Analysis Overview
SHA256
18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08
Threat Level: Known bad
The file 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Executes dropped EXE
Deletes itself
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-21 04:49
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-21 04:49
Reported
2024-02-21 04:54
Platform
win7-20240215-en
Max time kernel
300s
Max time network
122s
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\sawfagw | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\sawfagw | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\sawfagw | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\sawfagw | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\sawfagw | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | N/A | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2632 wrote to memory of 2416 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\sawfagw |
| PID 2632 wrote to memory of 2416 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\sawfagw |
| PID 2632 wrote to memory of 2416 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\sawfagw |
| PID 2632 wrote to memory of 2416 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\sawfagw |
Processes
C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe
"C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {9DD027B0-3EDC-40B4-9851-84CC2ED3781F} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\sawfagw
C:\Users\Admin\AppData\Roaming\sawfagw
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sjyey.com | udp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
| CO | 186.147.159.149:80 | sjyey.com | tcp |
Files
memory/2908-1-0x00000000005E0000-0x00000000006E0000-memory.dmp
memory/2908-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2908-3-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1156-4-0x0000000002DF0000-0x0000000002E06000-memory.dmp
memory/2908-5-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Users\Admin\AppData\Roaming\sawfagw
| MD5 | 91279277b9cc7d43752c76dcaea5fce6 |
| SHA1 | 5411e516c578887602f29e56294e841b854b8b7e |
| SHA256 | 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 |
| SHA512 | 3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696 |
memory/2416-14-0x00000000005C0000-0x00000000006C0000-memory.dmp
memory/2416-15-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1156-16-0x0000000003D60000-0x0000000003D76000-memory.dmp
memory/2416-17-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-21 04:49
Reported
2024-02-21 04:54
Platform
win10-20240214-en
Max time kernel
300s
Max time network
297s
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\juvwihb | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\juvwihb | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\juvwihb | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\juvwihb | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
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Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\juvwihb | 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\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe
"C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe"
C:\Users\Admin\AppData\Roaming\juvwihb
C:\Users\Admin\AppData\Roaming\juvwihb
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sjyey.com | udp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 90.148.151.58.in-addr.arpa | udp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| KR | 58.151.148.90:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
Files
memory/4660-1-0x0000000000630000-0x0000000000730000-memory.dmp
memory/4660-2-0x0000000000580000-0x000000000058B000-memory.dmp
memory/4660-3-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3352-4-0x0000000001330000-0x0000000001346000-memory.dmp
memory/4660-5-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Users\Admin\AppData\Roaming\juvwihb
| MD5 | 91279277b9cc7d43752c76dcaea5fce6 |
| SHA1 | 5411e516c578887602f29e56294e841b854b8b7e |
| SHA256 | 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 |
| SHA512 | 3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696 |
memory/4328-14-0x00000000007B0000-0x00000000008B0000-memory.dmp
memory/4328-15-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3352-16-0x0000000003100000-0x0000000003116000-memory.dmp
memory/4328-19-0x0000000000400000-0x000000000044B000-memory.dmp