djvu | 72cd1426f13a698c7d63a288f4920147812303e8f10a4e66e414cc7c2206381d

General

Target

buildp.exe
Size

841KB
Sample

220421-3vt5eadffr
MD5

efed57771cb41fdde63781d1e195912c
SHA1

a71b0545951c99eb6ad4a50c22d02c958003d920
SHA256

72cd1426f13a698c7d63a288f4920147812303e8f10a4e66e414cc7c2206381d
SHA512

6fd84f80ba5f3c53f48a6a0135cedc7b489cca419742e043116468bcda0898398dd7ddff4ac7d0d8b283312d4c411790b8ff74276f14016021597498b306a080

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.gtys
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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
  
  buildp.exe
- Size
  
  841KB
- MD5
  
  efed57771cb41fdde63781d1e195912c
- SHA1
  
  a71b0545951c99eb6ad4a50c22d02c958003d920
- SHA256
  
  72cd1426f13a698c7d63a288f4920147812303e8f10a4e66e414cc7c2206381d
- SHA512
  
  6fd84f80ba5f3c53f48a6a0135cedc7b489cca419742e043116468bcda0898398dd7ddff4ac7d0d8b283312d4c411790b8ff74276f14016021597498b306a080
Score

10^/10

djvu vidar 517 discovery persistence ransomware stealer suricata 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
- 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 behavioral2