djvu | 3929a6e8ef700a76b5fb6a2de43e9fe6398364a227a1467de06cab0c9c1b483a

General

Target

3929a6e8ef700a76b5fb6a2de43e9fe6398364a227a1467de06cab0c9c1b483a
Size

272KB
Sample

221005-nrd7fsedel
MD5

32ea6ee9af62d3bfb158927c0f82b429
SHA1

7580751441e15c09b091b297f21036cd34c0254d
SHA256

3929a6e8ef700a76b5fb6a2de43e9fe6398364a227a1467de06cab0c9c1b483a
SHA512

046a838107da6e341263a1789685596a0b89ef4165c9ca91ac0847725fd050d7d552b2425ac7e463b79e115aa2110848d25f73e07ef1e64dd8e5705f5f314062
SSDEEP

6144:zvfqTLLiA5KhkQON29Z0uzbgwuix5bWEwUoXwVf:zXqTLuA5ZQONQaunnHHbWSo

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
  
  3929a6e8ef700a76b5fb6a2de43e9fe6398364a227a1467de06cab0c9c1b483a
- Size
  
  272KB
- MD5
  
  32ea6ee9af62d3bfb158927c0f82b429
- SHA1
  
  7580751441e15c09b091b297f21036cd34c0254d
- SHA256
  
  3929a6e8ef700a76b5fb6a2de43e9fe6398364a227a1467de06cab0c9c1b483a
- SHA512
  
  046a838107da6e341263a1789685596a0b89ef4165c9ca91ac0847725fd050d7d552b2425ac7e463b79e115aa2110848d25f73e07ef1e64dd8e5705f5f314062
- SSDEEP
  
  6144:zvfqTLLiA5KhkQON29Z0uzbgwuix5bWEwUoXwVf:zXqTLuA5ZQONQaunnHHbWSo
Score

10^/10

djvu smokeloader vidar 517 backdoor collection discovery persistence pyinstaller 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