djvu | ca21a0e0cc18e47454e1fa793f0c709da65c97026d0527342bef70df67ac02f6

General

Target

ca21a0e0cc18e47454e1fa793f0c709da65c97026d0527342bef70df67ac02f6
Size

791KB
Sample

220928-2erhxaacgr
MD5

b0ebd38bb13a6b4e1877a27e7f9c31ef
SHA1

822e2f160613fe706af51ab56fa5fa8e4eb88164
SHA256

ca21a0e0cc18e47454e1fa793f0c709da65c97026d0527342bef70df67ac02f6
SHA512

932eef01bf89bf2b816bad0eaa89406630c3ced7ebf45534a490b279d356f2389adfdd40553e2e08c6c8b50c76c3243f63f69db3e5f0d47495b0dd034d0d544c
SSDEEP

12288:tdLECoQjQnq3infTsGkpxWqAOhqWbZV3MhJtMAviazUTnE5mPgJ4IE8p:tdLE9QC1bsGex7bZqhPMXpE5mYJ4IE8

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.oflg
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  ca21a0e0cc18e47454e1fa793f0c709da65c97026d0527342bef70df67ac02f6
- Size
  
  791KB
- MD5
  
  b0ebd38bb13a6b4e1877a27e7f9c31ef
- SHA1
  
  822e2f160613fe706af51ab56fa5fa8e4eb88164
- SHA256
  
  ca21a0e0cc18e47454e1fa793f0c709da65c97026d0527342bef70df67ac02f6
- SHA512
  
  932eef01bf89bf2b816bad0eaa89406630c3ced7ebf45534a490b279d356f2389adfdd40553e2e08c6c8b50c76c3243f63f69db3e5f0d47495b0dd034d0d544c
- SSDEEP
  
  12288:tdLECoQjQnq3infTsGkpxWqAOhqWbZV3MhJtMAviazUTnE5mPgJ4IE8p:tdLE9QC1bsGex7bZqhPMXpE5mYJ4IE8
Score

10^/10

djvu vidar 517 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
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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