djvu | cd1e5d43202f27d75d48c1d6963ef572eb3321e1ca3d6510c6a999598db09a07

General

Target

file.exe
Size

786KB
Sample

231008-y69l1sfh3s
MD5

f49c53a4db7c7a6e0ef1e9243cde5ea5
SHA1

86e2388514f7f4c2a7acd09c03325b0ed690ef83
SHA256

cd1e5d43202f27d75d48c1d6963ef572eb3321e1ca3d6510c6a999598db09a07
SHA512

8bd94a77fcbccbd25d6dcdbad6cf1aefc5e5cefdf3f73f4f7bda2d68147e0a87a877968067528c2bb3cfb95c3ffd668620547fb87a8691ed534bfc24a74b0226
SSDEEP

12288:TOZ8mfnnY5jT3ncoNw7JePBRZ20CohvlPMWaRUyunKH6bkhT0J:4pY5jwo0JGBRZlNNGtuKHEwT0

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.mlza
offline_id
FjtJkuhRHnUARRt9GnbbgUTa6ErhJq4ZM668xSt1
payload_url
http://colisumy.com/dl/build2.exe

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

Extracted

Family

vidar

Version

5.9

Botnet

b4fc4cd2d76417bf461814b9d989fcdb

C2

https://steamcommunity.com/profiles/76561199557479327

https://t.me/grizmons

Attributes

profile_id_v2
b4fc4cd2d76417bf461814b9d989fcdb
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Targets

- Target
  
  file.exe
- Size
  
  786KB
- MD5
  
  f49c53a4db7c7a6e0ef1e9243cde5ea5
- SHA1
  
  86e2388514f7f4c2a7acd09c03325b0ed690ef83
- SHA256
  
  cd1e5d43202f27d75d48c1d6963ef572eb3321e1ca3d6510c6a999598db09a07
- SHA512
  
  8bd94a77fcbccbd25d6dcdbad6cf1aefc5e5cefdf3f73f4f7bda2d68147e0a87a877968067528c2bb3cfb95c3ffd668620547fb87a8691ed534bfc24a74b0226
- SSDEEP
  
  12288:TOZ8mfnnY5jT3ncoNw7JePBRZ20CohvlPMWaRUyunKH6bkhT0J:4pY5jwo0JGBRZlNNGtuKHEwT0
Score

10^/10

djvu vidar b4fc4cd2d76417bf461814b9d989fcdb 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
- 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