Analysis Overview
SHA256
fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934
Threat Level: Known bad
The file fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Loads dropped DLL
Suspicious use of SetThreadContext
Unsigned PE
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-22 16:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-22 16:53
Reported
2024-04-22 16:56
Platform
win7-20231129-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
SmokeLoader
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2024 set thread context of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe
"C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe"
C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe
"C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
Network
Files
memory/2656-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2024-1-0x0000000000500000-0x0000000000600000-memory.dmp
memory/2656-4-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2656-5-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2656-7-0x0000000000400000-0x000000000040C000-memory.dmp
\Users\Admin\AppData\Local\Temp\4DD3.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/1204-10-0x0000000002D70000-0x0000000002D71000-memory.dmp
memory/1204-11-0x0000000002D50000-0x0000000002D67000-memory.dmp
memory/2656-12-0x0000000000400000-0x000000000040C000-memory.dmp
memory/1204-14-0x0000000002D70000-0x0000000002D71000-memory.dmp
memory/1204-15-0x0000000002D50000-0x0000000002D67000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-22 16:53
Reported
2024-04-22 16:56
Platform
win10v2004-20240412-en
Max time kernel
139s
Max time network
139s
Command Line
Signatures
SmokeLoader
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4340 set thread context of 3412 | N/A | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe
"C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe"
C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe
"C:\Users\Admin\AppData\Local\Temp\fc20b03299b8ae91e72e104ee4f18e40125b2b061f1509d1c5b3f9fac3104934.exe"
C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.2.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.221.208.4.in-addr.arpa | udp |
| CZ | 23.212.110.203:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.110.212.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| 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 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4340-1-0x0000000000520000-0x0000000000620000-memory.dmp
memory/3412-3-0x0000000000400000-0x000000000040C000-memory.dmp
memory/3412-4-0x0000000000400000-0x000000000040C000-memory.dmp
memory/3412-2-0x0000000000400000-0x000000000040C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\4DD3.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/3412-8-0x0000000000400000-0x000000000040C000-memory.dmp