dcrat

General

Target

4d1c9a17255781983603737de59aa4cbcf67e9135c96b4dfe97bf62225170be5
Size

204KB
Sample

221019-b2wg9sedd2
MD5

2dbb33b3fad30d4f7d94bc337b8297e1
SHA1

d84d8a18618771bb261cf53853fac9c1b700b791
SHA256

4d1c9a17255781983603737de59aa4cbcf67e9135c96b4dfe97bf62225170be5
SHA512

3db2edc5793056de37551ec221b481817a768114bd40b0be7af57b41e99cda79338470a6ad05c148fd42c5ceb3ee66a623e354c5a77bedadaf477fdb03d6dd36
SSDEEP

6144:TRWFLoeecdsWvvZrFqQQCBW0qrM1s6uS:TRIseznNFqQQyXWH6

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tury
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes

profile_id
517

Extracted

Family

redline

C2

45.15.156.37:110

Attributes

auth_value
5b663effac3b92fe687f0181631eeff2

Targets

- Target
  
  4d1c9a17255781983603737de59aa4cbcf67e9135c96b4dfe97bf62225170be5
- Size
  
  204KB
- MD5
  
  2dbb33b3fad30d4f7d94bc337b8297e1
- SHA1
  
  d84d8a18618771bb261cf53853fac9c1b700b791
- SHA256
  
  4d1c9a17255781983603737de59aa4cbcf67e9135c96b4dfe97bf62225170be5
- SHA512
  
  3db2edc5793056de37551ec221b481817a768114bd40b0be7af57b41e99cda79338470a6ad05c148fd42c5ceb3ee66a623e354c5a77bedadaf477fdb03d6dd36
- SSDEEP
  
  6144:TRWFLoeecdsWvvZrFqQQCBW0qrM1s6uS:TRIseznNFqQQyXWH6
Score

10^/10

dcrat djvu redline smokeloader vidar 517 backdoor collection discovery evasion 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
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- Modifies security service
  evasion
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- UAC bypass
  evasion trojan
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- 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
- Legitimate hosting services abused for malware hosting/C2
- 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