dcrat

General

Target

b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
Size

191KB
Sample

221202-b2763aef9w
MD5

3df0263cf82bd13b7dab9a896357efc4
SHA1

0eec3c8464156fa9c6e2e07c5898d7a39ce5e8ea
SHA256

b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
SHA512

0caeef7a59320038b14f04778e117a84d9ffa8924060f209861a47d3eaf91b76cff7d91e4b8477a1d74cde534d204e2072d9490c9182ce56c87901fc747b9ee1
SSDEEP

3072:EBACblbKYcT7I5rSA8UU2p9Mt2KMaOoRs9E3AZxpR/LDNg3HH:bCZcToU6PMMaOhvpB

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/lancer/get.php

Attributes

extension
.uyit
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Targets

- Target
  
  b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
- Size
  
  191KB
- MD5
  
  3df0263cf82bd13b7dab9a896357efc4
- SHA1
  
  0eec3c8464156fa9c6e2e07c5898d7a39ce5e8ea
- SHA256
  
  b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
- SHA512
  
  0caeef7a59320038b14f04778e117a84d9ffa8924060f209861a47d3eaf91b76cff7d91e4b8477a1d74cde534d204e2072d9490c9182ce56c87901fc747b9ee1
- SSDEEP
  
  3072:EBACblbKYcT7I5rSA8UU2p9Mt2KMaOoRs9E3AZxpR/LDNg3HH:bCZcToU6PMMaOhvpB
Score

10^/10

dcrat djvu smokeloader vidar 517 backdoor collection discovery infostealer persistence ransomware rat spyware stealer trojan
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Blocklisted process makes network request
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- 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 Chrome extension
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1