djvu | c7dc4e35346f493acc57c1b9a0864f739983bc70cd3e0bbdbec7461789f3c906

General

Target

c7dc4e35346f493acc57c1b9a0864f739983bc70cd3e0bbdbec7461789f3c906
Size

744KB
Sample

230329-g4842afa68
MD5

a900fdd07cb5295114c68a038f851d6c
SHA1

b8ccfd20f0740ea361ad9514a84744c0ec80edce
SHA256

c7dc4e35346f493acc57c1b9a0864f739983bc70cd3e0bbdbec7461789f3c906
SHA512

5e152afcc777887b881b57e6b0776330409a68a11f2d4782905ccfcc08251b6e57a71e3c1f5e67de079f64289cc72f3f54c03d5de43d9cda928e4fdd31cf6567
SSDEEP

12288:X0ROf1RKdXujsPz94QqcTJOwlcmO6lMzjL64vzTexy7PxDP9sdAv09yT:XdRaXujSp4QqmwwD36zjL6AzTexAPxDQ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jywd
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  c7dc4e35346f493acc57c1b9a0864f739983bc70cd3e0bbdbec7461789f3c906
- Size
  
  744KB
- MD5
  
  a900fdd07cb5295114c68a038f851d6c
- SHA1
  
  b8ccfd20f0740ea361ad9514a84744c0ec80edce
- SHA256
  
  c7dc4e35346f493acc57c1b9a0864f739983bc70cd3e0bbdbec7461789f3c906
- SHA512
  
  5e152afcc777887b881b57e6b0776330409a68a11f2d4782905ccfcc08251b6e57a71e3c1f5e67de079f64289cc72f3f54c03d5de43d9cda928e4fdd31cf6567
- SSDEEP
  
  12288:X0ROf1RKdXujsPz94QqcTJOwlcmO6lMzjL64vzTexy7PxDP9sdAv09yT:XdRaXujSp4QqmwwD36zjL6AzTexAPxDQ
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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
- 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