djvu | 3eb22f742370d75ba4a4e75730b0b0a63cc5a7c075a8f6a4746640c45b1bf940

General

Target

3eb22f742370d75ba4a4e75730b0b0a63cc5a7c075a8f6a4746640c45b1bf940
Size

679KB
Sample

230214-jb1y3abf86
MD5

aead0cce5cb661d6e0bb89bb1ce79d24
SHA1

281dcfbf66b371b0c722edd231be155d18fa6007
SHA256

3eb22f742370d75ba4a4e75730b0b0a63cc5a7c075a8f6a4746640c45b1bf940
SHA512

ef89d2900908cb17ae93d9155fc1dc3237c906fca83ff445be7f1f778e0f6a66d6939537c8d1c2e0ec271f728ceb597f48b90fa8ced084f2b1010764069cff63
SSDEEP

12288:1abQgyvfOowTM8S/jlU/NDGiwEtChoo9QjyHMp1G8gUonwaW:hfOZMT/jlUEYtcoom+sp1G8B

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
  
  3eb22f742370d75ba4a4e75730b0b0a63cc5a7c075a8f6a4746640c45b1bf940
- Size
  
  679KB
- MD5
  
  aead0cce5cb661d6e0bb89bb1ce79d24
- SHA1
  
  281dcfbf66b371b0c722edd231be155d18fa6007
- SHA256
  
  3eb22f742370d75ba4a4e75730b0b0a63cc5a7c075a8f6a4746640c45b1bf940
- SHA512
  
  ef89d2900908cb17ae93d9155fc1dc3237c906fca83ff445be7f1f778e0f6a66d6939537c8d1c2e0ec271f728ceb597f48b90fa8ced084f2b1010764069cff63
- SSDEEP
  
  12288:1abQgyvfOowTM8S/jlU/NDGiwEtChoo9QjyHMp1G8gUonwaW:hfOZMT/jlUEYtcoom+sp1G8B
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