dcrat

General

Target

5e4da03ef67faee02734973ea57c9e135576278b0beaba5a44440ac9397e2c3a
Size

259KB
Sample

230108-wrpxysec76
MD5

276b0cf333d96dbc0ea1bf300592bca7
SHA1

e47d112acd16a68bb4c8328de20c7a1c9186540b
SHA256

5e4da03ef67faee02734973ea57c9e135576278b0beaba5a44440ac9397e2c3a
SHA512

5909905e17e402047793753b7e1e66bc4e81a08ef17b1ee84fcdd49a6d97e5ba3591a61ffa911a47e32820e84fc450118045063563c8a7b84aedb82fbf3d30dc
SSDEEP

6144:O1LsoTRaeVoP4lGf60au6UdAGcWuQcqgd3:O1w6RaeVoPuRqvcWuP

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
  
  5e4da03ef67faee02734973ea57c9e135576278b0beaba5a44440ac9397e2c3a
- Size
  
  259KB
- MD5
  
  276b0cf333d96dbc0ea1bf300592bca7
- SHA1
  
  e47d112acd16a68bb4c8328de20c7a1c9186540b
- SHA256
  
  5e4da03ef67faee02734973ea57c9e135576278b0beaba5a44440ac9397e2c3a
- SHA512
  
  5909905e17e402047793753b7e1e66bc4e81a08ef17b1ee84fcdd49a6d97e5ba3591a61ffa911a47e32820e84fc450118045063563c8a7b84aedb82fbf3d30dc
- SSDEEP
  
  6144:O1LsoTRaeVoP4lGf60au6UdAGcWuQcqgd3:O1w6RaeVoPuRqvcWuP
Score

10^/10

dcrat djvu smokeloader vidar 19 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
- 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 accounts
  collection
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1