djvu | 2991d63cd584ca1fa3e3a629c1cad9fc1c8c3f63fdb4743f9cc8de6102940810

General

Target

2991d63cd584ca1fa3e3a629c1cad9fc1c8c3f63fdb4743f9cc8de6102940810
Size

785KB
Sample

221004-sm1xwabcf2
MD5

b1cf7ff591bffbb3b4ca15cc47c8ef94
SHA1

91fc9ebd48e02969dc0987b025b70c705abc9dc9
SHA256

2991d63cd584ca1fa3e3a629c1cad9fc1c8c3f63fdb4743f9cc8de6102940810
SHA512

a2fab0fc3e6ce4da0792069cb1ce433fa1045b4e023e4417c1f25cabcd49d93d386fa1d8b917365b20ed0addb2e5ce3a0f8adfde9b619ff5b27d8e4f67ea487d
SSDEEP

12288:TeKhi+T+35SU9IX8utLEGMI+FUQHflElSPRPRSuSP1iwEI6bAdmoyI/MgZunnl3P:TWjSUuXv5OfasPRPU1ikSZorylf

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
  
  2991d63cd584ca1fa3e3a629c1cad9fc1c8c3f63fdb4743f9cc8de6102940810
- Size
  
  785KB
- MD5
  
  b1cf7ff591bffbb3b4ca15cc47c8ef94
- SHA1
  
  91fc9ebd48e02969dc0987b025b70c705abc9dc9
- SHA256
  
  2991d63cd584ca1fa3e3a629c1cad9fc1c8c3f63fdb4743f9cc8de6102940810
- SHA512
  
  a2fab0fc3e6ce4da0792069cb1ce433fa1045b4e023e4417c1f25cabcd49d93d386fa1d8b917365b20ed0addb2e5ce3a0f8adfde9b619ff5b27d8e4f67ea487d
- SSDEEP
  
  12288:TeKhi+T+35SU9IX8utLEGMI+FUQHflElSPRPRSuSP1iwEI6bAdmoyI/MgZunnl3P:TWjSUuXv5OfasPRPU1ikSZorylf
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
- 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