Analysis Overview
SHA256
0dbac1adb12dab36645992c3e54c3e8a1f095694a380562fdfcfa62b5e0dfcde
Threat Level: Known bad
The file ac911d58b1fe06ccafd6697c665451d4 was found to be: Known bad.
Malicious Activity Summary
Orcus main payload
Orcus family
Orcus
Orcurs Rat Executable
Orcurs Rat Executable
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops file in System32 directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-19 21:51
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-19 21:51
Reported
2023-12-20 06:37
Platform
win7-20231215-en
Max time kernel
151s
Max time network
153s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
| N/A | N/A | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe.config | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\INF\recov\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File opened for modification | C:\Windows\INF\recov\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File created | C:\Windows\INF\recov\RuntimeBroker.exe.config | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe
"C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
C:\Windows\INF\recov\RuntimeBroker.exe
"C:\Windows\INF\recov\RuntimeBroker.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {65482A9D-034C-48E4-B683-958541DCD8D2} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]
C:\Windows\INF\recov\RuntimeBroker.exe
C:\Windows\INF\recov\RuntimeBroker.exe
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Steam"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Steam
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp |
Files
memory/2172-1-0x0000000074C50000-0x000000007533E000-memory.dmp
memory/2172-0-0x0000000000C00000-0x0000000000D08000-memory.dmp
memory/2172-2-0x0000000004C20000-0x0000000004C60000-memory.dmp
memory/2172-3-0x0000000000280000-0x000000000028E000-memory.dmp
memory/2172-4-0x0000000000AF0000-0x0000000000B4C000-memory.dmp
memory/2172-5-0x00000000002D0000-0x00000000002E2000-memory.dmp
\Windows\SysWOW64\WindowsInput.exe
| MD5 | e6fcf516d8ed8d0d4427f86e08d0d435 |
| SHA1 | c7691731583ab7890086635cb7f3e4c22ca5e409 |
| SHA256 | 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337 |
| SHA512 | c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e |
C:\Windows\SysWOW64\WindowsInput.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2376-14-0x0000000000A10000-0x0000000000A1C000-memory.dmp
memory/2376-15-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp
memory/2376-16-0x0000000001F70000-0x0000000001FF0000-memory.dmp
memory/2376-19-0x000007FEF6030000-0x000007FEF6A1C000-memory.dmp
memory/2732-21-0x000007FEF5640000-0x000007FEF602C000-memory.dmp
\Windows\inf\recov\RuntimeBroker.exe
| MD5 | ea3c11036577e0bdb1dbc67ca98bbc92 |
| SHA1 | b746e1cd632db045f7905a58bf881ed782984368 |
| SHA256 | aa3ae199c75c9de4e786512071ca909faf2d1b8014c0bcc361990d23d2ffec95 |
| SHA512 | 00e6ab330d91f7ae44b2e684a00ff5df4747bd9006563e0581af65265334cd94104bdd1e319b4a8f085009f726447f2a0e7050da73600b4c3e7a2eaad9194d63 |
C:\Windows\inf\recov\RuntimeBroker.exe
| MD5 | 9701501baef216f9bb1ba360d16a7f0b |
| SHA1 | 6f9cd2190c2e0024e2002524198166aef15d4e14 |
| SHA256 | 56890609fb23d2f3caaab5e2e34e8badbcd420234bf9e33cf9acc757fc797d58 |
| SHA512 | 795c0327cc4c916fdce639e372e6e6d649cca799ad14f2847dc9718fbef297ab2f9fd15f4e87c72cdc7ab8f0a8b166fd218c034f8c7d6306ccc100efafcf1637 |
C:\Windows\INF\recov\RuntimeBroker.exe
| MD5 | b2db56a5ca69d5c1e4296f038e6a34af |
| SHA1 | ffb081bc369b0cbb5b556eeb1a7c4102e6880438 |
| SHA256 | 431cdc0dc5c9213b32a617825e273b4fcbba03e4b02382d47988d84b9c59b9e6 |
| SHA512 | 748a7358e2ff3df6cec1aa57c2a93b1d757f1049c3d65bed9a3627cd54440e936ce6f798e41fba442cc8848336161a288879f1e4c768f697cb7a8baad47579f0 |
C:\Windows\inf\recov\RuntimeBroker.exe
| MD5 | 6e16af94810db40567dbf99592f487c5 |
| SHA1 | de0c5612ba8094860e0841db2960d4a2a69ba25d |
| SHA256 | 78344f5e6169d2fb9a2a62cb053633eb8f2c97fa7496555f08311d1365664d43 |
| SHA512 | 56a2498dcc51aba1ed964f45399c922333ed49618a13d2c984dd8209b9e3f3f15fae62f692fd3fc9fe892cae9dc850902270dd5ec7f8e7b8021c33669867f40e |
memory/2568-33-0x0000000000A80000-0x0000000000B88000-memory.dmp
memory/2172-32-0x0000000074C50000-0x000000007533E000-memory.dmp
memory/2568-34-0x0000000074C50000-0x000000007533E000-memory.dmp
memory/2568-35-0x0000000000A10000-0x0000000000A50000-memory.dmp
memory/2568-36-0x0000000004C00000-0x0000000004C4E000-memory.dmp
memory/2568-37-0x0000000002230000-0x0000000002248000-memory.dmp
C:\Windows\inf\recov\RuntimeBroker.exe
| MD5 | ac911d58b1fe06ccafd6697c665451d4 |
| SHA1 | ded22a883d85fd21d97dd0fc8b75b8e02b200f7e |
| SHA256 | 0dbac1adb12dab36645992c3e54c3e8a1f095694a380562fdfcfa62b5e0dfcde |
| SHA512 | 6dfa086a1a3cf32252b42fd70c6036dca48d75405ad74a2835f1dd608e58049efc7465d6458f36ce027b9a2d7b1c65d5558dabc0a511454aa4b8a061338f67c9 |
memory/2160-39-0x0000000074C50000-0x000000007533E000-memory.dmp
memory/2160-40-0x0000000004930000-0x0000000004970000-memory.dmp
memory/2568-41-0x00000000020E0000-0x00000000020F0000-memory.dmp
memory/2160-45-0x0000000074C50000-0x000000007533E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Steam
| MD5 | 913967b216326e36a08010fb70f9dba3 |
| SHA1 | 7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf |
| SHA256 | 8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a |
| SHA512 | c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33 |
memory/2732-47-0x000007FEF5640000-0x000007FEF602C000-memory.dmp
memory/2568-48-0x0000000074C50000-0x000000007533E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | 2eb8aad31fe78637bd862f61ec0f8259 |
| SHA1 | 7ae36cfa414df4983afd0ffbabfe51d9e001d508 |
| SHA256 | 51b38ff03810c427b0e058b963018c67ffdd043a301caeb3fd4cab6d80b4fb2d |
| SHA512 | 4b355aa05e91c888d4018df48bec3ac391bc6d209adce7f4adb86c2606c8bfc375bc4c2333b7b14e39caaa839e426789840183bd136d12c5f61ca9121acf3f10 |
memory/2568-64-0x0000000000A10000-0x0000000000A50000-memory.dmp
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-19 21:51
Reported
2023-12-20 06:35
Platform
win10v2004-20231215-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
| N/A | N/A | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe.config | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\INF\recov\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File opened for modification | C:\Windows\INF\recov\RuntimeBroker.exe | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
| File created | C:\Windows\INF\recov\RuntimeBroker.exe.config | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings | C:\Windows\INF\recov\RuntimeBroker.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1520 wrote to memory of 4924 | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 1520 wrote to memory of 4924 | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 1520 wrote to memory of 4808 | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | C:\Windows\INF\recov\RuntimeBroker.exe |
| PID 1520 wrote to memory of 4808 | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | C:\Windows\INF\recov\RuntimeBroker.exe |
| PID 1520 wrote to memory of 4808 | N/A | C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe | C:\Windows\INF\recov\RuntimeBroker.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe
"C:\Users\Admin\AppData\Local\Temp\ac911d58b1fe06ccafd6697c665451d4.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
C:\Windows\INF\recov\RuntimeBroker.exe
"C:\Windows\INF\recov\RuntimeBroker.exe"
C:\Windows\INF\recov\RuntimeBroker.exe
C:\Windows\INF\recov\RuntimeBroker.exe
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| N/A | 192.168.178.20:10134 | tcp | |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp | |
| N/A | 192.168.178.20:10134 | tcp | |
| DE | 178.200.180.146:10134 | tcp |
Files
memory/1520-0-0x00000000007F0000-0x00000000008F8000-memory.dmp
memory/1520-1-0x00000000744F0000-0x0000000074CA0000-memory.dmp
memory/1520-2-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/1520-3-0x0000000005260000-0x000000000526E000-memory.dmp
memory/1520-4-0x0000000005270000-0x00000000052CC000-memory.dmp
memory/1520-5-0x0000000005990000-0x0000000005F34000-memory.dmp
memory/1520-6-0x0000000005480000-0x0000000005512000-memory.dmp
memory/1520-7-0x0000000005470000-0x0000000005482000-memory.dmp
memory/1520-8-0x0000000005950000-0x0000000005972000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.exe
| MD5 | e6fcf516d8ed8d0d4427f86e08d0d435 |
| SHA1 | c7691731583ab7890086635cb7f3e4c22ca5e409 |
| SHA256 | 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337 |
| SHA512 | c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e |
C:\Windows\SysWOW64\WindowsInput.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/4924-22-0x00000000009E0000-0x00000000009EC000-memory.dmp
memory/4924-23-0x0000000002A90000-0x0000000002AA2000-memory.dmp
memory/4924-25-0x00007FFEE9230000-0x00007FFEE9CF1000-memory.dmp
memory/4924-24-0x0000000002B20000-0x0000000002B5C000-memory.dmp
memory/4924-26-0x0000000002B10000-0x0000000002B20000-memory.dmp
memory/4924-30-0x00007FFEE9230000-0x00007FFEE9CF1000-memory.dmp
memory/2888-33-0x0000000019FD0000-0x0000000019FE0000-memory.dmp
memory/2888-32-0x00007FFEE9230000-0x00007FFEE9CF1000-memory.dmp
memory/2888-34-0x000000001A530000-0x000000001A63A000-memory.dmp
C:\Windows\INF\recov\RuntimeBroker.exe
| MD5 | 57dfe928653b4c92bc5c0624d57f9d5e |
| SHA1 | 87021a5abe8d84deb95b171b799e182df6e53f14 |
| SHA256 | f3b5894ff729270a0c605e78cb4965f0a41a7502a9473012e9277f1a78b29605 |
| SHA512 | 2492447cd764b2c410336c0b2039209cf9eed053be62a6b67dff637a4d9be718d257d6403e9a0daa02fb7c02dd3e39f71c590c1acfe8f7df34ee53a77a0c492b |
C:\Windows\INF\recov\RuntimeBroker.exe
| MD5 | 12792f50576d27c6da0bfa5a00c47197 |
| SHA1 | a3ca7f13681e70852df2d0ed6d52b603139df28a |
| SHA256 | 3aeabaab99faa31e22bc16055d6fbd30cf3c2235da0bd817510d58c6cfe63f04 |
| SHA512 | b59fff50e4192950aea1cdebd3b885aa60baab8f3c331a8ea6208f7334bdcbf02803256b329689b59070709fee2279f2aa0e556def430b4db2e9e951e69c13f7 |
C:\Windows\INF\recov\RuntimeBroker.exe
| MD5 | a5f6556acbc6d3b2b97306de75defa14 |
| SHA1 | 18e8f35244c8f47e1af597ec2ad7bb4fc9b4cf49 |
| SHA256 | efbc2c5602f198d1ff3966df83a7896278fa69f9244a209f133cc07817d10f42 |
| SHA512 | 931a496b262c524e26c028e1a6a75e15298af08499714c10a4948195df1fc0de5d673cbe8dc8803d0132822d0534de792ec6ea3f644358739dcbd2c610c4b281 |
memory/4808-51-0x00000000744F0000-0x0000000074CA0000-memory.dmp
memory/1520-50-0x00000000744F0000-0x0000000074CA0000-memory.dmp
memory/4808-52-0x0000000005CD0000-0x0000000005CE2000-memory.dmp
memory/4808-53-0x0000000006140000-0x000000000618E000-memory.dmp
memory/4808-55-0x0000000006AC0000-0x0000000006AD8000-memory.dmp
memory/4808-57-0x0000000006CB0000-0x0000000006CC0000-memory.dmp
memory/4808-58-0x0000000006CA0000-0x0000000006CAA000-memory.dmp
memory/3936-56-0x00000000744F0000-0x0000000074CA0000-memory.dmp
C:\Windows\INF\recov\RuntimeBroker.exe
| MD5 | 96f84cad8f8a5f8f502cb22129ea6f60 |
| SHA1 | 2775345645d407fb9b189ca2013b7095a0b2f6f8 |
| SHA256 | d582ec3484dd5a039db898317e607db77acedf87cb070c38999dbcad1cfa27c4 |
| SHA512 | d67f4749abfcc55fdce8ee06268109ae712ae4469a458d8e45722c0b757238a837f7334d51a0b57fe90039f5432e2c816e86d0393826581a632518fda433503a |
memory/3936-63-0x00000000744F0000-0x0000000074CA0000-memory.dmp
memory/2888-64-0x00007FFEE9230000-0x00007FFEE9CF1000-memory.dmp
memory/4808-65-0x00000000744F0000-0x0000000074CA0000-memory.dmp