djvu | 6e238c048c0abb166fdde310f0c3ab7a8c1aa8376cb7bca00bb998209ab23798

General

Target
file.exe
Size 265KB
Sample221004-n7fefsagh8
SHA256 6e238c048c0abb166fdde310f0c3ab7a8c1aa8376cb7bca00bb998209ab23798
MD5 b2214433c37e14ca35c94e01b4029000
SHA1 c6636f22d589241d888bcb3adb890e743ca41670
SHA512 444ab538056c9f818ac1487b8918da1b0b0a44af52f8aac44ab4e83aeb5dba1903c9c00442efd950b08deafbdbeb7342c48ca5c9d4b9f6d86f4f40bebbd25d6a
SSDEEP 3072:EXhTs6qjLjgqc6MFX5PG5EUS5NQeQz9tetqAyZIBXWrxpzbgqruKsO56U1c0pZa+:AyFLgFX19OrUtkuBXuzbgwuKwUJwVfU
MD5 SHA1 SHA512 SSDEEP

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
  file.exe
- Size 265KB
- SHA256 6e238c048c0abb166fdde310f0c3ab7a8c1aa8376cb7bca00bb998209ab23798
- MD5 b2214433c37e14ca35c94e01b4029000
- SHA1 c6636f22d589241d888bcb3adb890e743ca41670
- SHA512 444ab538056c9f818ac1487b8918da1b0b0a44af52f8aac44ab4e83aeb5dba1903c9c00442efd950b08deafbdbeb7342c48ca5c9d4b9f6d86f4f40bebbd25d6a
- SSDEEP 3072:EXhTs6qjLjgqc6MFX5PG5EUS5NQeQz9tetqAyZIBXWrxpzbgqruKsO56U1c0pZa+:AyFLgFX19OrUtkuBXuzbgwuKwUJwVfU
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

smokeloader backdoor trojan djvu vidar 517 collection discovery persistence ransomware spyware stealer
- 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
- 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 behavioral2