Analysis Overview
SHA256
1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642
Threat Level: Known bad
The file 1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Deletes itself
Executes dropped EXE
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-22 04:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-22 04:47
Reported
2024-02-22 04:52
Platform
win7-20240220-en
Max time kernel
300s
Max time network
121s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cdjswab | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\cdjswab | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\cdjswab | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\cdjswab | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\cdjswab | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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 348 wrote to memory of 2792 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\cdjswab |
| PID 348 wrote to memory of 2792 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\cdjswab |
| PID 348 wrote to memory of 2792 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\cdjswab |
| PID 348 wrote to memory of 2792 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\cdjswab |
Processes
C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe
"C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {B1F5BD5C-BD82-49D5-A8B3-9FA3A63BBB4C} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\cdjswab
C:\Users\Admin\AppData\Roaming\cdjswab
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sjyey.com | udp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
| PA | 190.219.136.87:80 | sjyey.com | tcp |
Files
memory/2292-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp
memory/2292-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2292-3-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/1208-4-0x0000000002D40000-0x0000000002D56000-memory.dmp
memory/2292-5-0x0000000000400000-0x0000000002D35000-memory.dmp
C:\Users\Admin\AppData\Roaming\cdjswab
| MD5 | 24e4c36f839b0e30e8bdad2571403918 |
| SHA1 | bb1132c794c8cd67aff3cd78ea0c00296cb0bdcf |
| SHA256 | 1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642 |
| SHA512 | 2cd0abfcfb774856a6b7dbe094e18fee19ca4a814448ddec9388442471bac75299de89fe46ad17950e970403babafb3cbd43e62e003a513621842be87f19db40 |
memory/2792-14-0x00000000002D0000-0x00000000003D0000-memory.dmp
memory/2792-15-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/1208-16-0x0000000002EF0000-0x0000000002F06000-memory.dmp
memory/2792-17-0x0000000000400000-0x0000000002D35000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-22 04:47
Reported
2024-02-22 04:52
Platform
win10-20240214-en
Max time kernel
300s
Max time network
280s
Command Line
Signatures
SmokeLoader
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\fvtwdij | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\fvtwdij | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\fvtwdij | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\fvtwdij | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\fvtwdij | 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 |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe
"C:\Users\Admin\AppData\Local\Temp\1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642.exe"
C:\Users\Admin\AppData\Roaming\fvtwdij
C:\Users\Admin\AppData\Roaming\fvtwdij
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | sjyey.com | udp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 212.60.195.190.in-addr.arpa | udp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| AR | 190.195.60.212:80 | sjyey.com | tcp |
| NL | 52.111.243.30:443 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
Files
memory/1136-1-0x0000000002F40000-0x0000000003040000-memory.dmp
memory/1136-2-0x0000000002E70000-0x0000000002E7B000-memory.dmp
memory/1136-3-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/3296-4-0x0000000001040000-0x0000000001056000-memory.dmp
memory/1136-5-0x0000000000400000-0x0000000002D35000-memory.dmp
C:\Users\Admin\AppData\Roaming\fvtwdij
| MD5 | 24e4c36f839b0e30e8bdad2571403918 |
| SHA1 | bb1132c794c8cd67aff3cd78ea0c00296cb0bdcf |
| SHA256 | 1cce3920d92add36243abaa69056c5fbbdb5ed05af6c379ae1a6f1b28c2e8642 |
| SHA512 | 2cd0abfcfb774856a6b7dbe094e18fee19ca4a814448ddec9388442471bac75299de89fe46ad17950e970403babafb3cbd43e62e003a513621842be87f19db40 |
memory/2068-14-0x0000000002D60000-0x0000000002E60000-memory.dmp
memory/2068-15-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/3296-16-0x0000000002950000-0x0000000002966000-memory.dmp
memory/2068-19-0x0000000000400000-0x0000000002D35000-memory.dmp