djvu | b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223

General

Target

setup.exe
Size

694KB
Sample

230403-nsvwlaed58
MD5

f2ce45cda08cefde3dd8fd99d142ab21
SHA1

9249efe6e10b5c202f12349afd57f2011089ebff
SHA256

b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223
SHA512

508912686cb58cfd538dde285c14feea0692fda0d139bdff19662023a32f8b276c991e23071e5e1e835955f6d92efc74bd584ff83121dfcb0a1002ac75fc5f47
SSDEEP

12288:GiNsiC8NdT28cri9g/d4zHWug9v6ZdSDDD1YRkt4+Ne:GiNsihSriq14u+QvDeRIvk

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
  
  setup.exe
- Size
  
  694KB
- MD5
  
  f2ce45cda08cefde3dd8fd99d142ab21
- SHA1
  
  9249efe6e10b5c202f12349afd57f2011089ebff
- SHA256
  
  b9d3baecec2bc332785de9bb940c6ec3c28a3aa077af7ff9c1e7f3dee7a39223
- SHA512
  
  508912686cb58cfd538dde285c14feea0692fda0d139bdff19662023a32f8b276c991e23071e5e1e835955f6d92efc74bd584ff83121dfcb0a1002ac75fc5f47
- SSDEEP
  
  12288:GiNsiC8NdT28cri9g/d4zHWug9v6ZdSDDD1YRkt4+Ne:GiNsihSriq14u+QvDeRIvk
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware stealer spyware
- 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 behavioral2