djvu | ff4cb2b59a39b3aae0e6eb9c164b9121333a9bf56591e802e63a550de7d5aaee

General

Target

ff4cb2b59a39b3aae0e6eb9c164b9121333a9bf56591e802e63a550de7d5aaee
Size

785KB
Sample

230325-h1bj2adg8t
MD5

3191f584f6e22b2e105cc4d0c6afedea
SHA1

dc6a110309bbb9a014fb1b1770b36d40bc6d5a19
SHA256

ff4cb2b59a39b3aae0e6eb9c164b9121333a9bf56591e802e63a550de7d5aaee
SHA512

6e1bd33c60a136d3c6843d9f411e58d865a32ff7aeae6ebb0d2dc280b457c248d22778f70c4381e31c2d3ec1a79b36a5da6e32adbfd5dc665c66ea443c799b69
SSDEEP

12288:DpSIIqXkKMNYp34XqlyFA9jtO0Gd/6tRSf2bLBB0LMCZzUtSEGU7O1:D7X7/mqQUrGd9OkLJZzANn

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.tywd
offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

3.1

Botnet

00d92484c9b27bc8482a2cc94cacc508

C2

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes

profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  ff4cb2b59a39b3aae0e6eb9c164b9121333a9bf56591e802e63a550de7d5aaee
- Size
  
  785KB
- MD5
  
  3191f584f6e22b2e105cc4d0c6afedea
- SHA1
  
  dc6a110309bbb9a014fb1b1770b36d40bc6d5a19
- SHA256
  
  ff4cb2b59a39b3aae0e6eb9c164b9121333a9bf56591e802e63a550de7d5aaee
- SHA512
  
  6e1bd33c60a136d3c6843d9f411e58d865a32ff7aeae6ebb0d2dc280b457c248d22778f70c4381e31c2d3ec1a79b36a5da6e32adbfd5dc665c66ea443c799b69
- SSDEEP
  
  12288:DpSIIqXkKMNYp34XqlyFA9jtO0Gd/6tRSf2bLBB0LMCZzUtSEGU7O1:D7X7/mqQUrGd9OkLJZzANn
Score

10^/10

djvu vidar 00d92484c9b27bc8482a2cc94cacc508 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