djvu | 55f23721eb40f9900e8b8dad50d467e2be8ba729fbe0e477b02115b260b9d390

General

Target

55f23721eb40f9900e8b8dad50d467e2be8ba729fbe0e477b02115b260b9d390
Size

727KB
Sample

220907-ydvbmachc2
MD5

4c1b58ebff931967eea407695543e876
SHA1

2713f348393fa9054d560abd46897e1412981ebc
SHA256

55f23721eb40f9900e8b8dad50d467e2be8ba729fbe0e477b02115b260b9d390
SHA512

ad87bcf988e7233f32f063e2cb490946b997954c31111b187a5821c43f558c00c831b53eb1149d3aab4ab35b9a2ec268b33ae42ab33b1a82990fb762e3ba46ce
SSDEEP

12288:g7XpdQ+Y/W8mRIF6/XtFZj5ktJYMgH9/7nWeAeG/4NNcWa0QwoKT3DqcKUF:grpdQ+Y/W8XF6vxiJngd/7lGw3cWCpRy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test1/get.php

Attributes

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

http://acacaca.org/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-xuPJqoyzQE Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0554Jhyjd

rsa_pubkey.plain

Targets

- Target
  
  55f23721eb40f9900e8b8dad50d467e2be8ba729fbe0e477b02115b260b9d390
- Size
  
  727KB
- MD5
  
  4c1b58ebff931967eea407695543e876
- SHA1
  
  2713f348393fa9054d560abd46897e1412981ebc
- SHA256
  
  55f23721eb40f9900e8b8dad50d467e2be8ba729fbe0e477b02115b260b9d390
- SHA512
  
  ad87bcf988e7233f32f063e2cb490946b997954c31111b187a5821c43f558c00c831b53eb1149d3aab4ab35b9a2ec268b33ae42ab33b1a82990fb762e3ba46ce
- SSDEEP
  
  12288:g7XpdQ+Y/W8mRIF6/XtFZj5ktJYMgH9/7nWeAeG/4NNcWa0QwoKT3DqcKUF:grpdQ+Y/W8XF6vxiJngd/7lGw3cWCpRy
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