djvu | 62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e

General

Target
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
Size 716KB
Sample230217-ms6sesfa42
SHA256 62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
MD5 e54ae4c8a68d9bb0b8e04bae12af7aa2
SHA1 e4add6a96dec78af50508a511154a7675d82cc34
SHA512 5d4d0fcc69299da6872e977542b748df0b4d13e2f77ba2dc3e4b809b80a56675ce5ada4c6e0e85339471c54a4e73f3e67dc78ad074d0606307fbdf0621a827a1
SSDEEP 12288:An4/FMTuxVkjT5wo99CfiCS5CDuisq61IWxVXO12cuukKDSPz3at:An4dS4VkjTqhfzJY7FTkyPzqt
MD5 SHA1 SHA512 SSDEEP

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
  62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
- Size 716KB
- SHA256 62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
- MD5 e54ae4c8a68d9bb0b8e04bae12af7aa2
- SHA1 e4add6a96dec78af50508a511154a7675d82cc34
- SHA512 5d4d0fcc69299da6872e977542b748df0b4d13e2f77ba2dc3e4b809b80a56675ce5ada4c6e0e85339471c54a4e73f3e67dc78ad074d0606307fbdf0621a827a1
- SSDEEP 12288:An4/FMTuxVkjT5wo99CfiCS5CDuisq61IWxVXO12cuukKDSPz3at:An4dS4VkjTqhfzJY7FTkyPzqt
- MD5 SHA1 SHA512 SSDEEP
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