djvu | 02ad64a49dfe3e1b0d3ff89636943b2587c00008bfae6489536eefa1cefb9a3a

General

Target

02ad64a49dfe3e1b0d3ff89636943b2587c00008bfae6489536eefa1cefb9a3a
Size

262KB
Sample

230225-qfx7asdc94
MD5

a9bdfc2541f186d16a356ec725c4cd80
SHA1

a16a631c640627eeda6912a6ee26ed186dc343e2
SHA256

02ad64a49dfe3e1b0d3ff89636943b2587c00008bfae6489536eefa1cefb9a3a
SHA512

5a4eccd822d49d7aa2ba0c0166a130383cbda60575d5f1bf2b545d41af7f7ab75d94b6a1ddf949c00fcf74ec54d6a007979935180830c7b5c0f714031f38fea3
SSDEEP

3072:j0BsaeWLiFD5gfHb32/TgN0QnQOzUQnt89xW+rP3NWqi6elhCo:YK0LCgfHb7k80zr0u

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://jiqaz.com/lancer/get.php

http://jiqaz.com/test2/get.php

Attributes

extension
.iotr
offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  02ad64a49dfe3e1b0d3ff89636943b2587c00008bfae6489536eefa1cefb9a3a
- Size
  
  262KB
- MD5
  
  a9bdfc2541f186d16a356ec725c4cd80
- SHA1
  
  a16a631c640627eeda6912a6ee26ed186dc343e2
- SHA256
  
  02ad64a49dfe3e1b0d3ff89636943b2587c00008bfae6489536eefa1cefb9a3a
- SHA512
  
  5a4eccd822d49d7aa2ba0c0166a130383cbda60575d5f1bf2b545d41af7f7ab75d94b6a1ddf949c00fcf74ec54d6a007979935180830c7b5c0f714031f38fea3
- SSDEEP
  
  3072:j0BsaeWLiFD5gfHb32/TgN0QnQOzUQnt89xW+rP3NWqi6elhCo:YK0LCgfHb7k80zr0u
Score

10^/10

djvu smokeloader vidar backdoor discovery evasion persistence ransomware stealer trojan vmprotect
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Stops running service(s)
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Modifies file permissions
  discovery
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Adds Run key to start application
  persistence
- 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