djvu | fb711c647919ed07be47b8c00b07d5185af2d4085c8b5bd92e86e7fd397e2146

General

Target

JaffaCakes118_fb711c647919ed07be47b8c00b07d5185af2d4085c8b5bd92e86e7fd397e2146
Size

723KB
Sample

241229-czx4razlbw
MD5

82960dbe063a808d4bd5516400c91f48
SHA1

24e880b2b1a516f6a5bd51ec153e17b83e8ed4c4
SHA256

fb711c647919ed07be47b8c00b07d5185af2d4085c8b5bd92e86e7fd397e2146
SHA512

4190da2389223f42ab463136a1a39dddd9b6960ff55e944fcbb47fd89085d3f4e66c76e9431ad4fdfbc4e161ce27b812d377a8eec97b7c116dc482299775aec8
SSDEEP

12288:K4i3cWyrD7dwe5KLEqmJB5HUKIJc49jGuYBWDtgjWW4AmzdjJfsxqiiSt:4MNrDPKWjH5IJcMGua8gjWDzdWxNt

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.aamv
offline_id
MyudhIExJux2oRQXw95TT1oAPu7mvqRMzxr1eet1
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-4Xcf4IX21n 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: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0564Jhyjd

rsa_pubkey.plain

1
-----BEGIN PUBLIC KEY-----
2
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1d+WszdwJSamD+vTsy16
3
T/951dPYEUR/PCQJTU44huTcnB9npVtvVl0e+kuy9SIvK99hN9eQGE0c1JoDE/Y7
4
wCkK9tZ8+7C+nb2V81cVY/4IRiKXn3dwtkgaJvqWjPiowkRJ/5srOmUkxEPDOin3
5
r+65O1b0yfaBiiBupbH6zE7EsA9pUpujzcdKlBGZawaz2NqZrW4XctDwAtmSocxV
6
gXa50Ziba/sZuSk7NspWdn2RCSdsJ1NqS6om07Ct6J7ObqsK6ixsHL0InUYKRtDS
7
+R6YaYqCgNoF+YvUYJwa0WUxnVwNs1NfNmsSKeCNE+xHqtQnJuaSNJjacFwwv7zT
8
yQIDAQAB
9
-----END PUBLIC KEY-----

Targets

- Target
  
  8eb8b057cce7a0df5651d57a61fd3907d873dda063f6076d75a0b7485d7d40e2.exe
- Size
  
  820KB
- MD5
  
  2996dc273631274fcd381986e9e23f2e
- SHA1
  
  ad69287db23c83250f281056750422c30cb5de98
- SHA256
  
  8eb8b057cce7a0df5651d57a61fd3907d873dda063f6076d75a0b7485d7d40e2
- SHA512
  
  13c3ca3b4484f1dc4b7a0125c962526383ab2c9269f7affa1155b07b6c830d32da4070668db6ee847c4999b30d07eeecf5829cd149cbe150ebda8156c69d3029
- SSDEEP
  
  24576:wyZXj4J0UGyqJd1feLwGhreksOBt9DFcOsUi:wyZe0UGdrXGwev9xcO
Score

10^/10

djvu discovery persistence ransomware
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Djvu family
  djvu
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Modifies file permissions
  discovery
- 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 behavioral2