djvu | 6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200

General

Target

file.exe
Size

777KB
Sample

220908-fv8w8sagfq
MD5

b3e457081acad76912cbdf15e3fb1dc7
SHA1

f22cc7127f02bc89995197612cf54f8b58b1c469
SHA256

6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200
SHA512

3105046d5901efc114711346509f04fec06ed56c4d4f08496d8be2c8dfd828966aa54bb23f315c94db1bf2d9c3cda4fe1c7b0693315fc371a21c0a3488d8f112
SSDEEP

12288:NTQZCuhNEizhIDopI+RuUbLgw5Z7bhYzjdSB9o3/iqSDXHCw8HoUQF09jtTV:tWjEi2DMuUbLRBh8e9oqpn8XX9hTV

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes

extension
.mmvb
offline_id
yd6oYv6aBN90yFzTWdZ34sXSXtXiauzOLXZyWht1
payload_url
http://rgyui.top/dl/build2.exe

http://acacaca.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  file.exe
- Size
  
  777KB
- MD5
  
  b3e457081acad76912cbdf15e3fb1dc7
- SHA1
  
  f22cc7127f02bc89995197612cf54f8b58b1c469
- SHA256
  
  6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200
- SHA512
  
  3105046d5901efc114711346509f04fec06ed56c4d4f08496d8be2c8dfd828966aa54bb23f315c94db1bf2d9c3cda4fe1c7b0693315fc371a21c0a3488d8f112
- SSDEEP
  
  12288:NTQZCuhNEizhIDopI+RuUbLgw5Z7bhYzjdSB9o3/iqSDXHCw8HoUQF09jtTV:tWjEi2DMuUbLRBh8e9oqpn8XX9hTV
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 behavioral2