f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6

General

Target

f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6
Size

171KB
Sample

221127-ckwmdaff9s
MD5

5aec2a1b0e1b9343fc6bc12805b2caee
SHA1

38dafa221d0343374b89a76279693db45b126e9e
SHA256

f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6
SHA512

5b7b28312034fb282fdcb671998636e74df7138dd221a0ec12b3cd3f507fea896b60efeef4763bfb0a2ddfa591561e35ea5247d49b217cf4b2376bdaf8664103
SSDEEP

3072:Z4eYZ4+1JXJJXV+ut1sdZOZF0KWzsCi3ZhkP+YT6erSvy4rUhwRnw0auv:C5O8x+kS7kFpWzA3MWYT+vy4hw0a2

Score

8^/10

Malware Config

Targets

- Target
  
  f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6
- Size
  
  171KB
- MD5
  
  5aec2a1b0e1b9343fc6bc12805b2caee
- SHA1
  
  38dafa221d0343374b89a76279693db45b126e9e
- SHA256
  
  f4c5c0bd54c2f59b13053c3033c9bf8b2ce3844a0807c7d002b2ea818c8c4ac6
- SHA512
  
  5b7b28312034fb282fdcb671998636e74df7138dd221a0ec12b3cd3f507fea896b60efeef4763bfb0a2ddfa591561e35ea5247d49b217cf4b2376bdaf8664103
- SSDEEP
  
  3072:Z4eYZ4+1JXJJXV+ut1sdZOZF0KWzsCi3ZhkP+YT6erSvy4rUhwRnw0auv:C5O8x+kS7kFpWzA3MWYT+vy4hw0a2
Score

8^/10

bootkit discovery persistence spyware stealer upx
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Registers COM server for autorun
  persistence
- Sets DLL path for service in the registry
  persistence
- Sets file execution options in registry
  persistence
- Sets service image path in registry
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral1 behavioral2