djvu | 485946a71b3aefb85d6ca10515f898692ec045d9f3454a07583302b90a8c4677

General

Target

485946a71b3aefb85d6ca10515f898692ec045d9f3454a07583302b90a8c4677
Size

720KB
Sample

220925-nb3vwaeea4
MD5

070c15f0771254fe9cac57a0eef91900
SHA1

092bf37e3068ce503d15d076aedf4fd4768babb7
SHA256

485946a71b3aefb85d6ca10515f898692ec045d9f3454a07583302b90a8c4677
SHA512

77563433cc6910b054ae1b0eeb2e39a3f3811d6731b2ad592786c82bbad065c71636abe608f2286d09f943a8be75a897963bd2cd7e6de5e2fc2a30d372ba3893
SSDEEP

12288:PvPqx66UBmYCbID8vypU7yPUum5JiQI/p6P2TCM2p5r9RlRqZaTu7DYTxJd:PaE6UBmYCbjx7yfm6R6aCMe5RgdYTb

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.oflg
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes

profile_id
517

Targets

- Target
  
  485946a71b3aefb85d6ca10515f898692ec045d9f3454a07583302b90a8c4677
- Size
  
  720KB
- MD5
  
  070c15f0771254fe9cac57a0eef91900
- SHA1
  
  092bf37e3068ce503d15d076aedf4fd4768babb7
- SHA256
  
  485946a71b3aefb85d6ca10515f898692ec045d9f3454a07583302b90a8c4677
- SHA512
  
  77563433cc6910b054ae1b0eeb2e39a3f3811d6731b2ad592786c82bbad065c71636abe608f2286d09f943a8be75a897963bd2cd7e6de5e2fc2a30d372ba3893
- SSDEEP
  
  12288:PvPqx66UBmYCbID8vypU7yPUum5JiQI/p6P2TCM2p5r9RlRqZaTu7DYTxJd:PaE6UBmYCbjx7yfm6R6aCMe5RgdYTb
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