djvu | 89e3c9a010550916a39dee464ff3dfc0e9b64cd2fed725c91847f633fe44c1b0

General

Target

89e3c9a010550916a39dee464ff3dfc0e9b64cd2fed725c91847f633fe44c1b0
Size

678KB
Sample

230214-md8ngacf29
MD5

f98fe87bead9791ad932ee9e21a5f75c
SHA1

c126886171f8b93da108c2bd8c78ba0fa280a8ac
SHA256

89e3c9a010550916a39dee464ff3dfc0e9b64cd2fed725c91847f633fe44c1b0
SHA512

0c18a3dabff175b894ee93b7c60475d9a020031fbaddb04811fd18d62180a418796deaa1f79206be6aef08d02953a01205cb81cb35eb39d9e127b77d02277cec
SSDEEP

12288:Vcb0iR6xe4RmcgNgXLvcsIHLFSnq59ieRZjdJUY:NDxekmDNAbcrFQqXieRZjda

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hhmm
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
  
  89e3c9a010550916a39dee464ff3dfc0e9b64cd2fed725c91847f633fe44c1b0
- Size
  
  678KB
- MD5
  
  f98fe87bead9791ad932ee9e21a5f75c
- SHA1
  
  c126886171f8b93da108c2bd8c78ba0fa280a8ac
- SHA256
  
  89e3c9a010550916a39dee464ff3dfc0e9b64cd2fed725c91847f633fe44c1b0
- SHA512
  
  0c18a3dabff175b894ee93b7c60475d9a020031fbaddb04811fd18d62180a418796deaa1f79206be6aef08d02953a01205cb81cb35eb39d9e127b77d02277cec
- SSDEEP
  
  12288:Vcb0iR6xe4RmcgNgXLvcsIHLFSnq59ieRZjdJUY:NDxekmDNAbcrFQqXieRZjda
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