djvu | 395e66c6a8f399376311a94558dabab2d452eb5c164d2f2ffc901dc41c5f8c3f

General

Target

buildz.exe
Size

783KB
Sample

230326-yafztshg32
MD5

7a29a31765dc126e0f1e3c67310be274
SHA1

a617090d817f573a8380c2ab990585526162f8a5
SHA256

395e66c6a8f399376311a94558dabab2d452eb5c164d2f2ffc901dc41c5f8c3f
SHA512

1e0a0dc8d251ed0a3a18fcb23f33f4a95fd4bce95773fa4b999ac34f22c7c86c230a270307ab379aff41cb14db4d467fdc0a2723405b204072b5fa2197c918a0
SSDEEP

12288:Xn2fKScAhhkrh8Qhy5kIqTuy6gvB0l0hl7kPJatGrZO1se9qmpsem:iKSFUhFovqTr6gJj3kBttEYmpsj

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jyos
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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
  
  buildz.exe
- Size
  
  783KB
- MD5
  
  7a29a31765dc126e0f1e3c67310be274
- SHA1
  
  a617090d817f573a8380c2ab990585526162f8a5
- SHA256
  
  395e66c6a8f399376311a94558dabab2d452eb5c164d2f2ffc901dc41c5f8c3f
- SHA512
  
  1e0a0dc8d251ed0a3a18fcb23f33f4a95fd4bce95773fa4b999ac34f22c7c86c230a270307ab379aff41cb14db4d467fdc0a2723405b204072b5fa2197c918a0
- SSDEEP
  
  12288:Xn2fKScAhhkrh8Qhy5kIqTuy6gvB0l0hl7kPJatGrZO1se9qmpsem:iKSFUhFovqTr6gJj3kBttEYmpsj
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 behavioral2