djvu | 931c5424899abbe7c082eeb601d35a70f7b50150e6d4ea4529ed19de91700cb9

General

Target

931c5424899abbe7c082eeb601d35a70f7b50150e6d4ea4529ed19de91700cb9
Size

753KB
Sample

230217-avqg1ach36
MD5

82685329da7df871f0970fb59256a662
SHA1

55745c5aba2ebee644d76e7f6fe820b615d6ed97
SHA256

931c5424899abbe7c082eeb601d35a70f7b50150e6d4ea4529ed19de91700cb9
SHA512

c6d630bdc78dd2886d97663dfd462e1620b71ecac6b26e8dcc5c72e5fa876c88a32ecb294be71b060b4e0c3fda1611385e9af0f18092cfd0b4816e81abbe7509
SSDEEP

12288:YAPxzAwSFiizz4YeRu9RGbe9ouaG1XQy7GXI3h/EHT7rOfQ5bzUTt5l:Y0AwSNzz4Yew9UbwWC1R3KPmQ5az

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hhee
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  931c5424899abbe7c082eeb601d35a70f7b50150e6d4ea4529ed19de91700cb9
- Size
  
  753KB
- MD5
  
  82685329da7df871f0970fb59256a662
- SHA1
  
  55745c5aba2ebee644d76e7f6fe820b615d6ed97
- SHA256
  
  931c5424899abbe7c082eeb601d35a70f7b50150e6d4ea4529ed19de91700cb9
- SHA512
  
  c6d630bdc78dd2886d97663dfd462e1620b71ecac6b26e8dcc5c72e5fa876c88a32ecb294be71b060b4e0c3fda1611385e9af0f18092cfd0b4816e81abbe7509
- SSDEEP
  
  12288:YAPxzAwSFiizz4YeRu9RGbe9ouaG1XQy7GXI3h/EHT7rOfQ5bzUTt5l:Y0AwSNzz4Yew9UbwWC1R3KPmQ5az
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
- 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