djvu | 9bdf9e64c6f3c5a182b89e1549f44c8d8cb5717b652da9553f91dc68d0cbd401

General

Target
9bdf9e64c6f3c5a182b89e1549f44c8d8cb5717b652da9553f91dc68d0cbd401
Size 714KB
Sample221020-fgjeesefgn
SHA256 9bdf9e64c6f3c5a182b89e1549f44c8d8cb5717b652da9553f91dc68d0cbd401
MD5 84064f1d6a3a2f419c75c7ad2241171b
SHA1 beca83d94d18db23458b32e673ebc02b1468b1f8
SHA512 d91601f39490c899bd34516cdb30d3d6e0fd4058b0e7a4bcfdf19ceaaa4e315c8519cc0e6206c2d5a497cd2ba3240af5bb8d689d7bfbc9de2aba77b0397a739b
SSDEEP 12288:syCeht1HqDx7FSdCFAIbLeI/KECmVDvaz13odDYvKsXH0lBK5Q3PbBpme:syJtdw5eDI/7VlyH0lBKKbBpme
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
  9bdf9e64c6f3c5a182b89e1549f44c8d8cb5717b652da9553f91dc68d0cbd401
- Size 714KB
- SHA256 9bdf9e64c6f3c5a182b89e1549f44c8d8cb5717b652da9553f91dc68d0cbd401
- MD5 84064f1d6a3a2f419c75c7ad2241171b
- SHA1 beca83d94d18db23458b32e673ebc02b1468b1f8
- SHA512 d91601f39490c899bd34516cdb30d3d6e0fd4058b0e7a4bcfdf19ceaaa4e315c8519cc0e6206c2d5a497cd2ba3240af5bb8d689d7bfbc9de2aba77b0397a739b
- SSDEEP 12288:syCeht1HqDx7FSdCFAIbLeI/KECmVDvaz13odDYvKsXH0lBK5Q3PbBpme:syJtdw5eDI/7VlyH0lBKKbBpme
- 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
- 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