Analysis Overview
SHA256
f25ff2f1936c55d00927e445f4386a2f30b0c39b81c30b2b3eb21ae3527d2ec2
Threat Level: Known bad
The file cec36245b24ef143ac15f64d7a2db73020b73b7d was found to be: Known bad.
Malicious Activity Summary
CryptBot
Deletes itself
Enumerates physical storage devices
Checks processor information in registry
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-01-28 07:53
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-01-28 07:53
Reported
2022-01-28 07:55
Platform
win7-en-20211208
Max time kernel
119s
Max time network
119s
Command Line
Signatures
CryptBot
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1724 wrote to memory of 464 | N/A | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1724 wrote to memory of 464 | N/A | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1724 wrote to memory of 464 | N/A | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1724 wrote to memory of 464 | N/A | C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 464 wrote to memory of 1384 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 464 wrote to memory of 1384 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 464 wrote to memory of 1384 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
| PID 464 wrote to memory of 1384 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\timeout.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe
"C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\UwMbVUqpynM & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cec36245b24ef143ac15f64d7a2db73020b73b7d.exe"
C:\Windows\SysWOW64\timeout.exe
timeout 4
Network
Files
memory/1724-54-0x0000000076C91000-0x0000000076C93000-memory.dmp
memory/1724-55-0x0000000000290000-0x0000000000291000-memory.dmp
memory/1724-56-0x00000000003B0000-0x00000000003F8000-memory.dmp