djvu | 37884db3eed16492eae4908d26579e61405e67a30b60f44ff1a2e04c646a4016

General

Target

37884db3eed16492eae4908d26579e61405e67a30b60f44ff1a2e04c646a4016
Size

827KB
Sample

211206-l5wybagfd5
MD5

32767abc450f13131a2159d0813f7c96
SHA1

ac201be6ba67444d2452e794dd79dce1a1a477c6
SHA256

37884db3eed16492eae4908d26579e61405e67a30b60f44ff1a2e04c646a4016
SHA512

d4b9caa629dc522fb38d287df22eb9f094044b900aea4e54d2d17678d47551ce1901379ece114614f5519ec64ba9ace6286af3c05df824870d78d09e7b40f476

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Targets

- Target
  
  37884db3eed16492eae4908d26579e61405e67a30b60f44ff1a2e04c646a4016
- Size
  
  827KB
- MD5
  
  32767abc450f13131a2159d0813f7c96
- SHA1
  
  ac201be6ba67444d2452e794dd79dce1a1a477c6
- SHA256
  
  37884db3eed16492eae4908d26579e61405e67a30b60f44ff1a2e04c646a4016
- SHA512
  
  d4b9caa629dc522fb38d287df22eb9f094044b900aea4e54d2d17678d47551ce1901379ece114614f5519ec64ba9ace6286af3c05df824870d78d09e7b40f476
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
- Vidar Stealer
  stealer
- 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