Analysis Overview
SHA256
96845909bbac1b9dc17b3561090872738015abfce91bc5217c367dc2c1327f20
Threat Level: Known bad
The file file.exe was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Downloads MZ/PE file
Deletes itself
Executes dropped EXE
Loads dropped DLL
Drops startup file
Enumerates physical storage devices
Program crash
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-01 10:35
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-01 10:35
Reported
2024-02-01 10:37
Platform
win7-20231129-en
Max time kernel
150s
Max time network
118s
Command Line
Signatures
SmokeLoader
Downloads MZ/PE file
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk | C:\Users\Admin\AppData\Local\Temp\9695.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1304 wrote to memory of 2768 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe |
| PID 1304 wrote to memory of 2768 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe |
| PID 1304 wrote to memory of 2768 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe |
| PID 1304 wrote to memory of 2768 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe |
| PID 2768 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
| PID 2768 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
| PID 2768 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
| PID 2768 wrote to memory of 2532 | N/A | C:\Users\Admin\AppData\Local\Temp\9695.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Users\Admin\AppData\Local\Temp\9695.exe
C:\Users\Admin\AppData\Local\Temp\9695.exe
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sjyey.com | udp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | emgvod.com | udp |
| KR | 211.168.53.110:80 | emgvod.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
| BR | 179.153.102.52:80 | sjyey.com | tcp |
Files
memory/2248-1-0x0000000002BB0000-0x0000000002CB0000-memory.dmp
memory/2248-2-0x0000000000400000-0x0000000002B07000-memory.dmp
memory/2248-3-0x0000000000220000-0x000000000022B000-memory.dmp
memory/1304-4-0x00000000024E0000-0x00000000024F6000-memory.dmp
memory/2248-5-0x0000000000400000-0x0000000002B07000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\9695.exe
| MD5 | 06fad45002385c2b1062998e6d840e54 |
| SHA1 | 4c598a9fd8f4768bfcc83a2b43effa1387050003 |
| SHA256 | fe089e2de5573a6e56ca69768894bffa6cfe9d2db226edd6ebd75a221d044611 |
| SHA512 | 4917ea1585e746ad3f105589768a506f48c24d15bc88fe3a65419d7b5fee1f7af1fb06d5746a9a8982ce81de97f668eb24bbf53e45637f5c3e83dc95dd7f3f8f |
memory/2768-20-0x0000000002C80000-0x0000000002D80000-memory.dmp
memory/2768-21-0x0000000000330000-0x00000000003C1000-memory.dmp
memory/2768-35-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/2768-33-0x0000000000400000-0x0000000002B72000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk
| MD5 | 990b0fb08453280b7e6f4878473f4068 |
| SHA1 | eca59f741c8dbf21b1352b8fe6707758b17ae0be |
| SHA256 | 3f96f7fd3968af1ef968ed7deefa02ec7154dc7f548d99153acd3b696fce9a7d |
| SHA512 | 32ff9a6c633bf4ddd38f10a8849e9a0b82fe86e3c87594d5577f818ca8288cd34c20c2fe82ab4ad3523e157e733eec3b6728fb6a8c0307a25e652963a14e972a |
memory/2532-37-0x0000000002C40000-0x0000000002D40000-memory.dmp
memory/2532-38-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/2532-41-0x0000000002C40000-0x0000000002D40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-01 10:35
Reported
2024-02-01 10:37
Platform
win10v2004-20231215-en
Max time kernel
152s
Max time network
157s
Command Line
Signatures
SmokeLoader
Downloads MZ/PE file
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk | C:\Users\Admin\AppData\Local\Temp\B83F.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\B83F.exe |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
| Token: SeCreatePagefilePrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3512 wrote to memory of 3792 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe |
| PID 3512 wrote to memory of 3792 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe |
| PID 3512 wrote to memory of 3792 | N/A | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe |
| PID 3792 wrote to memory of 8 | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
| PID 3792 wrote to memory of 8 | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
| PID 3792 wrote to memory of 8 | N/A | C:\Users\Admin\AppData\Local\Temp\B83F.exe | C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Users\Admin\AppData\Local\Temp\B83F.exe
C:\Users\Admin\AppData\Local\Temp\B83F.exe
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3792 -ip 3792
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 1000
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sjyey.com | udp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 111.84.119.211.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | emgvod.com | udp |
| PE | 190.12.87.61:80 | emgvod.com | tcp |
| US | 8.8.8.8:53 | 61.87.12.190.in-addr.arpa | udp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| KR | 211.119.84.111:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/5068-1-0x0000000002C70000-0x0000000002D70000-memory.dmp
memory/5068-2-0x0000000004710000-0x000000000471B000-memory.dmp
memory/5068-3-0x0000000000400000-0x0000000002B07000-memory.dmp
memory/3512-4-0x00000000022A0000-0x00000000022B6000-memory.dmp
memory/5068-5-0x0000000000400000-0x0000000002B07000-memory.dmp
memory/5068-8-0x0000000004710000-0x000000000471B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\B83F.exe
| MD5 | 06fad45002385c2b1062998e6d840e54 |
| SHA1 | 4c598a9fd8f4768bfcc83a2b43effa1387050003 |
| SHA256 | fe089e2de5573a6e56ca69768894bffa6cfe9d2db226edd6ebd75a221d044611 |
| SHA512 | 4917ea1585e746ad3f105589768a506f48c24d15bc88fe3a65419d7b5fee1f7af1fb06d5746a9a8982ce81de97f668eb24bbf53e45637f5c3e83dc95dd7f3f8f |
memory/3792-18-0x0000000002C90000-0x0000000002D90000-memory.dmp
memory/3792-19-0x0000000004780000-0x0000000004811000-memory.dmp
memory/3792-21-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/8-29-0x0000000002E00000-0x0000000002F00000-memory.dmp
memory/8-30-0x0000000004800000-0x0000000004891000-memory.dmp
memory/3792-31-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/8-32-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/8-36-0x0000000002E00000-0x0000000002F00000-memory.dmp