djvu | 347c353dc48489c02ab4ebf0af142f9a565efaa56359d7665b4e45cfa10410c5

General

Target

347c353dc48489c02ab4ebf0af142f9a565efaa56359d7665b4e45cfa10410c5
Size

792KB
Sample

221005-ljg72adhd9
MD5

d0988d9e4739c34369b2ec2d60fb91e8
SHA1

f66f48bf9576eec41a7fa44b4c7513cb9323c36f
SHA256

347c353dc48489c02ab4ebf0af142f9a565efaa56359d7665b4e45cfa10410c5
SHA512

c2e6b8e9337f2444d50065809f4245217ca2cb43aa5ae7664d18f16fd92ed79d691c5f37173de10b93b9cb05f41f2d5316a9a4e871b474dd1c3b42e7412430d9
SSDEEP

24576:fmqDS56pm8QghKeBlIvFQNSbtiSEUnU4z8:fRSgpm8QghlIvFKShipUC

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.adlg
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
  
  347c353dc48489c02ab4ebf0af142f9a565efaa56359d7665b4e45cfa10410c5
- Size
  
  792KB
- MD5
  
  d0988d9e4739c34369b2ec2d60fb91e8
- SHA1
  
  f66f48bf9576eec41a7fa44b4c7513cb9323c36f
- SHA256
  
  347c353dc48489c02ab4ebf0af142f9a565efaa56359d7665b4e45cfa10410c5
- SHA512
  
  c2e6b8e9337f2444d50065809f4245217ca2cb43aa5ae7664d18f16fd92ed79d691c5f37173de10b93b9cb05f41f2d5316a9a4e871b474dd1c3b42e7412430d9
- SSDEEP
  
  24576:fmqDS56pm8QghKeBlIvFQNSbtiSEUnU4z8:fRSgpm8QghlIvFKShipUC
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- 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 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