djvu | ce843abf3efd13e3bd245cce6797caf93cb24d03062966b311949d7344049297

General

Target

ce843abf3efd13e3bd245cce6797caf93cb24d03062966b311949d7344049297
Size

705KB
Sample

230207-tj5mbsfg31
MD5

6bc008d5e95ba85a97485f7eadcaada8
SHA1

3dd89c29b186e4aa2a20267e5dd5ddfdf0d9e709
SHA256

ce843abf3efd13e3bd245cce6797caf93cb24d03062966b311949d7344049297
SHA512

28a010ae2a628c02ea064409cbfb1e5ed74e9a577bf011e050390bdb692b5671c3cb0af053a9a552364e30104f39fe7d39cf4f4c9a53659981627b0b5f45dca4
SSDEEP

12288:hgJYMeDQwdD9BXp8dW/12j39NODZjAziDmwHrGWsgjQ2gFtheYp:hQYywp84JvLraHtD

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.erqw
offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
payload_url
http://uaery.top/dl/build2.exe

http://bihsy.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.4

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  ce843abf3efd13e3bd245cce6797caf93cb24d03062966b311949d7344049297
- Size
  
  705KB
- MD5
  
  6bc008d5e95ba85a97485f7eadcaada8
- SHA1
  
  3dd89c29b186e4aa2a20267e5dd5ddfdf0d9e709
- SHA256
  
  ce843abf3efd13e3bd245cce6797caf93cb24d03062966b311949d7344049297
- SHA512
  
  28a010ae2a628c02ea064409cbfb1e5ed74e9a577bf011e050390bdb692b5671c3cb0af053a9a552364e30104f39fe7d39cf4f4c9a53659981627b0b5f45dca4
- SSDEEP
  
  12288:hgJYMeDQwdD9BXp8dW/12j39NODZjAziDmwHrGWsgjQ2gFtheYp:hQYywp84JvLraHtD
Score

10^/10

djvu vidar 19 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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