djvu | 8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a

General

Target

8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
Size

706KB
Sample

230310-q8bh1afg51
MD5

4df8e589bcc9458c58cd6e0c4ccf7289
SHA1

f2f3c4fd6b0db9cbced2ece93f0fbb6982ec36fd
SHA256

8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
SHA512

049b67f0ebca27fc6892106aa029f14340a6ed5cfb1e7fb2d5bb71eaebbbd1c3cb4a7fd18fbf0f550d378e20b2ef771b24b70df0f2df194c7cc33daba27a72da
SSDEEP

12288:miTsvu+9IP5qsrZXSvIb73kPB7UAibY4amaysXsfMxz3PAH:mjvmPssrZLk1DmaF7P

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.cosw
offline_id
fTU4hYOJ0niv7WAg9utRTzxXv2TcoEvGPJhzIot1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.9

Botnet

694f12963bedb0c6040fb3c74aac71e5

C2

https://t.me/nemesisgrow

https://steamcommunity.com/profiles/76561199471222742

http://65.109.12.165:80

Attributes

profile_id_v2
694f12963bedb0c6040fb3c74aac71e5

Targets

- Target
  
  8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
- Size
  
  706KB
- MD5
  
  4df8e589bcc9458c58cd6e0c4ccf7289
- SHA1
  
  f2f3c4fd6b0db9cbced2ece93f0fbb6982ec36fd
- SHA256
  
  8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
- SHA512
  
  049b67f0ebca27fc6892106aa029f14340a6ed5cfb1e7fb2d5bb71eaebbbd1c3cb4a7fd18fbf0f550d378e20b2ef771b24b70df0f2df194c7cc33daba27a72da
- SSDEEP
  
  12288:miTsvu+9IP5qsrZXSvIb73kPB7UAibY4amaysXsfMxz3PAH:mjvmPssrZLk1DmaF7P
Score

10^/10

djvu vidar 694f12963bedb0c6040fb3c74aac71e5 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