fab0996f4
-
memory/320-151-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-154-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-161-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-149-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-150-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-160-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-152-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-159-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-155-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-156-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-157-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/320-158-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1064-141-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2072-134-0x0000000002D90000-0x0000000003607000-memory.dmpFilesize
8.5MB
-
memory/2072-135-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB