Analysis
-
max time kernel
156s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27-01-2023 13:58
Static task
static1
General
-
Target
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe
-
Size
4.2MB
-
MD5
bad3a9a516aee270c1d3aed8d576f89c
-
SHA1
93bb0776b90c989f8b8a7a82c03dc7a0d38c2bf9
-
SHA256
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b
-
SHA512
f03ebeb270c58d2a21d188aa79acdf715ba1a1c8b79eb71850a149980462c5dec2f604e7c597a2f2d1f62cf66dce39b9a08409e375cacdefdb69bda9b44f1e24
-
SSDEEP
98304:xWNB1CbqzpS91CEidw2BD2iflouVXpE4+4aRUCF9Ge:O1oM8XidBT9oI53raRx
Malware Config
Signatures
-
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 2848 created 1964 2848 svchost.exe d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe PID 2848 created 1528 2848 svchost.exe csrss.exe PID 2848 created 1528 2848 svchost.exe csrss.exe PID 2848 created 1528 2848 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 1528 csrss.exe 2892 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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.
-
Drops file in Windows directory 2 IoCs
Processes:
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exedescription ioc process File opened for modification C:\Windows\rss d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe File created C:\Windows\rss\csrss.exe d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.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 4424 schtasks.exe 4696 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exed3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exeinjector.execsrss.exepid process 1964 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1964 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 1528 csrss.exe 1528 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 1528 csrss.exe 1528 csrss.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe 2892 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 1964 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Token: SeImpersonatePrivilege 1964 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe Token: SeTcbPrivilege 2848 svchost.exe Token: SeTcbPrivilege 2848 svchost.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe Token: SeSystemEnvironmentPrivilege 1528 csrss.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe Token: SeBackupPrivilege 2848 svchost.exe Token: SeRestorePrivilege 2848 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exed3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.execmd.execsrss.exedescription pid process target process PID 2848 wrote to memory of 1240 2848 svchost.exe d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe PID 2848 wrote to memory of 1240 2848 svchost.exe d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe PID 2848 wrote to memory of 1240 2848 svchost.exe d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe PID 1240 wrote to memory of 2680 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe cmd.exe PID 1240 wrote to memory of 2680 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe cmd.exe PID 2680 wrote to memory of 3388 2680 cmd.exe netsh.exe PID 2680 wrote to memory of 3388 2680 cmd.exe netsh.exe PID 1240 wrote to memory of 1528 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe csrss.exe PID 1240 wrote to memory of 1528 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe csrss.exe PID 1240 wrote to memory of 1528 1240 d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe csrss.exe PID 2848 wrote to memory of 4424 2848 svchost.exe schtasks.exe PID 2848 wrote to memory of 4424 2848 svchost.exe schtasks.exe PID 2848 wrote to memory of 1612 2848 svchost.exe schtasks.exe PID 2848 wrote to memory of 1612 2848 svchost.exe schtasks.exe PID 1528 wrote to memory of 2892 1528 csrss.exe injector.exe PID 1528 wrote to memory of 2892 1528 csrss.exe injector.exe PID 2848 wrote to memory of 4696 2848 svchost.exe schtasks.exe PID 2848 wrote to memory of 4696 2848 svchost.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe"C:\Users\Admin\AppData\Local\Temp\d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe"C:\Users\Admin\AppData\Local\Temp\d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
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
-
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
-
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
-
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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK 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
4.2MB
MD5bad3a9a516aee270c1d3aed8d576f89c
SHA193bb0776b90c989f8b8a7a82c03dc7a0d38c2bf9
SHA256d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b
SHA512f03ebeb270c58d2a21d188aa79acdf715ba1a1c8b79eb71850a149980462c5dec2f604e7c597a2f2d1f62cf66dce39b9a08409e375cacdefdb69bda9b44f1e24
-
C:\Windows\rss\csrss.exeFilesize
4.2MB
MD5bad3a9a516aee270c1d3aed8d576f89c
SHA193bb0776b90c989f8b8a7a82c03dc7a0d38c2bf9
SHA256d3f5dcdae72b71823d86440e79b03b1f324679d48c6f48aa3262f524af356f4b
SHA512f03ebeb270c58d2a21d188aa79acdf715ba1a1c8b79eb71850a149980462c5dec2f604e7c597a2f2d1f62cf66dce39b9a08409e375cacdefdb69bda9b44f1e24
-
memory/1240-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1240-135-0x0000000000000000-mapping.dmp
-
memory/1240-144-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1240-139-0x00000000027CF000-0x0000000002BB8000-memory.dmpFilesize
3.9MB
-
memory/1528-147-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
-
memory/1528-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1528-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1528-141-0x0000000000000000-mapping.dmp
-
memory/1612-146-0x0000000000000000-mapping.dmp
-
memory/1964-132-0x0000000002A9F000-0x0000000002E88000-memory.dmpFilesize
3.9MB
-
memory/1964-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1964-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/1964-133-0x0000000002E90000-0x0000000003707000-memory.dmpFilesize
8.5MB
-
memory/2680-137-0x0000000000000000-mapping.dmp
-
memory/2892-149-0x0000000000000000-mapping.dmp
-
memory/3388-138-0x0000000000000000-mapping.dmp
-
memory/4424-145-0x0000000000000000-mapping.dmp
-
memory/4696-152-0x0000000000000000-mapping.dmp