Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
30-01-2023 10:27
Static task
static1
General
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Target
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe
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Size
4.0MB
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MD5
7a0d03f94d5124263e235fa053cd3b16
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SHA1
1413b6a5203862fd0e485543a643fca6912d7b72
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SHA256
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945
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SHA512
43b4c7188345ff5e66e9bf29eeead5c447d4392e95ef2d9a7d81bf5aefd604427ef14701ccf6e75ac032dc5f30fa6d694ad154a60681ff0425913270850dfa5d
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SSDEEP
98304:WdOL4/uZgGtCU1Jw2jOpNiTKWTrgdBWwIGF2F:KOLqSgxkw2jO+TKWv6Ud
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 176 created 2732 176 svchost.exe 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe PID 176 created 3968 176 svchost.exe csrss.exe PID 176 created 3968 176 svchost.exe csrss.exe PID 176 created 3968 176 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3968 csrss.exe 4468 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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.
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Drops file in Windows directory 2 IoCs
Processes:
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exedescription ioc process File opened for modification C:\Windows\rss 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe File created C:\Windows\rss\csrss.exe 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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 1956 schtasks.exe 4356 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exeinjector.execsrss.exepid process 2732 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2732 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 3968 csrss.exe 3968 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 3968 csrss.exe 3968 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 2732 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Token: SeImpersonatePrivilege 2732 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe Token: SeTcbPrivilege 176 svchost.exe Token: SeTcbPrivilege 176 svchost.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe Token: SeSystemEnvironmentPrivilege 3968 csrss.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe Token: SeBackupPrivilege 176 svchost.exe Token: SeRestorePrivilege 176 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.execmd.execsrss.exedescription pid process target process PID 176 wrote to memory of 2920 176 svchost.exe 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe PID 176 wrote to memory of 2920 176 svchost.exe 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe PID 176 wrote to memory of 2920 176 svchost.exe 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe PID 2920 wrote to memory of 3080 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe cmd.exe PID 2920 wrote to memory of 3080 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe cmd.exe PID 3080 wrote to memory of 2572 3080 cmd.exe netsh.exe PID 3080 wrote to memory of 2572 3080 cmd.exe netsh.exe PID 2920 wrote to memory of 3968 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe csrss.exe PID 2920 wrote to memory of 3968 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe csrss.exe PID 2920 wrote to memory of 3968 2920 16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe csrss.exe PID 176 wrote to memory of 1956 176 svchost.exe schtasks.exe PID 176 wrote to memory of 1956 176 svchost.exe schtasks.exe PID 176 wrote to memory of 2652 176 svchost.exe schtasks.exe PID 176 wrote to memory of 2652 176 svchost.exe schtasks.exe PID 3968 wrote to memory of 4468 3968 csrss.exe injector.exe PID 3968 wrote to memory of 4468 3968 csrss.exe injector.exe PID 176 wrote to memory of 4356 176 svchost.exe schtasks.exe PID 176 wrote to memory of 4356 176 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe"C:\Users\Admin\AppData\Local\Temp\16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.exe"C:\Users\Admin\AppData\Local\Temp\16e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945.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
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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
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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
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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
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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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
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD57a0d03f94d5124263e235fa053cd3b16
SHA11413b6a5203862fd0e485543a643fca6912d7b72
SHA25616e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945
SHA51243b4c7188345ff5e66e9bf29eeead5c447d4392e95ef2d9a7d81bf5aefd604427ef14701ccf6e75ac032dc5f30fa6d694ad154a60681ff0425913270850dfa5d
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD57a0d03f94d5124263e235fa053cd3b16
SHA11413b6a5203862fd0e485543a643fca6912d7b72
SHA25616e3321da56e3f04b884fe67c2e4b542650605e24b9fc59e89f22b1d8a1f9945
SHA51243b4c7188345ff5e66e9bf29eeead5c447d4392e95ef2d9a7d81bf5aefd604427ef14701ccf6e75ac032dc5f30fa6d694ad154a60681ff0425913270850dfa5d
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memory/1956-145-0x0000000000000000-mapping.dmp
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memory/2572-138-0x0000000000000000-mapping.dmp
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memory/2652-146-0x0000000000000000-mapping.dmp
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memory/2732-133-0x00000000052D0000-0x0000000005B47000-memory.dmpFilesize
8.5MB
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memory/2732-134-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/2732-136-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/2732-132-0x0000000004EDC000-0x00000000052C5000-memory.dmpFilesize
3.9MB
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memory/2920-140-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/2920-144-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/2920-139-0x0000000004C02000-0x0000000004FEB000-memory.dmpFilesize
3.9MB
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memory/2920-135-0x0000000000000000-mapping.dmp
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memory/3080-137-0x0000000000000000-mapping.dmp
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memory/3968-141-0x0000000000000000-mapping.dmp
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memory/3968-148-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/3968-147-0x0000000005100000-0x00000000054E9000-memory.dmpFilesize
3.9MB
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memory/3968-153-0x0000000000400000-0x0000000002F6F000-memory.dmpFilesize
43.4MB
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memory/4356-152-0x0000000000000000-mapping.dmp
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memory/4468-149-0x0000000000000000-mapping.dmp