djvu | 9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09

General

Target
9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
Size 715KB
Sample230217-h7k22sec64
SHA256 9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
MD5 42e387861bf0201233730279dc9319fb
SHA1 64eda2a134f91277935e0bd468a850ed80790c9c
SHA512 dfe46be83d2d78c496951fb5aa5001b1199c9e589fed6d84cf6a0d120774c4bc26880b7d9c1a57d3b40947c0f0b8d744db3a6741b9e549022fc3960bccdf7e72
SSDEEP 12288:XHWs90rZRy1sKzhqhZyMKrFWS09RKxwV6fFVrgSlEzePnw0ebEiNqDkS9KzuNlF:XHWqeZRir0sMk63hcfzlaelmbNwKS3F
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/test2/get.php

Attributes

extension
.hhee
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
- Size 715KB
- SHA256 9a7e02df1bea2e9b16b8ee7c51da5ed9a11c272d5a03df6dc6871285d0a6fd09
- MD5 42e387861bf0201233730279dc9319fb
- SHA1 64eda2a134f91277935e0bd468a850ed80790c9c
- SHA512 dfe46be83d2d78c496951fb5aa5001b1199c9e589fed6d84cf6a0d120774c4bc26880b7d9c1a57d3b40947c0f0b8d744db3a6741b9e549022fc3960bccdf7e72
- SSDEEP 12288:XHWs90rZRy1sKzhqhZyMKrFWS09RKxwV6fFVrgSlEzePnw0ebEiNqDkS9KzuNlF:XHWqeZRir0sMk63hcfzlaelmbNwKS3F
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 19 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