djvu | 373ec048b42907a0c5a80262e265c093effeb1a932d2efc507b5f9a2ac4c4502

General

Target
373ec048b42907a0c5a80262e265c093effeb1a932d2efc507b5f9a2ac4c4502
Size 727KB
Sample220424-q3s6vsdgem
SHA256 373ec048b42907a0c5a80262e265c093effeb1a932d2efc507b5f9a2ac4c4502
MD5 258db065e78278e7f5bf235ee54e96c2
SHA1 c2aa27c506115868507707c971f43ae3313c9c11
SHA512 163ddaaad60458aed9d747aff241a38ece5d262b55687c43afd14635aeeb34e7e594b4494f08c9c5efbe0466f3aecc43fa5e49ffbf77d22abb5000f525afa9c5
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.dmay
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428
https://koyu.space/@ronxik123

Attributes

profile_id
517

Targets

- Target
  373ec048b42907a0c5a80262e265c093effeb1a932d2efc507b5f9a2ac4c4502
- Size 727KB
- SHA256 373ec048b42907a0c5a80262e265c093effeb1a932d2efc507b5f9a2ac4c4502
- MD5 258db065e78278e7f5bf235ee54e96c2
- SHA1 c2aa27c506115868507707c971f43ae3313c9c11
- SHA512 163ddaaad60458aed9d747aff241a38ece5d262b55687c43afd14635aeeb34e7e594b4494f08c9c5efbe0466f3aecc43fa5e49ffbf77d22abb5000f525afa9c5
- MD5 SHA1 SHA512
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata
- 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
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- Vidar Stealer
  stealer
- 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