Analysis Overview
SHA256
7fb468df5b46d1eb0f26e737c515a5a10794b84c9193628efb71c9c32fe8edc1
Threat Level: Known bad
The file Swiftfn.exe was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
AsyncRat
Async RAT payload
Async RAT payload
Checks computer location settings
Executes dropped EXE
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Uses Task Scheduler COM API
Delays execution with timeout.exe
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-30 21:52
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-30 21:52
Reported
2023-04-30 21:55
Platform
win7-20230220-en
Max time kernel
155s
Max time network
167s
Command Line
Signatures
AsyncRat
Async RAT 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe
"C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"' & exit
C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpA130.tmp.bat""
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"'
C:\Windows\system32\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | dom45x.duckdns.org | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 8.8.8.8:53 | dom45x.duckdns.org | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
Files
memory/1420-54-0x0000000000E30000-0x0000000000E42000-memory.dmp
memory/1420-55-0x000000001B050000-0x000000001B0D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpA130.tmp.bat
| MD5 | f094e24751b4c554bbcb22503eab8a64 |
| SHA1 | 2038a1f5191aa89f678ae8933609ea5cd1e29f50 |
| SHA256 | 3a71c41188456cd163735c604682a73582f9d6256a3799a1899dc65d702673bb |
| SHA512 | 041f8ed6f34af770c66a7dd7460f7da4bb5f7df7de5aab35aa7b8c9eab8ad7e56f3b5f0b3dffcfd493406705159f00382d6a2ea805b16b42da8b88c6ac83f332 |
C:\Users\Admin\AppData\Local\Temp\tmpA130.tmp.bat
| MD5 | f094e24751b4c554bbcb22503eab8a64 |
| SHA1 | 2038a1f5191aa89f678ae8933609ea5cd1e29f50 |
| SHA256 | 3a71c41188456cd163735c604682a73582f9d6256a3799a1899dc65d702673bb |
| SHA512 | 041f8ed6f34af770c66a7dd7460f7da4bb5f7df7de5aab35aa7b8c9eab8ad7e56f3b5f0b3dffcfd493406705159f00382d6a2ea805b16b42da8b88c6ac83f332 |
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
| MD5 | 25d7952b3e8c9f0872ecf4f099cea1a2 |
| SHA1 | 976e307d3fc015452e70acd29ebddef0d8823fac |
| SHA256 | 7fb468df5b46d1eb0f26e737c515a5a10794b84c9193628efb71c9c32fe8edc1 |
| SHA512 | f81102833efd450be231d238f3065cf3d5cb9ae6c60f0a4e6b057ffd4c78a2767b0fd8aff54e0bb08ebdf5b5da293f622e68c4874776f0fa25adfd639ca4f3eb |
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
| MD5 | 25d7952b3e8c9f0872ecf4f099cea1a2 |
| SHA1 | 976e307d3fc015452e70acd29ebddef0d8823fac |
| SHA256 | 7fb468df5b46d1eb0f26e737c515a5a10794b84c9193628efb71c9c32fe8edc1 |
| SHA512 | f81102833efd450be231d238f3065cf3d5cb9ae6c60f0a4e6b057ffd4c78a2767b0fd8aff54e0bb08ebdf5b5da293f622e68c4874776f0fa25adfd639ca4f3eb |
memory/1060-68-0x0000000000B90000-0x0000000000BA2000-memory.dmp
memory/1060-69-0x000000001B0F0000-0x000000001B170000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
| MD5 | e71c8443ae0bc2e282c73faead0a6dd3 |
| SHA1 | 0c110c1b01e68edfacaeae64781a37b1995fa94b |
| SHA256 | 95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72 |
| SHA512 | b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6 |
C:\Users\Admin\AppData\Local\Temp\Tar6447.tmp
| MD5 | be2bec6e8c5653136d3e72fe53c98aa3 |
| SHA1 | a8182d6db17c14671c3d5766c72e58d87c0810de |
| SHA256 | 1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd |
| SHA512 | 0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff |
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-30 21:52
Reported
2023-04-30 21:55
Platform
win10v2004-20230220-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
AsyncRat
Async RAT 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\taskmgr.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\7E04DE896A3E666D00E687D33FFAD93BE83D349E | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\7E04DE896A3E666D00E687D33FFAD93BE83D349E\Blob = 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 | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Runtime Broker.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe
"C:\Users\Admin\AppData\Local\Temp\Swiftfn.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDDE1.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "Runtime Broker" /tr '"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"'
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
Network
| Country | Destination | Domain | Proto |
| RU | 193.3.19.154:80 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 192.229.211.108:80 | tcp | |
| US | 8.8.8.8:53 | dom45x.duckdns.org | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 8.8.8.8:53 | 36.43.235.68.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cxcs.microsoft.net | udp |
| US | 204.79.197.200:443 | www.bing.com | tcp |
| NL | 23.222.35.131:443 | cxcs.microsoft.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 131.35.222.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 13.89.179.8:443 | tcp | |
| IE | 20.54.89.15:443 | tcp | |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 117.18.232.240:80 | tcp | |
| US | 117.18.232.240:80 | tcp | |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | api.msn.com | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 8.8.8.8:53 | 64.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dom45x.duckdns.org | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 209.197.3.8:80 | tcp | |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 8.8.8.8:53 | dom45x.duckdns.org | udp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
| US | 68.235.43.36:62180 | dom45x.duckdns.org | tcp |
Files
memory/1820-133-0x0000000000850000-0x0000000000862000-memory.dmp
memory/1820-134-0x000000001BF90000-0x000000001BFA0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpDDE1.tmp.bat
| MD5 | 790a6381e2ecbda785cbd8c83e2c6ac3 |
| SHA1 | 81520165554b05e4b57a7361e62726795d891019 |
| SHA256 | 2c9a846d04fefaeaa6cc26498514b2594f299b33e617b4a385a37453c7092015 |
| SHA512 | 4be5d4b1ea824d998c725ca683a68f4ad479b0d00cd543385b077649ea9a4e8a8b4bddb20da2db6caf3d56ce9000996f5cb4476e7ea4e01c4559b4082f5b2007 |
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
| MD5 | 25d7952b3e8c9f0872ecf4f099cea1a2 |
| SHA1 | 976e307d3fc015452e70acd29ebddef0d8823fac |
| SHA256 | 7fb468df5b46d1eb0f26e737c515a5a10794b84c9193628efb71c9c32fe8edc1 |
| SHA512 | f81102833efd450be231d238f3065cf3d5cb9ae6c60f0a4e6b057ffd4c78a2767b0fd8aff54e0bb08ebdf5b5da293f622e68c4874776f0fa25adfd639ca4f3eb |
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe
| MD5 | 25d7952b3e8c9f0872ecf4f099cea1a2 |
| SHA1 | 976e307d3fc015452e70acd29ebddef0d8823fac |
| SHA256 | 7fb468df5b46d1eb0f26e737c515a5a10794b84c9193628efb71c9c32fe8edc1 |
| SHA512 | f81102833efd450be231d238f3065cf3d5cb9ae6c60f0a4e6b057ffd4c78a2767b0fd8aff54e0bb08ebdf5b5da293f622e68c4874776f0fa25adfd639ca4f3eb |
memory/4452-143-0x000000001B9F0000-0x000000001BA00000-memory.dmp
memory/4212-144-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-145-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-146-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-150-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-156-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-155-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-154-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-153-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-152-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4212-151-0x000001F569DE0000-0x000001F569DE1000-memory.dmp
memory/4452-157-0x000000001B9F0000-0x000000001BA00000-memory.dmp
memory/4212-158-0x000001F56ADD0000-0x000001F56AF79000-memory.dmp
memory/4212-162-0x000001F56ADD0000-0x000001F56AF79000-memory.dmp