djvu | 036bbd6cc9028246cebc30dce2f7a6a596bfe3279a95203c86b2337b59cec484

General

Target

setup.exe
Size

686KB
Sample

230320-nvkteadc88
MD5

ca847a66a1ed7dd537d3fb9c6ff36f1b
SHA1

fb50ecbaa65038c4aa1838bd2c53354b29508aec
SHA256

036bbd6cc9028246cebc30dce2f7a6a596bfe3279a95203c86b2337b59cec484
SHA512

ddc74ac0919c47893c35c42f26a0e7b5a4c2a4b78111a166a627ae1b09c94d507fb43e537eba0c409b350842113677c7713641d6e56f4b7514b5ab660e3b50bd
SSDEEP

12288:MZQ6e28w6RF/Hvdefw5YGbeicQbQ0A5w6tNBB6jyBwsDYdghiXYzq:eAtXHvGw5D9n0f5HhB67PgQYz

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.dazx
offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes

profile_id_v2
d6ef050131e7d5a1d595c51613328971

Targets

- Target
  
  setup.exe
- Size
  
  686KB
- MD5
  
  ca847a66a1ed7dd537d3fb9c6ff36f1b
- SHA1
  
  fb50ecbaa65038c4aa1838bd2c53354b29508aec
- SHA256
  
  036bbd6cc9028246cebc30dce2f7a6a596bfe3279a95203c86b2337b59cec484
- SHA512
  
  ddc74ac0919c47893c35c42f26a0e7b5a4c2a4b78111a166a627ae1b09c94d507fb43e537eba0c409b350842113677c7713641d6e56f4b7514b5ab660e3b50bd
- SSDEEP
  
  12288:MZQ6e28w6RF/Hvdefw5YGbeicQbQ0A5w6tNBB6jyBwsDYdghiXYzq:eAtXHvGw5D9n0f5HhB67PgQYz
Score

10^/10

djvu vidar d6ef050131e7d5a1d595c51613328971 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 behavioral2