djvu | 9f6f60cf2939eb4a3dd3578790dfd7122cc9e89c248e8b4c2086ca3579549d9e

General

Target

9f6f60cf2939eb4a3dd3578790dfd7122cc9e89c248e8b4c2086ca3579549d9e
Size

664KB
Sample

221006-drwfmagbg4
MD5

ab588ece9842c824014b896fab00c0d9
SHA1

178a4fc3ee53ac17514c43774a705ffa082ccbf8
SHA256

9f6f60cf2939eb4a3dd3578790dfd7122cc9e89c248e8b4c2086ca3579549d9e
SHA512

e801ac5ff10a3f49e4004b09a6b7f7ec2003b365d1ff38407b1397fb9291be5a0b85582434469a51f64901fc57eeb46dbfe71aa9caed06f43f4e5e0274c5db50
SSDEEP

12288:4RwXB5m+6QBUYsK76dQeYXDSP55jy+3TL2/pcbB+E3quozhx6347GFZ:4e2+E67CQeYXGR5jycT4ctb6hzhx647K

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
  
  9f6f60cf2939eb4a3dd3578790dfd7122cc9e89c248e8b4c2086ca3579549d9e
- Size
  
  664KB
- MD5
  
  ab588ece9842c824014b896fab00c0d9
- SHA1
  
  178a4fc3ee53ac17514c43774a705ffa082ccbf8
- SHA256
  
  9f6f60cf2939eb4a3dd3578790dfd7122cc9e89c248e8b4c2086ca3579549d9e
- SHA512
  
  e801ac5ff10a3f49e4004b09a6b7f7ec2003b365d1ff38407b1397fb9291be5a0b85582434469a51f64901fc57eeb46dbfe71aa9caed06f43f4e5e0274c5db50
- SSDEEP
  
  12288:4RwXB5m+6QBUYsK76dQeYXDSP55jy+3TL2/pcbB+E3quozhx6347GFZ:4e2+E67CQeYXGR5jycT4ctb6hzhx647K
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