djvu | caefec94c0e5bb899a37db8b1f470453ce8ad2050ace464a3e9c16f801f99c94

General

Target
78a67197c8c731983efab4b3b1628dcf.exe
Size 260KB
Sample230109-ccn8bseg5x
SHA256 caefec94c0e5bb899a37db8b1f470453ce8ad2050ace464a3e9c16f801f99c94
MD5 78a67197c8c731983efab4b3b1628dcf
SHA1 c6c81f099c9812e29a0b2394ba0a391cca8be5ba
SHA512 ef5acf958e5362367059410cd517da2cd067f0adb2a830470a08a6630931e7c951edea8ae80941c7b0831d74ea3169a2c3caa40b75780a962e0655ee6c162418
SSDEEP 3072:HEXEq03rANLI7PpPhBv8159MkE7GjmRNtmQbq/bHPm4yV//AdUnZH69hZCRRzMuN:gnNLWpPhBvdkK2+qv4/DZ6cqgd3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware spyware stealer trojan

Malware Config

Extracted

Family

djvu

C2

http://spaceris.com/lancer/get.php

Attributes

extension
.bpto
offline_id
pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1
payload_url
http://uaery.top/dl/build2.exe

http://spaceris.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
  78a67197c8c731983efab4b3b1628dcf.exe
- Size 260KB
- SHA256 caefec94c0e5bb899a37db8b1f470453ce8ad2050ace464a3e9c16f801f99c94
- MD5 78a67197c8c731983efab4b3b1628dcf
- SHA1 c6c81f099c9812e29a0b2394ba0a391cca8be5ba
- SHA512 ef5acf958e5362367059410cd517da2cd067f0adb2a830470a08a6630931e7c951edea8ae80941c7b0831d74ea3169a2c3caa40b75780a962e0655ee6c162418
- SSDEEP 3072:HEXEq03rANLI7PpPhBv8159MkE7GjmRNtmQbq/bHPm4yV//AdUnZH69hZCRRzMuN:gnNLWpPhBvdkK2+qv4/DZ6cqgd3
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

smokeloader backdoor trojan djvu vidar 19 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Blocklisted process makes network request
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2