djvu | 834e12cc400e8a957b85ec622a530eeb2cf7fc1aba70b22bb8f909fb9a2c736a

General

Target

834e12cc400e8a957b85ec622a530eeb2cf7fc1aba70b22bb8f909fb9a2c736a
Size

710KB
Sample

230221-ae7fkseh41
MD5

ff33e6ea9b81f73f73099af12b33204a
SHA1

86e535c2b924fa2ad6afdcdcf256104fedca92f9
SHA256

834e12cc400e8a957b85ec622a530eeb2cf7fc1aba70b22bb8f909fb9a2c736a
SHA512

1bb88f68ce7f3daaf8efd5a02f7d618956a6be9db7476ef56280386a935fdcb9ea4f8b57349d4238df2c9b8cfaa01860ff4ddb9375dbe75c227010d079243fac
SSDEEP

12288:z8r3zLUwasWTAl+D3yzxCaQL1xx98m7dqBtRRNpnSyJS27nI:6fZaAl+D5dumAbjSgS20

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ioqa
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

Extracted

Family

vidar

Version

2.6

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  834e12cc400e8a957b85ec622a530eeb2cf7fc1aba70b22bb8f909fb9a2c736a
- Size
  
  710KB
- MD5
  
  ff33e6ea9b81f73f73099af12b33204a
- SHA1
  
  86e535c2b924fa2ad6afdcdcf256104fedca92f9
- SHA256
  
  834e12cc400e8a957b85ec622a530eeb2cf7fc1aba70b22bb8f909fb9a2c736a
- SHA512
  
  1bb88f68ce7f3daaf8efd5a02f7d618956a6be9db7476ef56280386a935fdcb9ea4f8b57349d4238df2c9b8cfaa01860ff4ddb9375dbe75c227010d079243fac
- SSDEEP
  
  12288:z8r3zLUwasWTAl+D3yzxCaQL1xx98m7dqBtRRNpnSyJS27nI:6fZaAl+D5dumAbjSgS20
Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- 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