djvu | be0729c80b5e015b49c122e855cfd4cc984b2f690c50606f310f1fe15d60c1f3

General

Target
file.exe
Size 266KB
Sample221007-jensxacbap
SHA256 be0729c80b5e015b49c122e855cfd4cc984b2f690c50606f310f1fe15d60c1f3
MD5 4bbad5620be736a0657666bd814354f9
SHA1 f8aacacccd8ec38810bb525a32e85500c72ad02d
SHA512 7ae201e3b7e19dec0d1b88d8a232133ae29eb77f9f3e633ec7b32bff4fb20ec0d6491ea00c612b047c2954ccfc8e36d007340184a0399d227a061672d213e4cc
SSDEEP 3072:aXYbhvxyUBmTEBZx5e1OevPVlp8gez2E03elBWrxpzbgqru2ENpZa9uD6VdyhkUI:6GyTE6FvJXW2E0Ofuzbgwu2ENwVfU
MD5 SHA1 SHA512 SSDEEP

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
  file.exe
- Size 266KB
- SHA256 be0729c80b5e015b49c122e855cfd4cc984b2f690c50606f310f1fe15d60c1f3
- MD5 4bbad5620be736a0657666bd814354f9
- SHA1 f8aacacccd8ec38810bb525a32e85500c72ad02d
- SHA512 7ae201e3b7e19dec0d1b88d8a232133ae29eb77f9f3e633ec7b32bff4fb20ec0d6491ea00c612b047c2954ccfc8e36d007340184a0399d227a061672d213e4cc
- SSDEEP 3072:aXYbhvxyUBmTEBZx5e1OevPVlp8gez2E03elBWrxpzbgqru2ENpZa9uD6VdyhkUI:6GyTE6FvJXW2E0Ofuzbgwu2ENwVfU
- 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
- 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 behavioral2