djvu | 15d3d1da57c511288b0fef72183dd6697ee4b264846b99f911b4f7510fbb72e8

General

Target

file.exe
Size

265KB
Sample

221004-j3valaace6
MD5

60480ca58b2614c7de9e132260bd1bc3
SHA1

432bbd4c2f7253b7efbbc4d4eb8f3bf1bcc4e9b3
SHA256

15d3d1da57c511288b0fef72183dd6697ee4b264846b99f911b4f7510fbb72e8
SHA512

0b2119246d4ec99821f460e2f0604d64d412b72dce41317b99db137e439a467796db8b993a6fefc707718f53998d4bd6b0160fbf571480dc622e0efc1e266342
SSDEEP

3072:cXhO38jOvLepfdYhLtK7B5xuVB/ywFb8FdNRfpxNpoKQQQQQQQQWrxpzbgqrukbX:YOPvLHLtocFrbCNZXo+uzbgwuLOwVf

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.exe
- Size
  
  265KB
- MD5
  
  60480ca58b2614c7de9e132260bd1bc3
- SHA1
  
  432bbd4c2f7253b7efbbc4d4eb8f3bf1bcc4e9b3
- SHA256
  
  15d3d1da57c511288b0fef72183dd6697ee4b264846b99f911b4f7510fbb72e8
- SHA512
  
  0b2119246d4ec99821f460e2f0604d64d412b72dce41317b99db137e439a467796db8b993a6fefc707718f53998d4bd6b0160fbf571480dc622e0efc1e266342
- SSDEEP
  
  3072:cXhO38jOvLepfdYhLtK7B5xuVB/ywFb8FdNRfpxNpoKQQQQQQQQWrxpzbgqrukbX:YOPvLHLtocFrbCNZXo+uzbgwuLOwVf
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
- 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