djvu | 4ff4c0cc45628e354d7b78ecc9c101b1e415e2dbe123717f47e0a6bbc07260ac

General

Target
4ff4c0cc45628e354d7b78ecc9c101b1e415e2dbe123717f47e0a6bbc07260ac
Size 342KB
Sample221204-lrcbraca5v
SHA256 4ff4c0cc45628e354d7b78ecc9c101b1e415e2dbe123717f47e0a6bbc07260ac
MD5 b2b85df334493b707eb639de28331b8a
SHA1 6a535dd2de73c00456b34682463d45bf903fc749
SHA512 e428aa176ed4cdb716ca54a4f38f4208748153c4b8b0411075f955f3397377c84379b5f02af7bba989ca22b03103e869e53071b828b72663748389d1c597b482
SSDEEP 6144:cIm5iZa6rX7QQl0yqHXMWoPipeuCt7ymlglpp0G1P09:cIm5iZ3rX7QQl0yKcWIxuCt7yWglcG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyit
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Targets

- Target
  4ff4c0cc45628e354d7b78ecc9c101b1e415e2dbe123717f47e0a6bbc07260ac
- Size 342KB
- SHA256 4ff4c0cc45628e354d7b78ecc9c101b1e415e2dbe123717f47e0a6bbc07260ac
- MD5 b2b85df334493b707eb639de28331b8a
- SHA1 6a535dd2de73c00456b34682463d45bf903fc749
- SHA512 e428aa176ed4cdb716ca54a4f38f4208748153c4b8b0411075f955f3397377c84379b5f02af7bba989ca22b03103e869e53071b828b72663748389d1c597b482
- SSDEEP 6144:cIm5iZa6rX7QQl0yqHXMWoPipeuCt7ymlglpp0G1P09:cIm5iZ3rX7QQl0yKcWIxuCt7yWglcG
- MD5 SHA1 SHA512 SSDEEP
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
- Drops file in Drivers directory
- 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
- Drops Chrome extension
- 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