djvu | a6c20d4fc83999e20bfe527cc2e3fd4836d7e4d637becc1dfd80bcbbe7e83fb2

General

Target

a6c20d4fc83999e20bfe527cc2e3fd4836d7e4d637becc1dfd80bcbbe7e83fb2
Size

758KB
Sample

230401-cl26jsfc97
MD5

4265b3eaf36054ea93e905bb4f898703
SHA1

73772c6de440bedf5a65d970714aef7275dd44d7
SHA256

a6c20d4fc83999e20bfe527cc2e3fd4836d7e4d637becc1dfd80bcbbe7e83fb2
SHA512

3353ca871fffeac02061ed2926623fc7968985537145c24758c4f1b8f8204130d33f67d2cf5607ea7cb1b2961170c387efb3880c1b3b4a1ed48d80d4b29e8893
SSDEEP

12288:CIkDqarLQpiaZQoAV2G1M4YmGhmXZ8Fxkz7+S+MJuiVGRN8980:CnDqdq2yNYm+mXZs2H+YlK89b

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
  
  a6c20d4fc83999e20bfe527cc2e3fd4836d7e4d637becc1dfd80bcbbe7e83fb2
- Size
  
  758KB
- MD5
  
  4265b3eaf36054ea93e905bb4f898703
- SHA1
  
  73772c6de440bedf5a65d970714aef7275dd44d7
- SHA256
  
  a6c20d4fc83999e20bfe527cc2e3fd4836d7e4d637becc1dfd80bcbbe7e83fb2
- SHA512
  
  3353ca871fffeac02061ed2926623fc7968985537145c24758c4f1b8f8204130d33f67d2cf5607ea7cb1b2961170c387efb3880c1b3b4a1ed48d80d4b29e8893
- SSDEEP
  
  12288:CIkDqarLQpiaZQoAV2G1M4YmGhmXZ8Fxkz7+S+MJuiVGRN8980:CnDqdq2yNYm+mXZs2H+YlK89b
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