djvu | e95994ec57e99d352ba46ae70a33e7b2f496d4b1f40f43f47843afc8155ebee8

General

Target

e95994ec57e99d352ba46ae70a33e7b2f496d4b1f40f43f47843afc8155ebee8
Size

693KB
Sample

230215-ce7sfshb3x
MD5

ada984f5a87551e7f2ffb2db513410bc
SHA1

e4b210cf7c6624e9eb6682a8364d960e66f30901
SHA256

e95994ec57e99d352ba46ae70a33e7b2f496d4b1f40f43f47843afc8155ebee8
SHA512

239162dfb4e40c88bbe05b8c48cfdf5c64675d9e21c78f580e6e95c6e98df5280b9727558fe5d4f6626d8c25372374706513abc86b49ac7a8ebbe37301db6a0d
SSDEEP

12288:/3J7UrHNy+OicZtWn9hCVXze8EDQZIoi623XNq3+/MciW:x7Ur+yhCpezd9tCN

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hhee
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  e95994ec57e99d352ba46ae70a33e7b2f496d4b1f40f43f47843afc8155ebee8
- Size
  
  693KB
- MD5
  
  ada984f5a87551e7f2ffb2db513410bc
- SHA1
  
  e4b210cf7c6624e9eb6682a8364d960e66f30901
- SHA256
  
  e95994ec57e99d352ba46ae70a33e7b2f496d4b1f40f43f47843afc8155ebee8
- SHA512
  
  239162dfb4e40c88bbe05b8c48cfdf5c64675d9e21c78f580e6e95c6e98df5280b9727558fe5d4f6626d8c25372374706513abc86b49ac7a8ebbe37301db6a0d
- SSDEEP
  
  12288:/3J7UrHNy+OicZtWn9hCVXze8EDQZIoi623XNq3+/MciW:x7Ur+yhCpezd9tCN
Score

10^/10

djvu vidar 19 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