djvu | c6c196b78a7b3e95c911441c311fa6cfd5e85d0acc382890b452920b240d41f7

General

Target
c6c196b78a7b3e95c911441c311fa6cfd5e85d0acc382890b452920b240d41f7
Size 699KB
Sample221021-prf7gsbfd4
SHA256 c6c196b78a7b3e95c911441c311fa6cfd5e85d0acc382890b452920b240d41f7
MD5 601f9c358f5ced8c08af674475f48078
SHA1 e66fe791fa82ca97888336a7c016effc106e908e
SHA512 89cb52b5529e626e63c39472f2e903b3a5fc1073d4efc5a74c51bc8ec5eaa85a2800e7effbec34d3256706085d0b202cd0576e835e10cb49b476318c4820e156
SSDEEP 12288:YTS6vChpxsKaZYUX+uNV2B4Pwz65BE7mAKRaMAYi3AkAIO3TgE8T5gN5FfeBF2d:YTBC5ta+aQ2PqwB9AlMvpBgEm6GBFQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tury
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  c6c196b78a7b3e95c911441c311fa6cfd5e85d0acc382890b452920b240d41f7
- Size 699KB
- SHA256 c6c196b78a7b3e95c911441c311fa6cfd5e85d0acc382890b452920b240d41f7
- MD5 601f9c358f5ced8c08af674475f48078
- SHA1 e66fe791fa82ca97888336a7c016effc106e908e
- SHA512 89cb52b5529e626e63c39472f2e903b3a5fc1073d4efc5a74c51bc8ec5eaa85a2800e7effbec34d3256706085d0b202cd0576e835e10cb49b476318c4820e156
- SSDEEP 12288:YTS6vChpxsKaZYUX+uNV2B4Pwz65BE7mAKRaMAYi3AkAIO3TgE8T5gN5FfeBF2d:YTBC5ta+aQ2PqwB9AlMvpBgEm6GBFQ
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- 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 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