djvu | 8cd54880215988e7d01e964c1adbfda42666c0610bc4bb491eea272c7f24d498

General

Target

downloader.exe
Size

826KB
Sample

230520-m2kasaee6s
MD5

21f9782d9a94d0b50c647f9646179f71
SHA1

e4b0da208eef41a2bceb98ae9f10bcbe931eeda9
SHA256

8cd54880215988e7d01e964c1adbfda42666c0610bc4bb491eea272c7f24d498
SHA512

7786e847abbf4d3754904a898c6bd73270230b6d482c08a059f3246cd716fe6178592d60ec40f9b480ad4092793547191597bb7e99890ce8b6cbf912289458e7
SSDEEP

24576:zXyGxVFC+lcXJ0vdDxHGO5OtBBIdNacBkjJO:zJxbxlcX+vdDxHTyBIdNpk

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.gaze
offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes

profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Targets

- Target
  
  downloader.exe
- Size
  
  826KB
- MD5
  
  21f9782d9a94d0b50c647f9646179f71
- SHA1
  
  e4b0da208eef41a2bceb98ae9f10bcbe931eeda9
- SHA256
  
  8cd54880215988e7d01e964c1adbfda42666c0610bc4bb491eea272c7f24d498
- SHA512
  
  7786e847abbf4d3754904a898c6bd73270230b6d482c08a059f3246cd716fe6178592d60ec40f9b480ad4092793547191597bb7e99890ce8b6cbf912289458e7
- SSDEEP
  
  24576:zXyGxVFC+lcXJ0vdDxHGO5OtBBIdNacBkjJO:zJxbxlcX+vdDxHTyBIdNpk
Score

10^/10

djvu vidar 9dfa7ee730fa2f1efb5ed51dbbec22f5 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 behavioral2