djvu | a02a154840e5b58d466e32f44dce05970e1f5d0ae239465ee00e8adc4fe01e66

General

Target
a02a154840e5b58d466e32f44dce05970e1f5d0ae239465ee00e8adc4fe01e66
Size 706KB
Sample221122-afl62acd79
SHA256 a02a154840e5b58d466e32f44dce05970e1f5d0ae239465ee00e8adc4fe01e66
MD5 4606c37f6db9826357ded261691df9df
SHA1 a8b89a2bd5f121bfc13ab086d8ecd38192c69c4b
SHA512 b65d3bdf0485b317c6d225cb1c540d068a25b33f1d55943f9df69d98659144bdc29cfc6b44d20921dc3857555e9bbf4c9857b7b149812cd6564f2f7fce9e9ea1
SSDEEP 12288:WVtB5zsfInSQbukbdiuJjfK7RHTDfnc3Dl+S30J++ryxNqMcHXeCXxO4I/gPTL/w:WvDzsQnSobdpIADsS+CKHvXxaW3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.7

Botnet

517

C2

https://t.me/deadftx
https://www.ultimate-guitar.com/u/smbfupkuhrgc1

Attributes

profile_id
517

Targets

- Target
  a02a154840e5b58d466e32f44dce05970e1f5d0ae239465ee00e8adc4fe01e66
- Size 706KB
- SHA256 a02a154840e5b58d466e32f44dce05970e1f5d0ae239465ee00e8adc4fe01e66
- MD5 4606c37f6db9826357ded261691df9df
- SHA1 a8b89a2bd5f121bfc13ab086d8ecd38192c69c4b
- SHA512 b65d3bdf0485b317c6d225cb1c540d068a25b33f1d55943f9df69d98659144bdc29cfc6b44d20921dc3857555e9bbf4c9857b7b149812cd6564f2f7fce9e9ea1
- SSDEEP 12288:WVtB5zsfInSQbukbdiuJjfK7RHTDfnc3Dl+S30J++ryxNqMcHXeCXxO4I/gPTL/w:WvDzsQnSobdpIADsS+CKHvXxaW3
- MD5 SHA1 SHA512 SSDEEP
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