dcrat

General

Target

8c0bc82603c0f92e176dcdaf1c1720f5.exe
Size

351KB
Sample

221203-jh4crsaf31
MD5

8c0bc82603c0f92e176dcdaf1c1720f5
SHA1

798f3e6669f5485da710f94f28f418b90ce404a2
SHA256

e75a91e0cc1736eb3e3734bee7c6ea60c1a24d06abba650243a6d6c78e7d45d3
SHA512

d202def5bed68a3df56ad5c71d15aef87ff944a4ac13ec2b6bbf460fd41ce96da3b9ccf3db0fc2e0e7ad67ecf96fe05a18fdc3191352eb64c235699a8ff124d2
SSDEEP

3072:vW8X9XsSiyHh5QRfD4+yPl5/HV3N3EFIHgCQERtFo0aok4u4AXQhIh3p6M8MvjZq:/NXsSzHcRPy3/HVd3A1CZRf9k4puR3j

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
  
  8c0bc82603c0f92e176dcdaf1c1720f5.exe
- Size
  
  351KB
- MD5
  
  8c0bc82603c0f92e176dcdaf1c1720f5
- SHA1
  
  798f3e6669f5485da710f94f28f418b90ce404a2
- SHA256
  
  e75a91e0cc1736eb3e3734bee7c6ea60c1a24d06abba650243a6d6c78e7d45d3
- SHA512
  
  d202def5bed68a3df56ad5c71d15aef87ff944a4ac13ec2b6bbf460fd41ce96da3b9ccf3db0fc2e0e7ad67ecf96fe05a18fdc3191352eb64c235699a8ff124d2
- SSDEEP
  
  3072:vW8X9XsSiyHh5QRfD4+yPl5/HV3N3EFIHgCQERtFo0aok4u4AXQhIh3p6M8MvjZq:/NXsSzHcRPy3/HVd3A1CZRf9k4puR3j
Score

10^/10

smokeloader backdoor trojan dcrat djvu vidar 517 collection discovery 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
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- 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 behavioral2