dcrat

General

Target

1f142434b30d5fd70e7b592cf5e66960f2b16fc355af988383d908a4aa5544cf
Size

264KB
Sample

230108-sxxyzahd4y
MD5

a58c9db60a5c0172b189a63c15babcd7
SHA1

cd09ac9823f03cb031880371e8afff6ca895bcfc
SHA256

1f142434b30d5fd70e7b592cf5e66960f2b16fc355af988383d908a4aa5544cf
SHA512

45b464e5d29b97a7a2856184722e72adb00bc5cb4f5a6299bd3a874607073a80adab13970555a33beb3da2708acc7425aaea636d91134a2e489439795ea98519
SSDEEP

3072:PXh/i8YhLb0yI8C6dVe35Op6IYeknZXQ35pxO9ECUZNTKXWPr0sd6:/0XLb0GdVeIkZ85JOuN

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.bpto
offline_id
pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes

profile_id
19

Targets

- Target
  
  1f142434b30d5fd70e7b592cf5e66960f2b16fc355af988383d908a4aa5544cf
- Size
  
  264KB
- MD5
  
  a58c9db60a5c0172b189a63c15babcd7
- SHA1
  
  cd09ac9823f03cb031880371e8afff6ca895bcfc
- SHA256
  
  1f142434b30d5fd70e7b592cf5e66960f2b16fc355af988383d908a4aa5544cf
- SHA512
  
  45b464e5d29b97a7a2856184722e72adb00bc5cb4f5a6299bd3a874607073a80adab13970555a33beb3da2708acc7425aaea636d91134a2e489439795ea98519
- SSDEEP
  
  3072:PXh/i8YhLb0yI8C6dVe35Op6IYeknZXQ35pxO9ECUZNTKXWPr0sd6:/0XLb0GdVeIkZ85JOuN
Score

10^/10

dcrat djvu smokeloader vidar 19 backdoor 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
- 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 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