Analysis Overview
SHA256
b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df
Threat Level: Known bad
The file b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df was found to be: Known bad.
Malicious Activity Summary
Blackmoon family
Detect Blackmoon payload
UPX packed file
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-06 07:30
Signatures
Blackmoon family
Detect Blackmoon payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-06 07:30
Reported
2024-06-06 07:33
Platform
win7-20240221-en
Max time kernel
120s
Max time network
125s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Dult.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1340 wrote to memory of 2668 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df.dll,#1
Network
Files
memory/2668-0-0x00000000001C0000-0x00000000001D9000-memory.dmp
memory/2668-1-0x00000000001C0000-0x00000000001D9000-memory.dmp
memory/2668-3-0x00000000001C0000-0x00000000001D9000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-06 07:30
Reported
2024-06-06 07:33
Platform
win10v2004-20240426-en
Max time kernel
93s
Max time network
122s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Dult.dll | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3496 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3496 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3496 wrote to memory of 1896 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7ffabf8b6f922b5189f66a02ec733e07d46a3d32f700fa04c3f78672c4714df.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
Files
memory/1896-0-0x0000000002000000-0x0000000002019000-memory.dmp
memory/1896-2-0x0000000002000000-0x0000000002019000-memory.dmp
memory/1896-3-0x0000000002000000-0x0000000002019000-memory.dmp