Analysis Overview
SHA256
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548
Threat Level: Known bad
The file 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe was found to be: Known bad.
Malicious Activity Summary
Asyncrat family
Detects file containing reversed ASEP Autorun registry keys
AsyncRat
Async RAT payload
Detects file containing reversed ASEP Autorun registry keys
Async RAT payload
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-29 01:38
Signatures
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Asyncrat family
Detects file containing reversed ASEP Autorun registry keys
| 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
2024-06-29 01:38
Reported
2024-06-29 01:41
Platform
win7-20240611-en
Max time kernel
150s
Max time network
156s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects file containing reversed ASEP Autorun registry keys
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe
"C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp88A0.tmp.bat""
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:6606 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| SY | 94.232.249.111:7707 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| SY | 94.232.249.111:8808 | tcp |
Files
memory/2160-0-0x000000007451E000-0x000000007451F000-memory.dmp
memory/2160-1-0x00000000003D0000-0x00000000003E2000-memory.dmp
memory/2160-2-0x0000000074510000-0x0000000074BFE000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp88A0.tmp.bat
| MD5 | a7f98df4d007e31e49d2ecea38fdea11 |
| SHA1 | 70d1c881f11f8594dab5fd92260313680fa369f8 |
| SHA256 | 7653a78c617b41e6e647212e53f7ea48ce6a0ca3532ab0630007e5dd869d0191 |
| SHA512 | 72e48456ec1d3cd41b0c11c28d20ef62e1129b63efbdc6aad7e70a8a514f8e072e0990832d46c92917ca92dfd95b1a2085fdb77e71a8fb676812ed087de963ad |
memory/2160-11-0x0000000074510000-0x0000000074BFE000-memory.dmp
\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 6d13d147a209e3be044035f0c03b7bde |
| SHA1 | 1eb5fb487ea7742ff1766ca5bf1b7191cfcf6283 |
| SHA256 | 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548 |
| SHA512 | a159d09265fa833afddce5fe7fab6d4be0fc37fd4c2e0d1a15851427764ad3c068249ba28d000a076209d017cb65e4320752ac7a3a0314239d836f1e15ae39a9 |
memory/2784-16-0x0000000001150000-0x0000000001162000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-29 01:38
Reported
2024-06-29 01:40
Platform
win10v2004-20240611-en
Max time kernel
136s
Max time network
151s
Command Line
Signatures
AsyncRat
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects file containing reversed ASEP Autorun registry keys
| Description | Indicator | Process | Target |
| 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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe
"C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4CA9.tmp.bat""
C:\Windows\SysWOW64\timeout.exe
timeout 3
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.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 |
| BE | 23.41.178.51:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 51.178.41.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:7707 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| SY | 94.232.249.111:8808 | tcp | |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:6606 | tcp | |
| SY | 94.232.249.111:7707 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| N/A | 127.0.0.1:7707 | tcp | |
| SY | 94.232.249.111:8808 | tcp | |
| SY | 94.232.249.111:8808 | tcp |
Files
memory/4352-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp
memory/4352-1-0x00000000003E0000-0x00000000003F2000-memory.dmp
memory/4352-2-0x0000000074A00000-0x00000000751B0000-memory.dmp
memory/4352-3-0x0000000004D00000-0x0000000004D9C000-memory.dmp
memory/4352-8-0x0000000074A00000-0x00000000751B0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp4CA9.tmp.bat
| MD5 | b6290a166a35093925f84a9f483b5fc9 |
| SHA1 | a220267a4a2f584ae31b63ad46afd432688be9df |
| SHA256 | 4285b3660aab3e83bdfc2b85d8430f331345de44568ac9771328d4e43b0f0056 |
| SHA512 | 23d896b61304ecd81cbd1321c6834830894af019cf39b06c360369a5e2d6831abb8d1df0f863810fabcff8f3b0ca1c71805a5ecd28e43008a464b241c635e340 |
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 6d13d147a209e3be044035f0c03b7bde |
| SHA1 | 1eb5fb487ea7742ff1766ca5bf1b7191cfcf6283 |
| SHA256 | 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548 |
| SHA512 | a159d09265fa833afddce5fe7fab6d4be0fc37fd4c2e0d1a15851427764ad3c068249ba28d000a076209d017cb65e4320752ac7a3a0314239d836f1e15ae39a9 |
memory/1240-13-0x0000000074970000-0x0000000075120000-memory.dmp
memory/1240-14-0x0000000074970000-0x0000000075120000-memory.dmp