Analysis Overview
SHA256
18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08
Threat Level: Known bad
The file 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 was found to be: Known bad.
Malicious Activity Summary
SmokeLoader
Deletes itself
Executes dropped EXE
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Checks SCSI registry key(s)
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-19 04:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-19 04:47
Reported
2024-02-19 04:52
Platform
win7-20231215-en
Max time kernel
300s
Max time network
120s
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\efrdrbj | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\efrdrbj | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\efrdrbj | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\efrdrbj | 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 |
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\efrdrbj | 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 1916 wrote to memory of 2144 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\efrdrbj |
| PID 1916 wrote to memory of 2144 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\efrdrbj |
| PID 1916 wrote to memory of 2144 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\efrdrbj |
| PID 1916 wrote to memory of 2144 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\efrdrbj |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe
"C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {1418EED2-CBF2-4FE6-8700-0C4AFB633B93} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\efrdrbj
C:\Users\Admin\AppData\Roaming\efrdrbj
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sjyey.com | udp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
| MK | 95.86.30.3:80 | sjyey.com | tcp |
Files
memory/1984-1-0x0000000000290000-0x0000000000390000-memory.dmp
memory/1984-2-0x00000000001B0000-0x00000000001BB000-memory.dmp
memory/1984-3-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1220-4-0x00000000024C0000-0x00000000024D6000-memory.dmp
memory/1984-5-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Users\Admin\AppData\Roaming\efrdrbj
| MD5 | 91279277b9cc7d43752c76dcaea5fce6 |
| SHA1 | 5411e516c578887602f29e56294e841b854b8b7e |
| SHA256 | 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 |
| SHA512 | 3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696 |
memory/2144-14-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/2144-15-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1220-16-0x0000000002E70000-0x0000000002E86000-memory.dmp
memory/2144-17-0x0000000000400000-0x000000000044B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-19 04:47
Reported
2024-02-19 04:52
Platform
win10-20240214-en
Max time kernel
300s
Max time network
293s
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\gertgcd | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| 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\gertgcd | N/A |
| Key queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gertgcd | N/A |
| Key enumerated | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Roaming\gertgcd | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI | C:\Users\Admin\AppData\Local\Temp\18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08.exe | 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\gertgcd | 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\gertgcd
C:\Users\Admin\AppData\Roaming\gertgcd
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | sjyey.com | udp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 166.51.233.151.in-addr.arpa | udp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| IR | 151.233.51.166:80 | sjyey.com | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/2836-1-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/2836-2-0x00000000004B0000-0x00000000004BB000-memory.dmp
memory/2836-3-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3396-4-0x0000000001090000-0x00000000010A6000-memory.dmp
memory/2836-5-0x0000000000400000-0x000000000044B000-memory.dmp
C:\Users\Admin\AppData\Roaming\gertgcd
| MD5 | 91279277b9cc7d43752c76dcaea5fce6 |
| SHA1 | 5411e516c578887602f29e56294e841b854b8b7e |
| SHA256 | 18d4c4325fa3930646e04f03a812ccc0c3b8907297db98317bde5a77fed7ea08 |
| SHA512 | 3f4fbd59734f694ce2079ac10769d34366ec3d376f166c406acda9dc71bfa203e1a958e96bd218c6b6c1f47c12600c4bfc137675b6b2d297eed2107c80064696 |
memory/348-14-0x00000000006C0000-0x00000000007C0000-memory.dmp
memory/348-15-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3396-16-0x0000000002C30000-0x0000000002C46000-memory.dmp
memory/348-19-0x0000000000400000-0x000000000044B000-memory.dmp