djvu | ef896c2e6c8e532284e1e19decbca258570e72a08a31f407df99cf228a343303

General

Target

ef896c2e6c8e532284e1e19decbca258570e72a08a31f407df99cf228a343303
Size

806KB
Sample

231014-m1k6paeg86
MD5

dd8310469ceafb12c085f3627f22d56a
SHA1

f0c74f58a78fd721467cd1abc0b1e716e91c836e
SHA256

ef896c2e6c8e532284e1e19decbca258570e72a08a31f407df99cf228a343303
SHA512

289e9b37efde6bb332c752bb3a34b1075c2cd792aacf91ca2024111111b55e35c6493ad77364fdea0809c211bd4400cb61621e03e8aa988f2da802ff20396cae
SSDEEP

12288:uUlpMroe4ioF6SVwxlRqeImN/3oRgjdVjr8dKEIitmZZLt1:uUUL9+JVPel/3oq3jwmi6R1

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.oopl
offline_id
dhL6XvokZotUzL67Na5WfNIBufODsob7eYc3mzt1
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

6

Botnet

d37c48c18c73cc0e155c7e1dfde06db9

C2

https://steamcommunity.com/profiles/76561199560322242

https://t.me/cahalgo

Attributes

profile_id_v2
d37c48c18c73cc0e155c7e1dfde06db9
user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq

Targets

- Target
  
  ef896c2e6c8e532284e1e19decbca258570e72a08a31f407df99cf228a343303
- Size
  
  806KB
- MD5
  
  dd8310469ceafb12c085f3627f22d56a
- SHA1
  
  f0c74f58a78fd721467cd1abc0b1e716e91c836e
- SHA256
  
  ef896c2e6c8e532284e1e19decbca258570e72a08a31f407df99cf228a343303
- SHA512
  
  289e9b37efde6bb332c752bb3a34b1075c2cd792aacf91ca2024111111b55e35c6493ad77364fdea0809c211bd4400cb61621e03e8aa988f2da802ff20396cae
- SSDEEP
  
  12288:uUlpMroe4ioF6SVwxlRqeImN/3oRgjdVjr8dKEIitmZZLt1:uUUL9+JVPel/3oq3jwmi6R1
Score

10^/10

djvu vidar d37c48c18c73cc0e155c7e1dfde06db9 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