djvu | e3032449abc9c33b26bed77108e5047d659e2f01bd61e348d80f2b0d1d4db905

General

Target

e3032449abc9c33b26bed77108e5047d659e2f01bd61e348d80f2b0d1d4db905
Size

272KB
Sample

221005-nc7kfsebf2
MD5

c774e5b8dbc7ce39310b2275ea5a23c5
SHA1

23aa29d5a0236a02e7593279e1b618def7e77ec2
SHA256

e3032449abc9c33b26bed77108e5047d659e2f01bd61e348d80f2b0d1d4db905
SHA512

62bf01d8fd95fbbc2bcf4991a7b621452f529c92b136994e174849c3bdab5c8f9f5b13117b7e10cce652f6e7aef9350553bbf09b892d3c3a6df571f8c91555e2
SSDEEP

6144:HZfqbnZLEs10zuMybfgF3cDuzbgwu5WHwVf:HdqbZYs1dbIF3gunn

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
  
  e3032449abc9c33b26bed77108e5047d659e2f01bd61e348d80f2b0d1d4db905
- Size
  
  272KB
- MD5
  
  c774e5b8dbc7ce39310b2275ea5a23c5
- SHA1
  
  23aa29d5a0236a02e7593279e1b618def7e77ec2
- SHA256
  
  e3032449abc9c33b26bed77108e5047d659e2f01bd61e348d80f2b0d1d4db905
- SHA512
  
  62bf01d8fd95fbbc2bcf4991a7b621452f529c92b136994e174849c3bdab5c8f9f5b13117b7e10cce652f6e7aef9350553bbf09b892d3c3a6df571f8c91555e2
- SSDEEP
  
  6144:HZfqbnZLEs10zuMybfgF3cDuzbgwu5WHwVf:HdqbZYs1dbIF3gunn
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
- 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