chaos

Resubmissions

31/03/2024, 09:16 UTC

240331-k8y2eahd2s 10

31/03/2024, 09:07 UTC

240331-k3d42shh42 10

20/03/2024, 19:30 UTC

240320-x7y18shg5v 10

Sharing

Copy URL

Twitter E-mail

General

Target

2024-03-20_1b2fdf47aaaccaf622e33cb4dd63e8e2_wannacry
Size

372KB
Sample

240320-x7y18shg5v
MD5

1b2fdf47aaaccaf622e33cb4dd63e8e2
SHA1

1130c9d40bc5ab004918a509811f914605594961
SHA256

24266d8af5e54a179ca62fe8ba586a9bced5e39565ad05f33583a3fc8f509613
SHA512

f494e23997ba85df3fcdaaaeb1d6c056de6f7b6a22ecf8df4797b302016deafea0d2030058680baa521cae93cf5921b3bd58d1750274819f866a868beff2739c
SSDEEP

3072:doeNsCr9h4ca2aHBSCAb2+IPdG1UlcaVSptR4jiYFD:nNr9h4ca7SCdI12cTtRcf

Score

10^/10

Malware Config

Targets

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

10^/10

chaos evasion 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
- Detects command variations typically used by ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (199) 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
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2