djvu | cca18e1650fa82f0233dbf8a897793d3e5f8d258d4ce76e7915c63cc5efcabb0

General

Target

file.exe
Size

715KB
Sample

220924-kap1vacbgq
MD5

a7758558b4b7cc054abceff13adab239
SHA1

971192ff22f27861738bb90255a075c7e7c66d48
SHA256

cca18e1650fa82f0233dbf8a897793d3e5f8d258d4ce76e7915c63cc5efcabb0
SHA512

354a67af02df29e35e6a9547f88dcd8ac82ce9640f6675ba0f0a540de92940f409014cf3095d96b4a3d025479d4d6ce3961134e51e11dbe69b541d8786516070
SSDEEP

12288:q5ld/CHz3WbTMehxSNz1olkgcgAwASHoVpZpSwJEEVPqKXgx2sU01u1r:OdaTiMehxaEcgAzyoVprS1EdqBpU01u

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes

profile_id
517

Targets

- Target
  
  file.exe
- Size
  
  715KB
- MD5
  
  a7758558b4b7cc054abceff13adab239
- SHA1
  
  971192ff22f27861738bb90255a075c7e7c66d48
- SHA256
  
  cca18e1650fa82f0233dbf8a897793d3e5f8d258d4ce76e7915c63cc5efcabb0
- SHA512
  
  354a67af02df29e35e6a9547f88dcd8ac82ce9640f6675ba0f0a540de92940f409014cf3095d96b4a3d025479d4d6ce3961134e51e11dbe69b541d8786516070
- SSDEEP
  
  12288:q5ld/CHz3WbTMehxSNz1olkgcgAwASHoVpZpSwJEEVPqKXgx2sU01u1r:OdaTiMehxaEcgAzyoVprS1EdqBpU01u
Score

10^/10

djvu vidar 517 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
- 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