djvu | afe4783246443f5e21edf244cdfa296a1738c1911aa4f458fb0fe4fe99209220

General

Target

afe4783246443f5e21edf244cdfa296a1738c1911aa4f458fb0fe4fe99209220
Size

796KB
Sample

230514-mejezabf42
MD5

71a1b287303f98b39932fad2681e4614
SHA1

905f4e105101b80fb8df7bbcba968ec04aa06200
SHA256

afe4783246443f5e21edf244cdfa296a1738c1911aa4f458fb0fe4fe99209220
SHA512

27a321b16ae2aacf526bb3c39606f9ec80930b7205cea400934928e29bc1d06fbbe816a9ddc33eceefd8fb54a3661ea6bf7c3bbb69778e2092f9e4033068e88b
SSDEEP

24576:+QC11X6S18V5N8NKYARxJF3SpNREhS7BeGIMz:+DCrWif3SjuhS7B9bz

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.gash
offline_id
gdTA3a9eBPJZlAHc7UhZKxuA2PF57q3j1xsfAkt1
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

3.8

Botnet

ef32d425b907146eeb9090dbc9455ab1

C2

https://steamcommunity.com/profiles/76561198272578552

https://t.me/libpcre

Attributes

profile_id_v2
ef32d425b907146eeb9090dbc9455ab1
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Targets

- Target
  
  afe4783246443f5e21edf244cdfa296a1738c1911aa4f458fb0fe4fe99209220
- Size
  
  796KB
- MD5
  
  71a1b287303f98b39932fad2681e4614
- SHA1
  
  905f4e105101b80fb8df7bbcba968ec04aa06200
- SHA256
  
  afe4783246443f5e21edf244cdfa296a1738c1911aa4f458fb0fe4fe99209220
- SHA512
  
  27a321b16ae2aacf526bb3c39606f9ec80930b7205cea400934928e29bc1d06fbbe816a9ddc33eceefd8fb54a3661ea6bf7c3bbb69778e2092f9e4033068e88b
- SSDEEP
  
  24576:+QC11X6S18V5N8NKYARxJF3SpNREhS7BeGIMz:+DCrWif3SjuhS7B9bz
Score

10^/10

djvu vidar ef32d425b907146eeb9090dbc9455ab1 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