djvu | 30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6

General

Target

30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6
Size

647KB
Sample

220927-a1aczaddcl
MD5

c1bf55712269a7da0bc3d94225b97240
SHA1

e1bf38a36df2c42af329cfa4f5e2caa52843a7dd
SHA256

30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6
SHA512

0e667a204d258cef08391f975261fc49063c83de96e806f72a320b534b93e1cfd6013b9a4e56c0d8abb56d115644a7e686ec33ac978c6248f13b3e2e3b3dda02
SSDEEP

12288:XOnidWRBe5EOVNzo4BDlUWaBIDO0HyOZFpNH6arrr570SdrUHY8y9NBQUUaYMrwI:+nGWRBe5TPYWaC/yIpvrrd70SNUHY3QE

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.oflg
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
  
  30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6
- Size
  
  647KB
- MD5
  
  c1bf55712269a7da0bc3d94225b97240
- SHA1
  
  e1bf38a36df2c42af329cfa4f5e2caa52843a7dd
- SHA256
  
  30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6
- SHA512
  
  0e667a204d258cef08391f975261fc49063c83de96e806f72a320b534b93e1cfd6013b9a4e56c0d8abb56d115644a7e686ec33ac978c6248f13b3e2e3b3dda02
- SSDEEP
  
  12288:XOnidWRBe5EOVNzo4BDlUWaBIDO0HyOZFpNH6arrr570SdrUHY8y9NBQUUaYMrwI:+nGWRBe5TPYWaC/yIpvrrd70SNUHY3QE
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