dcrat

General

Target

file
Size

145KB
Sample

221001-c1yrnsgchr
MD5

fcd17115b55aa8e3250b403477ff6f61
SHA1

0a5ea5df52058657fb8209b07f586f893abad3aa
SHA256

9b6457c809bba388b20c12909a61d294f8083cd798ba447776b41bb62f98035a
SHA512

5b32c6b55ef401468df004c2ca277eadcbdadddf571c92565205967cc643579e2af8f97493c77aa74da2d9ea4c215624ec4986c13a927c7cf4cf7e42f83a5329
SSDEEP

3072:Q/BU62sDtPRiW+d7234X7Xkk6hlUf31mRYz:eDuJ7234Xh6nUf3ke

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ofww
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Extracted

Family

redline

Botnet

installi

C2

78.153.144.6:2510

Attributes

auth_value
f7a95740dfddbaa1471d1ac4f63cb78e

Targets

- Target
  
  file
- Size
  
  145KB
- MD5
  
  fcd17115b55aa8e3250b403477ff6f61
- SHA1
  
  0a5ea5df52058657fb8209b07f586f893abad3aa
- SHA256
  
  9b6457c809bba388b20c12909a61d294f8083cd798ba447776b41bb62f98035a
- SHA512
  
  5b32c6b55ef401468df004c2ca277eadcbdadddf571c92565205967cc643579e2af8f97493c77aa74da2d9ea4c215624ec4986c13a927c7cf4cf7e42f83a5329
- SSDEEP
  
  3072:Q/BU62sDtPRiW+d7234X7Xkk6hlUf31mRYz:eDuJ7234Xh6nUf3ke
Score

10^/10

smokeloader backdoor trojan dcrat djvu redline vidar 517 installi collection discovery evasion infostealer persistence ransomware rat spyware stealer
- 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
- RedLine payload
- 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
- 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
- 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 behavioral2