djvu | c17059360aa2f67c89a347feb4306d055e3e56523ea431a1701490a005903d1d

General

Target

c17059360aa2f67c89a347feb4306d055e3e56523ea431a1701490a005903d1d
Size

665KB
Sample

221006-dyw1qsgbh5
MD5

dac04bf5ad22b2b2fb80f236c89fcae8
SHA1

6e53fd2cb1baca78fc3b020f1217b0fb327b21ba
SHA256

c17059360aa2f67c89a347feb4306d055e3e56523ea431a1701490a005903d1d
SHA512

16471ba806660740975b63d4430e545637f7b91620fe1d223fb5f5f5a6bae0ee73982558ebaa51e89a98db3ffbf4ab9038b68a49a97a4757bf75739bee2abedf
SSDEEP

12288:TAgAcxO3QpVLFWqjc3X4DZX0jMv5fCCCdWrFsTDAJHv1JVlpQ1XTx3XaiioTh4z/:TOc/LEoIoC05VCdWxsExlp6TRXdiGhP6

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  c17059360aa2f67c89a347feb4306d055e3e56523ea431a1701490a005903d1d
- Size
  
  665KB
- MD5
  
  dac04bf5ad22b2b2fb80f236c89fcae8
- SHA1
  
  6e53fd2cb1baca78fc3b020f1217b0fb327b21ba
- SHA256
  
  c17059360aa2f67c89a347feb4306d055e3e56523ea431a1701490a005903d1d
- SHA512
  
  16471ba806660740975b63d4430e545637f7b91620fe1d223fb5f5f5a6bae0ee73982558ebaa51e89a98db3ffbf4ab9038b68a49a97a4757bf75739bee2abedf
- SSDEEP
  
  12288:TAgAcxO3QpVLFWqjc3X4DZX0jMv5fCCCdWrFsTDAJHv1JVlpQ1XTx3XaiioTh4z/:TOc/LEoIoC05VCdWxsExlp6TRXdiGhP6
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