djvu | 98adbf52d9e9ed7f05fb802cd7c37e1f8bfbf947ac57e5077a4353be3e2b20cd

General

Target

98adbf52d9e9ed7f05fb802cd7c37e1f8bfbf947ac57e5077a4353be3e2b20cd
Size

713KB
Sample

230216-attg9see8s
MD5

d3e9f608ee5ab6860b0c9dfc28ec6b1a
SHA1

dad2feecbefe822bd1c7b05678294112becc85fd
SHA256

98adbf52d9e9ed7f05fb802cd7c37e1f8bfbf947ac57e5077a4353be3e2b20cd
SHA512

a156de7e4969fb25bb9d0353be4a0aa81581d0e8b29883b6dfc58317de61f0132dbc175e09351eaad72ea40058d04333e7665c69ccecf5dc9ae53b4851cc0233
SSDEEP

12288:7CzZxSCSUzA1qAFahFyVDsA64h4vK3pTD+Us/LKFS/q:7CvSEMBafyVZdh4KTD+z/LKM/q

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
  
  98adbf52d9e9ed7f05fb802cd7c37e1f8bfbf947ac57e5077a4353be3e2b20cd
- Size
  
  713KB
- MD5
  
  d3e9f608ee5ab6860b0c9dfc28ec6b1a
- SHA1
  
  dad2feecbefe822bd1c7b05678294112becc85fd
- SHA256
  
  98adbf52d9e9ed7f05fb802cd7c37e1f8bfbf947ac57e5077a4353be3e2b20cd
- SHA512
  
  a156de7e4969fb25bb9d0353be4a0aa81581d0e8b29883b6dfc58317de61f0132dbc175e09351eaad72ea40058d04333e7665c69ccecf5dc9ae53b4851cc0233
- SSDEEP
  
  12288:7CzZxSCSUzA1qAFahFyVDsA64h4vK3pTD+Us/LKFS/q:7CvSEMBafyVZdh4KTD+z/LKM/q
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
- 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