Analysis Overview
SHA256
a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850
Threat Level: Known bad
The file a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850 was found to be: Known bad.
Malicious Activity Summary
DarkSide
UPX packed file
Modifies extensions of user files
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2021-11-25 14:35
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2021-11-25 14:35
Reported
2021-11-25 14:37
Platform
win7-en-20211014
Max time kernel
121s
Max time network
121s
Command Line
Signatures
DarkSide
Modifies extensions of user files
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1100 wrote to memory of 1752 | N/A | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | C:\Windows\system32\cipher.exe |
| PID 1100 wrote to memory of 1752 | N/A | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | C:\Windows\system32\cipher.exe |
| PID 1100 wrote to memory of 1752 | N/A | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | C:\Windows\system32\cipher.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe
"C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe"
C:\Windows\system32\cipher.exe
cipher.exe /w:C:\
Network
Files
memory/1752-55-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-11-25 14:35
Reported
2021-11-25 14:37
Platform
win10-en-20211104
Max time kernel
124s
Max time network
127s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\Pictures\SaveOpen.crw.decaf | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\WatchGrant.tiff | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | N/A |
| File created | C:\Users\Admin\Pictures\WatchGrant.tiff.decaf | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3932 wrote to memory of 4372 | N/A | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | C:\Windows\system32\cipher.exe |
| PID 3932 wrote to memory of 4372 | N/A | C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe | C:\Windows\system32\cipher.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe
"C:\Users\Admin\AppData\Local\Temp\a471fdf6b137a6035b2a2746703cd696089940698fd533860d34e71cc6586850.exe"
C:\Windows\system32\cipher.exe
cipher.exe /w:C:\
Network
| Country | Destination | Domain | Proto |
| US | 52.109.8.20:443 | tcp | |
| US | 8.8.8.8:53 | time.windows.com | udp |
| NL | 20.101.57.9:123 | time.windows.com | udp |
Files
memory/4372-118-0x0000000000000000-mapping.dmp