djvu | 2b76754ee322238d966131043ed1636a65d5e208ebba27fe50d057c54e6bf91a

General

Target
2b76754ee322238d966131043ed1636a65d5e208ebba27fe50d057c54e6bf91a
Size 713KB
Sample221020-2ffg2ahcdp
SHA256 2b76754ee322238d966131043ed1636a65d5e208ebba27fe50d057c54e6bf91a
MD5 7be74bb040f92184a672419efc77a496
SHA1 c52058414af3863166837603d527bbc80a661740
SHA512 1153d880bf4901af611703626e0d87ec10f09d72f3754a688386680b5ced3b52beb87302d37acee44751c859f308ba557fc34e123339a2f38c550167f10a0def
SSDEEP 12288:x6uqSAW6YkN1W/1zxV35fgmGQ5oyfD+BB1grBTnuFpCFKLizoIL35aFSFSu:x+1JDN1M3BcoLOBatnuuFKLin5P
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  2b76754ee322238d966131043ed1636a65d5e208ebba27fe50d057c54e6bf91a
- Size 713KB
- SHA256 2b76754ee322238d966131043ed1636a65d5e208ebba27fe50d057c54e6bf91a
- MD5 7be74bb040f92184a672419efc77a496
- SHA1 c52058414af3863166837603d527bbc80a661740
- SHA512 1153d880bf4901af611703626e0d87ec10f09d72f3754a688386680b5ced3b52beb87302d37acee44751c859f308ba557fc34e123339a2f38c550167f10a0def
- SSDEEP 12288:x6uqSAW6YkN1W/1zxV35fgmGQ5oyfD+BB1grBTnuFpCFKLizoIL35aFSFSu:x+1JDN1M3BcoLOBatnuuFKLin5P
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 517 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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