djvu | b92a587e4d9c109b7ed4915a2568be502a989d5ce36668a184244be7437846d9

General

Target
b92a587e4d9c109b7ed4915a2568be502a989d5ce36668a184244be7437846d9
Size 727KB
Sample220424-v1gr9seack
SHA256 b92a587e4d9c109b7ed4915a2568be502a989d5ce36668a184244be7437846d9
MD5 4cdf609d21d2c966d9890920a9918999
SHA1 332e54ed884feb3d64d46feeccfb144bb9fc4127
SHA512 860d5ed3fd6d6bf362fe900029f2b812a145c97702355e316583742c565ba848100857539fa136d810e452d433663156e4fe72837269e80d6103ad0fa8825811
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
  b92a587e4d9c109b7ed4915a2568be502a989d5ce36668a184244be7437846d9
- Size 727KB
- SHA256 b92a587e4d9c109b7ed4915a2568be502a989d5ce36668a184244be7437846d9
- MD5 4cdf609d21d2c966d9890920a9918999
- SHA1 332e54ed884feb3d64d46feeccfb144bb9fc4127
- SHA512 860d5ed3fd6d6bf362fe900029f2b812a145c97702355e316583742c565ba848100857539fa136d810e452d433663156e4fe72837269e80d6103ad0fa8825811
- 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