djvu | b90417c2707e137dfdfa52acd29d41233ad67ae5a30f96e4b57f9d7b94ab2f6c

General

Target

b90417c2707e137dfdfa52acd29d41233ad67ae5a30f96e4b57f9d7b94ab2f6c
Size

695KB
Sample

211126-e73ejsdga3
MD5

5036ac5bca654a03c42a91c9d31b4142
SHA1

93db00d5921ea5273928cf32e4b7cca4c392eaf5
SHA256

b90417c2707e137dfdfa52acd29d41233ad67ae5a30f96e4b57f9d7b94ab2f6c
SHA512

530b8fd958b9b1ec4fe44cfddf14fd1f6bf8e366baa44f9e266bf817ab1e64d6b0681dd6c2c9d5d6a5f3a883c707879c7e3d48481011fc5b015921ae1b8575c8

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.robm
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  b90417c2707e137dfdfa52acd29d41233ad67ae5a30f96e4b57f9d7b94ab2f6c
- Size
  
  695KB
- MD5
  
  5036ac5bca654a03c42a91c9d31b4142
- SHA1
  
  93db00d5921ea5273928cf32e4b7cca4c392eaf5
- SHA256
  
  b90417c2707e137dfdfa52acd29d41233ad67ae5a30f96e4b57f9d7b94ab2f6c
- SHA512
  
  530b8fd958b9b1ec4fe44cfddf14fd1f6bf8e366baa44f9e266bf817ab1e64d6b0681dd6c2c9d5d6a5f3a883c707879c7e3d48481011fc5b015921ae1b8575c8
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