djvu | f561f526af9de9ff1dbedd400e70ef2e594bb6e1eceb3ec17d1edbf29d4557eb

General

Target

f561f526af9de9ff1dbedd400e70ef2e594bb6e1eceb3ec17d1edbf29d4557eb
Size

752KB
Sample

230402-nvwwnsgb38
MD5

2d23a8bf1233aa02bff9d141263883b8
SHA1

789f03b2b4044fd6854f8a98d1835bd8e1984748
SHA256

f561f526af9de9ff1dbedd400e70ef2e594bb6e1eceb3ec17d1edbf29d4557eb
SHA512

03cad58f488096a320a3657fc310ddd8a6f7c6455d4540faa49a6931a5f476abb28c5009bc4cdc721d489e64d069b7b27fb968f0d688292efdaa1b597c952552
SSDEEP

12288:8YnsjsvnTxbaWV0CMSJncmckkdUlRZQRrnxBUajz+mR11nRocpE:Wjsvn1GBn/mcUQvjm

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.niwm
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
  
  f561f526af9de9ff1dbedd400e70ef2e594bb6e1eceb3ec17d1edbf29d4557eb
- Size
  
  752KB
- MD5
  
  2d23a8bf1233aa02bff9d141263883b8
- SHA1
  
  789f03b2b4044fd6854f8a98d1835bd8e1984748
- SHA256
  
  f561f526af9de9ff1dbedd400e70ef2e594bb6e1eceb3ec17d1edbf29d4557eb
- SHA512
  
  03cad58f488096a320a3657fc310ddd8a6f7c6455d4540faa49a6931a5f476abb28c5009bc4cdc721d489e64d069b7b27fb968f0d688292efdaa1b597c952552
- SSDEEP
  
  12288:8YnsjsvnTxbaWV0CMSJncmckkdUlRZQRrnxBUajz+mR11nRocpE:Wjsvn1GBn/mcUQvjm
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