Analysis Overview
SHA256
a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c
Threat Level: Known bad
The file Falcon.exe was found to be: Known bad.
Malicious Activity Summary
BitRAT
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-25 01:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-25 01:30
Reported
2024-05-25 01:34
Platform
win7-20240215-en
Max time kernel
141s
Max time network
136s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\"" | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2488 set thread context of 8644 | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | C:\Users\Admin\AppData\Local\Temp\Falcon.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
"C:\Users\Admin\AppData\Local\Temp\Falcon.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Ntuser.exe'
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
Network
| Country | Destination | Domain | Proto |
| US | 23.105.131.195:49645 | tcp | |
| US | 23.105.131.195:49645 | tcp | |
| US | 23.105.131.195:49645 | tcp | |
| US | 23.105.131.195:49645 | tcp |
Files
memory/2488-0-0x000000007496E000-0x000000007496F000-memory.dmp
memory/2488-1-0x00000000013E0000-0x00000000015FC000-memory.dmp
memory/2488-2-0x0000000074960000-0x000000007504E000-memory.dmp
memory/2488-3-0x00000000086E0000-0x00000000088EA000-memory.dmp
memory/2488-4-0x00000000002F0000-0x000000000035A000-memory.dmp
memory/2488-68-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-66-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-64-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-62-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-60-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-58-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-56-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-54-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-52-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-50-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-48-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-46-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-44-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-42-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-40-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-38-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-36-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-34-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-32-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-30-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-28-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-26-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-24-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-22-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-20-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-18-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-16-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-14-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-12-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-10-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-8-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-6-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-5-0x00000000002F0000-0x0000000000353000-memory.dmp
memory/2488-1819-0x0000000074960000-0x000000007504E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs
| MD5 | 24131be6e84c424a31423a9daa683b01 |
| SHA1 | 38ae56938aa4fd963f066287b4190c929388e074 |
| SHA256 | 1fe2a89a827cbe4ef046ca27f4d38c1ef1fbe889901f3946a4b7e1d4005cbde7 |
| SHA512 | 5e0cb79ec9ed8836570393060e0b0f55b1a1a0446922e988913ed4ea4d67567a3a04e7d3a77c73dce596bd0eae530d07f0d2cf0f9cdf6b96001e1737d158704f |
memory/2488-1842-0x0000000074960000-0x000000007504E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-25 01:30
Reported
2024-05-25 01:34
Platform
win10v2004-20240426-en
Max time kernel
144s
Max time network
146s
Command Line
Signatures
BitRAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\"" | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4540 set thread context of 7060 | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | C:\Users\Admin\AppData\Local\Temp\Falcon.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Falcon.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
"C:\Users\Admin\AppData\Local\Temp\Falcon.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
C:\Users\Admin\AppData\Local\Temp\Falcon.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Ntuser.exe'
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 23.105.131.195:49645 | tcp | |
| US | 23.105.131.195:49645 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 23.105.131.195:49645 | tcp | |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 23.105.131.195:49645 | tcp |
Files
memory/4540-0-0x000000007453E000-0x000000007453F000-memory.dmp
memory/4540-1-0x0000000000660000-0x000000000087C000-memory.dmp
memory/4540-2-0x0000000005900000-0x0000000005EA4000-memory.dmp
memory/4540-3-0x0000000005260000-0x00000000052F2000-memory.dmp
memory/4540-4-0x0000000005310000-0x000000000531A000-memory.dmp
memory/4540-5-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/4540-6-0x000000007453E000-0x000000007453F000-memory.dmp
memory/4540-7-0x0000000006B90000-0x0000000006D9A000-memory.dmp
memory/4540-8-0x0000000004CB0000-0x0000000004D1A000-memory.dmp
memory/4540-24-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-72-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-70-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-69-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-66-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-62-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-58-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-54-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-50-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-46-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-44-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-40-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-36-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-34-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-32-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-30-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-28-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-26-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-22-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-20-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-18-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-16-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-14-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-12-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-64-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-10-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-60-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-56-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-52-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-48-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-42-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-38-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-9-0x0000000004CB0000-0x0000000004D13000-memory.dmp
memory/4540-1823-0x0000000074530000-0x0000000074CE0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs
| MD5 | 24131be6e84c424a31423a9daa683b01 |
| SHA1 | 38ae56938aa4fd963f066287b4190c929388e074 |
| SHA256 | 1fe2a89a827cbe4ef046ca27f4d38c1ef1fbe889901f3946a4b7e1d4005cbde7 |
| SHA512 | 5e0cb79ec9ed8836570393060e0b0f55b1a1a0446922e988913ed4ea4d67567a3a04e7d3a77c73dce596bd0eae530d07f0d2cf0f9cdf6b96001e1737d158704f |
memory/7060-1833-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4540-1834-0x0000000074530000-0x0000000074CE0000-memory.dmp
memory/7100-1835-0x0000000002A70000-0x0000000002AA6000-memory.dmp
memory/7100-1836-0x0000000005560000-0x0000000005B88000-memory.dmp
memory/7100-1839-0x0000000005CF0000-0x0000000005D56000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0rixae2v.pit.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/7100-1838-0x0000000005C80000-0x0000000005CE6000-memory.dmp
memory/7100-1849-0x0000000005E90000-0x00000000061E4000-memory.dmp
memory/7100-1837-0x0000000005BE0000-0x0000000005C02000-memory.dmp
memory/7100-1850-0x0000000006370000-0x000000000638E000-memory.dmp
memory/7100-1851-0x0000000006420000-0x000000000646C000-memory.dmp
memory/7100-1853-0x00000000703D0000-0x000000007041C000-memory.dmp
memory/7100-1864-0x00000000073A0000-0x0000000007443000-memory.dmp
memory/7100-1863-0x0000000007380000-0x000000000739E000-memory.dmp
memory/7100-1852-0x0000000006940000-0x0000000006972000-memory.dmp
memory/7100-1866-0x00000000076A0000-0x00000000076BA000-memory.dmp
memory/7100-1865-0x0000000007CE0000-0x000000000835A000-memory.dmp
memory/7100-1867-0x0000000007700000-0x000000000770A000-memory.dmp
memory/7100-1868-0x0000000007930000-0x00000000079C6000-memory.dmp
memory/7100-1869-0x00000000078A0000-0x00000000078B1000-memory.dmp
memory/7100-1870-0x00000000078D0000-0x00000000078DE000-memory.dmp
memory/7100-1871-0x00000000078E0000-0x00000000078F4000-memory.dmp
memory/7100-1873-0x0000000007920000-0x0000000007928000-memory.dmp
memory/7100-1872-0x00000000079F0000-0x0000000007A0A000-memory.dmp
memory/7060-1877-0x0000000074440000-0x0000000074479000-memory.dmp
memory/7060-1885-0x00000000747C0000-0x00000000747F9000-memory.dmp
memory/7060-1886-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/7060-1889-0x00000000747C0000-0x00000000747F9000-memory.dmp
memory/7060-1892-0x00000000747C0000-0x00000000747F9000-memory.dmp
memory/7060-1895-0x00000000747C0000-0x00000000747F9000-memory.dmp