chaos

General

Target
2024-03-20_1b2fdf47aaaccaf622e33cb4dd63e8e2_wannacry
Size 372KB
Sample240331-k8y2eahd2s
SHA256 24266d8af5e54a179ca62fe8ba586a9bced5e39565ad05f33583a3fc8f509613
MD5 1b2fdf47aaaccaf622e33cb4dd63e8e2
SHA1 1130c9d40bc5ab004918a509811f914605594961
SHA512 f494e23997ba85df3fcdaaaeb1d6c056de6f7b6a22ecf8df4797b302016deafea0d2030058680baa521cae93cf5921b3bd58d1750274819f866a868beff2739c
SSDEEP 3072:doeNsCr9h4ca2aHBSCAb2+IPdG1UlcaVSptR4jiYFD:nNr9h4ca7SCdI12cTtRcf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Targets

- Target
  2024-03-20_1b2fdf47aaaccaf622e33cb4dd63e8e2_wannacry
- Size 372KB
- SHA256 24266d8af5e54a179ca62fe8ba586a9bced5e39565ad05f33583a3fc8f509613
- MD5 1b2fdf47aaaccaf622e33cb4dd63e8e2
- SHA1 1130c9d40bc5ab004918a509811f914605594961
- SHA512 f494e23997ba85df3fcdaaaeb1d6c056de6f7b6a22ecf8df4797b302016deafea0d2030058680baa521cae93cf5921b3bd58d1750274819f866a868beff2739c
- SSDEEP 3072:doeNsCr9h4ca2aHBSCAb2+IPdG1UlcaVSptR4jiYFD:nNr9h4ca7SCdI12cTtRcf
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

chaos evasion ransomware spyware stealer upx
- 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
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (185) 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.
- Drops startup file
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Drops desktop.ini file(s)
- 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