djvu | 201857a59c6dadb4803a329dac1ba8a5d46cfff6eddb9c80edb670cdfd8481a7

General

Target
0333f0a802f6d00b2bc65b636e4fefd9.exe
Size 888KB
Sample230903-h69c9agh47
SHA256 201857a59c6dadb4803a329dac1ba8a5d46cfff6eddb9c80edb670cdfd8481a7
MD5 0333f0a802f6d00b2bc65b636e4fefd9
SHA1 6232a249ee2d60d58293c577d46ae4dce1583b16
SHA512 4551dbc292c1f10ee1596b57bb4658f184a9b97e8fd0c265006b7a6f59e2bcc1323c622639c1be932c946fc9bc4849762d981f73528ac4b028978b3735c44cc8
SSDEEP 12288:+/HKtdg4DDFqbIKbPavgQZuk+3Cy4E5xQW365XotuVQZjCJpgLUeL/:+/qtdg4D+zDeZUiWAaOPgLHL/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nzqw
offline_id
fe7vbai057v1PzegcJrFdG7DjT3mL5gUtMQkLrt1
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

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor
https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

- Target
  0333f0a802f6d00b2bc65b636e4fefd9.exe
- Size 888KB
- SHA256 201857a59c6dadb4803a329dac1ba8a5d46cfff6eddb9c80edb670cdfd8481a7
- MD5 0333f0a802f6d00b2bc65b636e4fefd9
- SHA1 6232a249ee2d60d58293c577d46ae4dce1583b16
- SHA512 4551dbc292c1f10ee1596b57bb4658f184a9b97e8fd0c265006b7a6f59e2bcc1323c622639c1be932c946fc9bc4849762d981f73528ac4b028978b3735c44cc8
- SSDEEP 12288:+/HKtdg4DDFqbIKbPavgQZuk+3Cy4E5xQW365XotuVQZjCJpgLUeL/:+/qtdg4D+zDeZUiWAaOPgLHL/
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 25f5344bfcb62e75b7946c3a681aec54 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
- 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