djvu | 0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457

General

Target

0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457
Size

781KB
Sample

230531-tbzfcafh72
MD5

f3ba3595dd007c09e2002092f06be895
SHA1

c8c53a198bba0de74b739648f94a85764c1864ec
SHA256

0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457
SHA512

20299e2bc7cae6616c9bab403d7b7b1212f952e3720e8637715fab5b21a07a182c3a9f000194475d120ad7e0323f5ec1629b43c9871b429da30b057c764622e8
SSDEEP

24576:OCbbO+wUX5ykUeL49y5TuAG/7qiB0m8VDe:OCHO+tM0zuAC7qA0m8VD

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/lancer/get.php

Attributes

extension
.weqp
offline_id
D4KWjM5DY4jRN5T36xETsvDrARq2cCeStxvviHt1
payload_url
http://colisumy.com/dl/build2.exe

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

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Targets

- Target
  
  0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457
- Size
  
  781KB
- MD5
  
  f3ba3595dd007c09e2002092f06be895
- SHA1
  
  c8c53a198bba0de74b739648f94a85764c1864ec
- SHA256
  
  0f2a9d928bae37f713d8b044e0fb144e04a7bafedc31c0808c3282b578007457
- SHA512
  
  20299e2bc7cae6616c9bab403d7b7b1212f952e3720e8637715fab5b21a07a182c3a9f000194475d120ad7e0323f5ec1629b43c9871b429da30b057c764622e8
- SSDEEP
  
  24576:OCbbO+wUX5ykUeL49y5TuAG/7qiB0m8VDe:OCHO+tM0zuAC7qA0m8VD
Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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