djvu | 371640bdae10bc105c17682b23136a9cfa00b1e281417b7480153f56f2ddbd33

General

Target

371640bdae10bc105c17682b23136a9cfa00b1e281417b7480153f56f2ddbd33
Size

752KB
Sample

230402-1afp6sca9v
MD5

98afcd997d59584516e6f18a35769f22
SHA1

dbbfd24a5d71bd8c0773dae4c4f9881b47a5d2b6
SHA256

371640bdae10bc105c17682b23136a9cfa00b1e281417b7480153f56f2ddbd33
SHA512

8a90fc7a75b8ff806fb443b4f931fe9e917017cdc6af8a870a8573dba999b4eb30b5d29a052a9fbe0219eed8bf4ee4d0f6d1b6000f3470754aadadf2e98f1c97
SSDEEP

12288:+l6U4s3yZn5gb55D3ZEhk/CDwsVQC1oh5fv0HmcTBXCXPHGdkMGsKUJdgLGt:84suCDDGhMtsVQvh5fsHxTBXOGdkdLGt

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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
  
  371640bdae10bc105c17682b23136a9cfa00b1e281417b7480153f56f2ddbd33
- Size
  
  752KB
- MD5
  
  98afcd997d59584516e6f18a35769f22
- SHA1
  
  dbbfd24a5d71bd8c0773dae4c4f9881b47a5d2b6
- SHA256
  
  371640bdae10bc105c17682b23136a9cfa00b1e281417b7480153f56f2ddbd33
- SHA512
  
  8a90fc7a75b8ff806fb443b4f931fe9e917017cdc6af8a870a8573dba999b4eb30b5d29a052a9fbe0219eed8bf4ee4d0f6d1b6000f3470754aadadf2e98f1c97
- SSDEEP
  
  12288:+l6U4s3yZn5gb55D3ZEhk/CDwsVQC1oh5fv0HmcTBXCXPHGdkMGsKUJdgLGt:84suCDDGhMtsVQvh5fsHxTBXOGdkdLGt
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