djvu | a9fc2a9fafd401e58f596b7de1f2bf1ecdfde61166d2e772482d966055af0707

General

Target

a9fc2a9fafd401e58f596b7de1f2bf1ecdfde61166d2e772482d966055af0707
Size

664KB
Sample

230221-y145cagd63
MD5

db5c2c343d37657b793c398178bd0c9c
SHA1

5f51d38f6e2f4057c33cfbf0a80bcc0828dfbbb7
SHA256

a9fc2a9fafd401e58f596b7de1f2bf1ecdfde61166d2e772482d966055af0707
SHA512

cb91c96793516e1668543d7c32c95bf3881276d4e752b7ccb93ccd0bbaef5cae483daced93c20b345520758b6baa21084703231d854d0cf3974e1d84bdee0c4f
SSDEEP

12288:FwULO2QNbd44P8lgggMlR6Gszcdp7G+lMP86y3HHBS6Af4q4ZZwvLf7FNlbZDRGC:FwQjECgjsRIcdp6+lMrwHB1AAq4ZZ0j8

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.iowd
offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.6

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  a9fc2a9fafd401e58f596b7de1f2bf1ecdfde61166d2e772482d966055af0707
- Size
  
  664KB
- MD5
  
  db5c2c343d37657b793c398178bd0c9c
- SHA1
  
  5f51d38f6e2f4057c33cfbf0a80bcc0828dfbbb7
- SHA256
  
  a9fc2a9fafd401e58f596b7de1f2bf1ecdfde61166d2e772482d966055af0707
- SHA512
  
  cb91c96793516e1668543d7c32c95bf3881276d4e752b7ccb93ccd0bbaef5cae483daced93c20b345520758b6baa21084703231d854d0cf3974e1d84bdee0c4f
- SSDEEP
  
  12288:FwULO2QNbd44P8lgggMlR6Gszcdp7G+lMP86y3HHBS6Af4q4ZZwvLf7FNlbZDRGC:FwQjECgjsRIcdp6+lMrwHB1AAq4ZZ0j8
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