djvu | 184d6240dfa9edde7cc4d5b36b00e0e3867615e1f3657e622efc7ba3d209f28d

General

Target

184d6240dfa9edde7cc4d5b36b00e0e3867615e1f3657e622efc7ba3d209f28d
Size

713KB
Sample

221020-wlr55agdgm
MD5

834a323906991c4b8ee66821b896428f
SHA1

2f755df86474aaa1b20fd7787d6da183e3311ff2
SHA256

184d6240dfa9edde7cc4d5b36b00e0e3867615e1f3657e622efc7ba3d209f28d
SHA512

8f6cb97650a66d0a2fe19ce0dd9540e03bf081e51c359393f921cb62c0ea5c9eee03e7ce0d1c8e3ff8d81e04cf5e50c06b84591c1c2b17fa5a33f06554d4a491
SSDEEP

12288:xiRa0ImNmac1fR5/m5uNRRP+FwbogZO3gye1T5hwAbpC/Ca9:x9xaURgurdxbogZnDnbpDa

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk

https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  
  184d6240dfa9edde7cc4d5b36b00e0e3867615e1f3657e622efc7ba3d209f28d
- Size
  
  713KB
- MD5
  
  834a323906991c4b8ee66821b896428f
- SHA1
  
  2f755df86474aaa1b20fd7787d6da183e3311ff2
- SHA256
  
  184d6240dfa9edde7cc4d5b36b00e0e3867615e1f3657e622efc7ba3d209f28d
- SHA512
  
  8f6cb97650a66d0a2fe19ce0dd9540e03bf081e51c359393f921cb62c0ea5c9eee03e7ce0d1c8e3ff8d81e04cf5e50c06b84591c1c2b17fa5a33f06554d4a491
- SSDEEP
  
  12288:xiRa0ImNmac1fR5/m5uNRRP+FwbogZO3gye1T5hwAbpC/Ca9:x9xaURgurdxbogZnDnbpDa
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
- 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