djvu | c76cd81ef39ed879d6b91374f6a73674a742ddf8393dc757d81fd04b7c397e26

General

Target

c76cd81ef39ed879d6b91374f6a73674a742ddf8393dc757d81fd04b7c397e26
Size

752KB
Sample

230402-ljbp9aff44
MD5

c5502de824dd0972c9fd14604fc2e0f4
SHA1

81799daa2177044034238a440c9d98e8089badd0
SHA256

c76cd81ef39ed879d6b91374f6a73674a742ddf8393dc757d81fd04b7c397e26
SHA512

625189bf5e4b234288e9090b90d33af010737f05b9842e3a894954865e9886689ffa1bb3d934720ea688cb6c0bf9ad18a74eba69e60878d1171807517dd5dbe7
SSDEEP

12288:kWPYESJtivQRehdG9N6m4YOgjZ4RKeipxlu7EasE8ZejRWwXfrh4IVx:IES3Mm9NH4xg3BJud/8ajpVx

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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
  
  c76cd81ef39ed879d6b91374f6a73674a742ddf8393dc757d81fd04b7c397e26
- Size
  
  752KB
- MD5
  
  c5502de824dd0972c9fd14604fc2e0f4
- SHA1
  
  81799daa2177044034238a440c9d98e8089badd0
- SHA256
  
  c76cd81ef39ed879d6b91374f6a73674a742ddf8393dc757d81fd04b7c397e26
- SHA512
  
  625189bf5e4b234288e9090b90d33af010737f05b9842e3a894954865e9886689ffa1bb3d934720ea688cb6c0bf9ad18a74eba69e60878d1171807517dd5dbe7
- SSDEEP
  
  12288:kWPYESJtivQRehdG9N6m4YOgjZ4RKeipxlu7EasE8ZejRWwXfrh4IVx:IES3Mm9NH4xg3BJud/8ajpVx
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