chaos

General

Target

MSDT.exe
Size

217.1MB
Sample

240822-z2yvdsxhpe
MD5

8b26570c56d7b5076e1ea5a50d59ac50
SHA1

06701b1e72d5f9d5b25a42eac412121b754a841c
SHA256

868a2de17988df6eb59daeb0365b3f9a62e4321ad79d21ccb21fea986e3af5a9
SHA512

a16a8c99131065643ab909c7980303208decac6c796def97efd67ff5647dd4bc08832a8a093e8d559df4fee89092fc4a89d7e66f2382b1145f6ba622679a1a46
SSDEEP

3145728:EhG77ZJx9Bc/XvspNLfveTWfvs15twm3veYyIu+eAGlb/cEzCl5y2A/+H1/3vaEy:+07RYg0OUTPbu+eA8wqClc25yECH4U+

Score

10^/10

Malware Config

Targets

- Target
  
  MSDT.exe
- Size
  
  217.1MB
- MD5
  
  8b26570c56d7b5076e1ea5a50d59ac50
- SHA1
  
  06701b1e72d5f9d5b25a42eac412121b754a841c
- SHA256
  
  868a2de17988df6eb59daeb0365b3f9a62e4321ad79d21ccb21fea986e3af5a9
- SHA512
  
  a16a8c99131065643ab909c7980303208decac6c796def97efd67ff5647dd4bc08832a8a093e8d559df4fee89092fc4a89d7e66f2382b1145f6ba622679a1a46
- SSDEEP
  
  3145728:EhG77ZJx9Bc/XvspNLfveTWfvs15twm3veYyIu+eAGlb/cEzCl5y2A/+H1/3vaEy:+07RYg0OUTPbu+eA8wqClc25yECH4U+
Score

10^/10

chaos defense_evasion discovery evasion execution impact persistence ransomware spyware stealer
- Chaos
  Ransomware family first seen in June 2021.
  ransomware chaos
- Chaos Ransomware
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (134) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Deletes backup catalog
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- 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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Sets desktop wallpaper using registry
  ransomware
behavioral1