dcrat

General

Target
file.exe
Size 265KB
Sample221007-f8aatsbff9
SHA256 3b00a2fe0c096bcc30b3e681a6eed6b55918dc219049670091eb240717ca8021
MD5 990df372a8516a3b958bee0bdfd15bc5
SHA1 1a3ee101c15e3ad907f0a87da07a62f9f1e560c9
SHA512 81dd8420d91952b5d42fda75b7efcd40d6c5f79e60b7ca4f3069a3e2432cc027f3e6b47b5991f8c0f21da6ac4bfd5c494e4ceb14c5e79ef2b0f191c0a8a2b5a2
SSDEEP 6144:wTgIGxK9QCzLUTUtplB1uzbgwubWxAkswVfU:wcIYKQyUTUtpl3unn5c
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup
https://ioc.exchange/@zebra54

Attributes

profile_id
517

Extracted

Family

raccoon

Botnet

884d084df0d90657bc52b99e12a5611c

C2

http://85.192.63.175/

rc4.plain

Targets

- Target
  file.exe
- Size 265KB
- SHA256 3b00a2fe0c096bcc30b3e681a6eed6b55918dc219049670091eb240717ca8021
- MD5 990df372a8516a3b958bee0bdfd15bc5
- SHA1 1a3ee101c15e3ad907f0a87da07a62f9f1e560c9
- SHA512 81dd8420d91952b5d42fda75b7efcd40d6c5f79e60b7ca4f3069a3e2432cc027f3e6b47b5991f8c0f21da6ac4bfd5c494e4ceb14c5e79ef2b0f191c0a8a2b5a2
- SSDEEP 6144:wTgIGxK9QCzLUTUtplB1uzbgwubWxAkswVfU:wcIYKQyUTUtpl3unn5c
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

smokeloader backdoor trojan dcrat djvu raccoon vidar 517 884d084df0d90657bc52b99e12a5611c 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
- Raccoon
  Raccoon is an infostealer written in C++ and first seen in 2019.
  stealer raccoon
- 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
- 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
- Legitimate hosting services abused for malware hosting/C2
- 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