djvu | 47afc68655fe32c499360b98a8e62d7ede24ecfbd31b7e97a5b8503ce0a1a659

General

Target
47afc68655fe32c499360b98a8e62d7ede24ecfbd31b7e97a5b8503ce0a1a659
Size 713KB
Sample221021-esdsmsbddl
SHA256 47afc68655fe32c499360b98a8e62d7ede24ecfbd31b7e97a5b8503ce0a1a659
MD5 0a48cb94d087c45731e65aa4a89a7af9
SHA1 b1149cb8aa53b14d538f6af1032a08a3c9beb440
SHA512 7665ab0c31e86f9401bc1c2e45ec1a354b6dd551eb34f6799112c1a26d6e912322b333fda61b7ee6cb40a4837dc85142d21725508011795d937848997390bda0
SSDEEP 12288:InYBpuR6NguVGcDdi4cQpIjSSYuScLqwNYZ4tGy7q8oqsQPYiD1jOIXKwYeOI+:IuptNg5CDZISI9xN/4y79bP06KwYL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  47afc68655fe32c499360b98a8e62d7ede24ecfbd31b7e97a5b8503ce0a1a659
- Size 713KB
- SHA256 47afc68655fe32c499360b98a8e62d7ede24ecfbd31b7e97a5b8503ce0a1a659
- MD5 0a48cb94d087c45731e65aa4a89a7af9
- SHA1 b1149cb8aa53b14d538f6af1032a08a3c9beb440
- SHA512 7665ab0c31e86f9401bc1c2e45ec1a354b6dd551eb34f6799112c1a26d6e912322b333fda61b7ee6cb40a4837dc85142d21725508011795d937848997390bda0
- SSDEEP 12288:InYBpuR6NguVGcDdi4cQpIjSSYuScLqwNYZ4tGy7q8oqsQPYiD1jOIXKwYeOI+:IuptNg5CDZISI9xN/4y79bP06KwYL
- MD5 SHA1 SHA512 SSDEEP
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
- 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