dcrat

General

Target
ac59c2cf6926450174982af68a3aa307fe24e5c122f6453996bf3593431c1852
Size 341KB
Sample221203-3s7bysca7z
SHA256 ac59c2cf6926450174982af68a3aa307fe24e5c122f6453996bf3593431c1852
MD5 155097c6774693e155ba4d0dc25c3b75
SHA1 f26914b4c4bb1d119a78c399b280371bb9292159
SHA512 c2aecd43daba3e5327074a510ea25f3ab275f18f91e0f20c36de42dc0bf182867aa8fd98c3710e434ebea8ff07011d2375e13accaa6a47045eb96b7e99b52d8b
SSDEEP 6144:kXoOBVQy6OeJ9bpRKredsQBzknMW2Rqnuu1mL0Y:kXoOfH6PPK2dFqMW3B00Y
MD5 SHA1 SHA512 SSDEEP

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
  ac59c2cf6926450174982af68a3aa307fe24e5c122f6453996bf3593431c1852
- Size 341KB
- SHA256 ac59c2cf6926450174982af68a3aa307fe24e5c122f6453996bf3593431c1852
- MD5 155097c6774693e155ba4d0dc25c3b75
- SHA1 f26914b4c4bb1d119a78c399b280371bb9292159
- SHA512 c2aecd43daba3e5327074a510ea25f3ab275f18f91e0f20c36de42dc0bf182867aa8fd98c3710e434ebea8ff07011d2375e13accaa6a47045eb96b7e99b52d8b
- SSDEEP 6144:kXoOBVQy6OeJ9bpRKredsQBzknMW2Rqnuu1mL0Y:kXoOfH6PPK2dFqMW3B00Y
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

dcrat djvu smokeloader vidar 517 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
- 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