chaos

General

Target

RansomewareBuilder.exe
Size

5.4MB
Sample

241225-vjshfayrfx
MD5

e326e0bb654c0c28d1683c3f740e9a9d
SHA1

9c1cbd909ab5897532c11be445cf8384f71ee9b7
SHA256

aad594c4d58ad64350c4e9b4314dcf7fa5b8bb70eb41b0d20f6a0c49a058086c
SHA512

86c01e92a90ee6573e2f0e384191f0b4ee56ddb92ad9bd8023cbf86a4566d999d56e186eacdfc0ce6f0bb3c4960def13beacb067444a1a229ad7d58d81ba5f91
SSDEEP

49152:NuKIx29kk3sN2rEt/U964aKjSEvoYY+A2N:

Score

10^/10

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Updater6\read_it.txt

Ransom Note

~~~ RdpLocker Recode the world's fastest ransomware~ ~ ~ >>>> Your data are stolen and encrypted >>>> Info Our encryption is undetectable and we can encrypt terabytes of data in minutes. A unique public and private key is generated exclusively for you. No one else can decrypt the files we have encrypted. Our services are cheap and reliable. >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. You can contact us using Tox messenger without registration and SMS to negotiate the price. https://tox.chat/download.html Using Tox messenger, we will never know your real name, it means your privacy is guaranteed. Raven Tox ID: 25547C7BB6441FDFBB3BEEB09CC1EE3FF5B2A0389F6739A3DDA6948E464B611D7C885232644B

URLs

https://tox.chat/download.html

Targets

- Target
  
  RansomewareBuilder.exe
- Size
  
  5.4MB
- MD5
  
  e326e0bb654c0c28d1683c3f740e9a9d
- SHA1
  
  9c1cbd909ab5897532c11be445cf8384f71ee9b7
- SHA256
  
  aad594c4d58ad64350c4e9b4314dcf7fa5b8bb70eb41b0d20f6a0c49a058086c
- SHA512
  
  86c01e92a90ee6573e2f0e384191f0b4ee56ddb92ad9bd8023cbf86a4566d999d56e186eacdfc0ce6f0bb3c4960def13beacb067444a1a229ad7d58d81ba5f91
- SSDEEP
  
  49152:NuKIx29kk3sN2rEt/U964aKjSEvoYY+A2N:
Score

10^/10

chaos defense_evasion evasion execution impact persistence ransomware spyware stealer
- Chaos
  Ransomware family first seen in June 2021.
  ransomware chaos
- Chaos Ransomware
- Chaos family
  chaos
- 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 (198) 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
- Disables Task Manager via registry modification
  evasion
- 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
- Adds Run key to start application
  persistence
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2