djvu | 9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43

General

Target

9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43
Size

750KB
Sample

230331-fy5c8aaa8s
MD5

d3de7bfe9de913d8f7d9d8bd1dd148d9
SHA1

ad027c7a9e5ff2f28c272148509707901d455da6
SHA256

9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43
SHA512

9a20d0483c151a9f7c622de054119c152c9c5f5cf69177c0cffba51e7c7e981a3d600d078f8c61e90699b96b073e43fd6ee50297b7cd5e8590400b19fe6ec3eb
SSDEEP

12288:CnOmjzFLYRTGqtW5wqiG1vQUCG/E9vC5Y8AwEekteVOlJp+Tn5IIo:IrzFERTntxqi4nCG/A8DmFpy5i

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jycx
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
  
  9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43
- Size
  
  750KB
- MD5
  
  d3de7bfe9de913d8f7d9d8bd1dd148d9
- SHA1
  
  ad027c7a9e5ff2f28c272148509707901d455da6
- SHA256
  
  9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43
- SHA512
  
  9a20d0483c151a9f7c622de054119c152c9c5f5cf69177c0cffba51e7c7e981a3d600d078f8c61e90699b96b073e43fd6ee50297b7cd5e8590400b19fe6ec3eb
- SSDEEP
  
  12288:CnOmjzFLYRTGqtW5wqiG1vQUCG/E9vC5Y8AwEekteVOlJp+Tn5IIo:IrzFERTntxqi4nCG/A8DmFpy5i
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