djvu | 18986939e58be6f3bf00da17648798093e64b6e190f63ed80ef613707db9a361

General

Target

18986939e58be6f3bf00da17648798093e64b6e190f63ed80ef613707db9a361
Size

745KB
Sample

230329-k8rbkaff56
MD5

7381ab8f286c107de62268b2eec1b821
SHA1

e9bd2c70e26ab0ef7098bd7dc5c71c1160e55cae
SHA256

18986939e58be6f3bf00da17648798093e64b6e190f63ed80ef613707db9a361
SHA512

855540a404317ad568b3f2acd5a37b76ee98706a15dacc8f2471a580d4b1890957e0cf994b501a1061ca3a3547250851a8d3cca5ebc94c0df90e2ea8d0f72852
SSDEEP

12288:oI2ywTjFOIqlerqyt4vtvAns1Y1toba3DDve0JjvT59ZfNoInEC:oxjFOIqoGL+tRDTe0JTVfNoIE

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  18986939e58be6f3bf00da17648798093e64b6e190f63ed80ef613707db9a361
- Size
  
  745KB
- MD5
  
  7381ab8f286c107de62268b2eec1b821
- SHA1
  
  e9bd2c70e26ab0ef7098bd7dc5c71c1160e55cae
- SHA256
  
  18986939e58be6f3bf00da17648798093e64b6e190f63ed80ef613707db9a361
- SHA512
  
  855540a404317ad568b3f2acd5a37b76ee98706a15dacc8f2471a580d4b1890957e0cf994b501a1061ca3a3547250851a8d3cca5ebc94c0df90e2ea8d0f72852
- SSDEEP
  
  12288:oI2ywTjFOIqlerqyt4vtvAns1Y1toba3DDve0JjvT59ZfNoInEC:oxjFOIqoGL+tRDTe0JTVfNoIE
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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