djvu | 450b342676393ce9412cda8beee9fb1e46a936415e807b9715d7add4adedb7f7

General

Target

450b342676393ce9412cda8beee9fb1e46a936415e807b9715d7add4adedb7f7
Size

802KB
Sample

221227-zgyznagc68
MD5

7c3215984ddaf15491097c8b14e5343c
SHA1

6853ba2b5458c99695f218a7b0b0e169e9840744
SHA256

450b342676393ce9412cda8beee9fb1e46a936415e807b9715d7add4adedb7f7
SHA512

04a344a5b38c149cbc691084178504863beec16e4bc81cdf21882f9235d91c24b656e20276b2275c67a14167076c34da64491979aec5c5ff47814535dbd66c13
SSDEEP

24576:i4W+G52j5IWuHtKK1DFE3ISk7YI8nmtjd2:pV56WkK4FE3IbKwJ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.isal
offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  450b342676393ce9412cda8beee9fb1e46a936415e807b9715d7add4adedb7f7
- Size
  
  802KB
- MD5
  
  7c3215984ddaf15491097c8b14e5343c
- SHA1
  
  6853ba2b5458c99695f218a7b0b0e169e9840744
- SHA256
  
  450b342676393ce9412cda8beee9fb1e46a936415e807b9715d7add4adedb7f7
- SHA512
  
  04a344a5b38c149cbc691084178504863beec16e4bc81cdf21882f9235d91c24b656e20276b2275c67a14167076c34da64491979aec5c5ff47814535dbd66c13
- SSDEEP
  
  24576:i4W+G52j5IWuHtKK1DFE3ISk7YI8nmtjd2:pV56WkK4FE3IbKwJ
Score

10^/10

djvu discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- 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