djvu | 341f72e59033f8ec4ee807926dd45cea1d464bcd8fae77df7e332eab1022b762

General

Target
cd20318ec0a6315d6b8fd600104feea8.exe
Size 838KB
Sample230103-pwrtsaef5v
SHA256 341f72e59033f8ec4ee807926dd45cea1d464bcd8fae77df7e332eab1022b762
MD5 cd20318ec0a6315d6b8fd600104feea8
SHA1 0abb9f2a545c3b0076aa047b430a9632a108f804
SHA512 842aab82a4ed4c305c4d23199ad308c8cac7f49418fdbb4ccbbf8c7c871bf3416dff5e72a9cd7f99e2a01ae6e455958ce376ec10ffa4ead40d4768b68a786c5f
SSDEEP 24576:lSTNq22rvvwZy3F9sSwuws6MzG0wRTtN:72AvoZaeS4sOB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.znsm
offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start
https://steamcommunity.com/profiles/76561199467421923

Attributes

profile_id
19

Targets

- Target
  cd20318ec0a6315d6b8fd600104feea8.exe
- Size 838KB
- SHA256 341f72e59033f8ec4ee807926dd45cea1d464bcd8fae77df7e332eab1022b762
- MD5 cd20318ec0a6315d6b8fd600104feea8
- SHA1 0abb9f2a545c3b0076aa047b430a9632a108f804
- SHA512 842aab82a4ed4c305c4d23199ad308c8cac7f49418fdbb4ccbbf8c7c871bf3416dff5e72a9cd7f99e2a01ae6e455958ce376ec10ffa4ead40d4768b68a786c5f
- SSDEEP 24576:lSTNq22rvvwZy3F9sSwuws6MzG0wRTtN:72AvoZaeS4sOB
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 19 discovery persistence ransomware stealer spyware
- 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