djvu | 85ae36de948e04fbe04a1f00f1e9bbe308efef5e6737f7e28f01938ac861b9eb

General

Target
126758b8920b1f160b7514d160cd9231.exe
Size 784KB
Sample221004-h13zaaghf9
SHA256 85ae36de948e04fbe04a1f00f1e9bbe308efef5e6737f7e28f01938ac861b9eb
MD5 126758b8920b1f160b7514d160cd9231
SHA1 e4ffb4b32dd630d4afe9ae46c86f4aedf75696c8
SHA512 140aebc2557c953313e98fa58f254def96207c097bea6810f3317739da6916e49c15d3c1d657043700f1211f2ee13a4d1f89d2b40408ab8b07710210b3dfd052
SSDEEP 12288:GmwcSdavclP6RuwEgGEmTrinTKdN5NPjoTw3dF99pD4YgqrunnhK:GmwcEIu3x4wNLPvnQng
MD5 SHA1 SHA512 SSDEEP

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
  126758b8920b1f160b7514d160cd9231.exe
- Size 784KB
- SHA256 85ae36de948e04fbe04a1f00f1e9bbe308efef5e6737f7e28f01938ac861b9eb
- MD5 126758b8920b1f160b7514d160cd9231
- SHA1 e4ffb4b32dd630d4afe9ae46c86f4aedf75696c8
- SHA512 140aebc2557c953313e98fa58f254def96207c097bea6810f3317739da6916e49c15d3c1d657043700f1211f2ee13a4d1f89d2b40408ab8b07710210b3dfd052
- SSDEEP 12288:GmwcSdavclP6RuwEgGEmTrinTKdN5NPjoTw3dF99pD4YgqrunnhK:GmwcEIu3x4wNLPvnQng
- 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 behavioral2