djvu | ced4c483838a068b4511d8c70fa970c22ba144d980ee021ea935152c62dedb4d

General

Target

ced4c483838a068b4511d8c70fa970c22ba144d980ee021ea935152c62dedb4d
Size

145KB
Sample

221006-qwlhfahgbl
MD5

8111b6f0f113195bb119ce3273a648ba
SHA1

b2cf990d1172ca4354ae6e28ddf688fdd3e62996
SHA256

ced4c483838a068b4511d8c70fa970c22ba144d980ee021ea935152c62dedb4d
SHA512

833f7f63e20558fb6d69110c0168246916fa396e9dab7ec0774a651dff53ac3682ae676de0494ca9d5b027ffcd1c21fb23082e1f7ead2c5b12ad66b730c2e738
SSDEEP

3072:DRCKC6EQL/7liMcyFTvDeTQIMPbxquKWb9O:D0cEQL/JDFjCTQIgbxquKs

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
  
  ced4c483838a068b4511d8c70fa970c22ba144d980ee021ea935152c62dedb4d
- Size
  
  145KB
- MD5
  
  8111b6f0f113195bb119ce3273a648ba
- SHA1
  
  b2cf990d1172ca4354ae6e28ddf688fdd3e62996
- SHA256
  
  ced4c483838a068b4511d8c70fa970c22ba144d980ee021ea935152c62dedb4d
- SHA512
  
  833f7f63e20558fb6d69110c0168246916fa396e9dab7ec0774a651dff53ac3682ae676de0494ca9d5b027ffcd1c21fb23082e1f7ead2c5b12ad66b730c2e738
- SSDEEP
  
  3072:DRCKC6EQL/7liMcyFTvDeTQIMPbxquKWb9O:D0cEQL/JDFjCTQIgbxquKs
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
- Legitimate hosting services abused for malware hosting/C2
- 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