djvu | 1f73c45f1276106f461c234a03d99ab700ffd89fe48b6f0d1127311150a981c1

General

Target
8118f0eee6a59572daf1d5eb1055644d.exe
Size 726KB
Sample221022-evta4saffq
SHA256 1f73c45f1276106f461c234a03d99ab700ffd89fe48b6f0d1127311150a981c1
MD5 8118f0eee6a59572daf1d5eb1055644d
SHA1 47039fd9e7ee142959fcb90f8b911b8f0c656891
SHA512 29db6efa64ce1e0c7cbb5d84828ebe913460d5c09e83623fd00cea46521df03b1560ec0da36c589579a977bc7f030b330d64bdda7bd95248e855795be09777dc
SSDEEP 12288:Ary0GniB4YESQ44R6lSclKSuryxXngUhNNEgO4QC3sv+7EPl1BYpIO7p1ISp:ArFgiB4YESQ4lzXngUCgOcC1hO7p1t
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nury
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
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
  8118f0eee6a59572daf1d5eb1055644d.exe
- Size 726KB
- SHA256 1f73c45f1276106f461c234a03d99ab700ffd89fe48b6f0d1127311150a981c1
- MD5 8118f0eee6a59572daf1d5eb1055644d
- SHA1 47039fd9e7ee142959fcb90f8b911b8f0c656891
- SHA512 29db6efa64ce1e0c7cbb5d84828ebe913460d5c09e83623fd00cea46521df03b1560ec0da36c589579a977bc7f030b330d64bdda7bd95248e855795be09777dc
- SSDEEP 12288:Ary0GniB4YESQ44R6lSclKSuryxXngUhNNEgO4QC3sv+7EPl1BYpIO7p1ISp:ArFgiB4YESQ4lzXngUCgOcC1hO7p1t
- 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 behavioral2