djvu | 74badcb115e5303658cf59d54c2c2805eb7fb1ba42286af0fa081ce12b004e9a

General

Target

74badcb115e5303658cf59d54c2c2805eb7fb1ba42286af0fa081ce12b004e9a
Size

790KB
Sample

230605-3vfxsabg5y
MD5

c426e3df02903601e0e15d4ebd782afc
SHA1

040951ea6c56c4ab025e832c78b125fb5088086d
SHA256

74badcb115e5303658cf59d54c2c2805eb7fb1ba42286af0fa081ce12b004e9a
SHA512

6906117e9df7420d10fd21ccbd793da735478c75ac8fc77de0dcfceccaf7c645f5b1b1f00df2d3e626794579a70ff59772689d47a4d113f1c4fcf7039e7e94bc
SSDEEP

12288:b6kqcmozVUrhZBQy00prbNJFhxMhdQltF2tHt02ZcdUiwqQWkS7QbJcfD/F:WA5zVchkyl1N/mSl3s5ZcdXQWk5UL

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nerz
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Targets

- Target
  
  74badcb115e5303658cf59d54c2c2805eb7fb1ba42286af0fa081ce12b004e9a
- Size
  
  790KB
- MD5
  
  c426e3df02903601e0e15d4ebd782afc
- SHA1
  
  040951ea6c56c4ab025e832c78b125fb5088086d
- SHA256
  
  74badcb115e5303658cf59d54c2c2805eb7fb1ba42286af0fa081ce12b004e9a
- SHA512
  
  6906117e9df7420d10fd21ccbd793da735478c75ac8fc77de0dcfceccaf7c645f5b1b1f00df2d3e626794579a70ff59772689d47a4d113f1c4fcf7039e7e94bc
- SSDEEP
  
  12288:b6kqcmozVUrhZBQy00prbNJFhxMhdQltF2tHt02ZcdUiwqQWkS7QbJcfD/F:WA5zVchkyl1N/mSl3s5ZcdXQWk5UL
Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 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