djvu | a479b59009d9606796b922e175f0ef91439176f800585e29abb4d03152bec5d4

General

Target

a479b59009d9606796b922e175f0ef91439176f800585e29abb4d03152bec5d4
Size

820KB
Sample

211204-yywp7aecd8
MD5

0f65a28cb61b3a60027b993f4598fc4f
SHA1

d19bc02c908ebe88988cff276d4b9511c7ba70f0
SHA256

a479b59009d9606796b922e175f0ef91439176f800585e29abb4d03152bec5d4
SHA512

7715d31a35f887788c7e7f1453889d92f77d09cc657ed2a27029c75d703456e97f8772bee217f14d42406cbfc29a2b1fd1ccf496e8a549d53c09324946f2a89a

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes

extension
.hgsh
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

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

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Targets

- Target
  
  a479b59009d9606796b922e175f0ef91439176f800585e29abb4d03152bec5d4
- Size
  
  820KB
- MD5
  
  0f65a28cb61b3a60027b993f4598fc4f
- SHA1
  
  d19bc02c908ebe88988cff276d4b9511c7ba70f0
- SHA256
  
  a479b59009d9606796b922e175f0ef91439176f800585e29abb4d03152bec5d4
- SHA512
  
  7715d31a35f887788c7e7f1453889d92f77d09cc657ed2a27029c75d703456e97f8772bee217f14d42406cbfc29a2b1fd1ccf496e8a549d53c09324946f2a89a
Score

10^/10

djvu vidar 517 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
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- 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