djvu | 6528879299661c9909cefd03ff878beb0857ac7253dc59bc62b79ca8c2c55092

General

Target

6528879299661c9909cefd03ff878beb0857ac7253dc59bc62b79ca8c2c55092
Size

265KB
Sample

221004-qk1g8abae4
MD5

c6c2a876ad2f818dded95d994329bc0c
SHA1

407b1a972560f4125b82a5ebf67b2947e8538699
SHA256

6528879299661c9909cefd03ff878beb0857ac7253dc59bc62b79ca8c2c55092
SHA512

ea5f3058117a54fdcf79f385842c3fae24c73519ffaf9b1f48fa84174c7a4e4ef6dc2aa847cdd8889b457a6b9505804ecf2fc86c4b771e81da667522ed40a0d5
SSDEEP

6144:fXTLUHU8vWqUzSw5TtCoHPUuzbgwu/+wVf2:fjwHUIWqd6TtbMunnV

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  6528879299661c9909cefd03ff878beb0857ac7253dc59bc62b79ca8c2c55092
- Size
  
  265KB
- MD5
  
  c6c2a876ad2f818dded95d994329bc0c
- SHA1
  
  407b1a972560f4125b82a5ebf67b2947e8538699
- SHA256
  
  6528879299661c9909cefd03ff878beb0857ac7253dc59bc62b79ca8c2c55092
- SHA512
  
  ea5f3058117a54fdcf79f385842c3fae24c73519ffaf9b1f48fa84174c7a4e4ef6dc2aa847cdd8889b457a6b9505804ecf2fc86c4b771e81da667522ed40a0d5
- SSDEEP
  
  6144:fXTLUHU8vWqUzSw5TtCoHPUuzbgwu/+wVf2:fjwHUIWqd6TtbMunnV
Score

10^/10

djvu smokeloader vidar 517 backdoor collection discovery persistence ransomware spyware stealer trojan
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- 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 Microsoft Outlook profiles
  collection
- 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