djvu | 44b02c6a8d04b2d3a6f0a0279d5f2b541d8d294aa060eafe455c712d69bb792c

General

Target

44b02c6a8d04b2d3a6f0a0279d5f2b541d8d294aa060eafe455c712d69bb792c
Size

751KB
Sample

230402-qfwy8shg4v
MD5

f3aa9476e1bcafdd6f15afed9b69690b
SHA1

fa025688f9818c40c36e6b734ae2c4850e27d356
SHA256

44b02c6a8d04b2d3a6f0a0279d5f2b541d8d294aa060eafe455c712d69bb792c
SHA512

c904d31e2b5b5882e4e15b6da01bda7df4d17f4f26b6611ac1b9a45937eaa87b648246b13a200060dd3265cfa9091a8374e55a82b448ae18f19f1b8b94d70b4b
SSDEEP

12288:I1lwb8YUaMXV+xLVkvb7znOz9goWwuLAkUgfc6EVQWGAfxh8oCGt:Nb8UevjnA/uLAacyIhVCGt

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
  
  44b02c6a8d04b2d3a6f0a0279d5f2b541d8d294aa060eafe455c712d69bb792c
- Size
  
  751KB
- MD5
  
  f3aa9476e1bcafdd6f15afed9b69690b
- SHA1
  
  fa025688f9818c40c36e6b734ae2c4850e27d356
- SHA256
  
  44b02c6a8d04b2d3a6f0a0279d5f2b541d8d294aa060eafe455c712d69bb792c
- SHA512
  
  c904d31e2b5b5882e4e15b6da01bda7df4d17f4f26b6611ac1b9a45937eaa87b648246b13a200060dd3265cfa9091a8374e55a82b448ae18f19f1b8b94d70b4b
- SSDEEP
  
  12288:I1lwb8YUaMXV+xLVkvb7znOz9goWwuLAkUgfc6EVQWGAfxh8oCGt:Nb8UevjnA/uLAacyIhVCGt
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