djvu | 7e5dd9a0f29589c8ae9a99708f893e6b16d4a82875007d54424ba9ed13341027

General

Target

7e5dd9a0f29589c8ae9a99708f893e6b16d4a82875007d54424ba9ed13341027
Size

735KB
Sample

230329-ychanshf63
MD5

629b58e6cbb37b826aa7b8c35664c14f
SHA1

eed08ddcd5a8693979a27f5965c0969e7e991d91
SHA256

7e5dd9a0f29589c8ae9a99708f893e6b16d4a82875007d54424ba9ed13341027
SHA512

8863cff33832aa9fbef6060e77b7e57f5503764a03417933862b531607d8cd44a2564c68668e76d7f60a78b76f0492e3d528e844fbcb537b3120df50a64ab142
SSDEEP

12288:BOmliFRpOEzjxXXKHn6Bn2MPXL6qtqdvoles2MSr7w3UJ3+oKwyyhi5is1pnrfm:B81OOFXKHVMfL6qsPzMeCUJ3VKwyyhiv

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
  
  7e5dd9a0f29589c8ae9a99708f893e6b16d4a82875007d54424ba9ed13341027
- Size
  
  735KB
- MD5
  
  629b58e6cbb37b826aa7b8c35664c14f
- SHA1
  
  eed08ddcd5a8693979a27f5965c0969e7e991d91
- SHA256
  
  7e5dd9a0f29589c8ae9a99708f893e6b16d4a82875007d54424ba9ed13341027
- SHA512
  
  8863cff33832aa9fbef6060e77b7e57f5503764a03417933862b531607d8cd44a2564c68668e76d7f60a78b76f0492e3d528e844fbcb537b3120df50a64ab142
- SSDEEP
  
  12288:BOmliFRpOEzjxXXKHn6Bn2MPXL6qtqdvoles2MSr7w3UJ3+oKwyyhi5is1pnrfm:B81OOFXKHVMfL6qsPzMeCUJ3VKwyyhiv
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
- 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