djvu | 5b6b782f9de3115bcba5592ae8de3f69c349c7b9c52b63d5edff6691a5817807

General

Target

5b6b782f9de3115bcba5592ae8de3f69c349c7b9c52b63d5edff6691a5817807
Size

294KB
Sample

221008-e56deseah9
MD5

4167826d2a9574ab9fca45f85f5fd6a0
SHA1

49a1aa342bd5b9a095f08742612f4ea5ae7e8c6f
SHA256

5b6b782f9de3115bcba5592ae8de3f69c349c7b9c52b63d5edff6691a5817807
SHA512

87f69337094ec586deaf34bc9c6a444f57de5fe7804a9a8f02dec9dc1caead2c39c6c4996608da0ef90936ca903b4258ec277565a7ff854d4b7b1b785f19cfae
SSDEEP

3072:6Xh84aFiZsmLj7fEXMw5v9Mo3V6v3ugHsE5OB7cKlQNlGi6VggjcGkNIVqIxM/hv:aS4j3s936vM7EvC7ITsqeewVf6XO

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.towz
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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
  
  5b6b782f9de3115bcba5592ae8de3f69c349c7b9c52b63d5edff6691a5817807
- Size
  
  294KB
- MD5
  
  4167826d2a9574ab9fca45f85f5fd6a0
- SHA1
  
  49a1aa342bd5b9a095f08742612f4ea5ae7e8c6f
- SHA256
  
  5b6b782f9de3115bcba5592ae8de3f69c349c7b9c52b63d5edff6691a5817807
- SHA512
  
  87f69337094ec586deaf34bc9c6a444f57de5fe7804a9a8f02dec9dc1caead2c39c6c4996608da0ef90936ca903b4258ec277565a7ff854d4b7b1b785f19cfae
- SSDEEP
  
  3072:6Xh84aFiZsmLj7fEXMw5v9Mo3V6v3ugHsE5OB7cKlQNlGi6VggjcGkNIVqIxM/hv:aS4j3s936vM7EvC7ITsqeewVf6XO
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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