djvu | a5b6d7e8d3321782303c367b9d457c0a7f5806ff9c415df2b55e3a6dc51efddd

General

Target

file
Size

146KB
Sample

221006-t3lcssabhm
MD5

5dbee5162f032bf484ddbcc68eebbf42
SHA1

07e86d83adc3e04caf149922c48085b7639b6837
SHA256

a5b6d7e8d3321782303c367b9d457c0a7f5806ff9c415df2b55e3a6dc51efddd
SHA512

9324d7bb2fb4f25ad153cf381551e2da93d05be0f128298f5b1d9b9171561662faacb3f2af5b8a0fc619c84277126ce1a46efee19a99211c0a41f9256499e37a
SSDEEP

3072:q+2v/+Ll8dElnUCkUwottIz5uvrUrB2Le7u/XzFAj3O:q+SGLl8RCBwCOz552Lz/jFq

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
- Size
  
  146KB
- MD5
  
  5dbee5162f032bf484ddbcc68eebbf42
- SHA1
  
  07e86d83adc3e04caf149922c48085b7639b6837
- SHA256
  
  a5b6d7e8d3321782303c367b9d457c0a7f5806ff9c415df2b55e3a6dc51efddd
- SHA512
  
  9324d7bb2fb4f25ad153cf381551e2da93d05be0f128298f5b1d9b9171561662faacb3f2af5b8a0fc619c84277126ce1a46efee19a99211c0a41f9256499e37a
- SSDEEP
  
  3072:q+2v/+Ll8dElnUCkUwottIz5uvrUrB2Le7u/XzFAj3O:q+SGLl8RCBwCOz552Lz/jFq
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