djvu | 9f0a0e4b936386ed2d57db2d6798751a85ecc8adb4c564df609224d021c8e0cc

General

Target

setup.exe
Size

732KB
Sample

230329-cfj3saed32
MD5

113b0d0652ed11ec2aca19820ae115d0
SHA1

5c33af06f0a16d261ff59df4107c07faf0cc6e00
SHA256

9f0a0e4b936386ed2d57db2d6798751a85ecc8adb4c564df609224d021c8e0cc
SHA512

eeb453c154f5ba6984c75c953585548bcc5237b3fad973e2c34feeb1a39f3302c2b4af02b0507df624b6e9f7ed7c6f5a5b813cfbc85d0e9027f165d319297a15
SSDEEP

12288:q0dtzfwaa7SQyh5VlsKZTTK2ops5zdqL9ShTjVk4kZjBhZFvw2:RjwaHQyrzsKZijp+dqotk4u

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
  
  setup.exe
- Size
  
  732KB
- MD5
  
  113b0d0652ed11ec2aca19820ae115d0
- SHA1
  
  5c33af06f0a16d261ff59df4107c07faf0cc6e00
- SHA256
  
  9f0a0e4b936386ed2d57db2d6798751a85ecc8adb4c564df609224d021c8e0cc
- SHA512
  
  eeb453c154f5ba6984c75c953585548bcc5237b3fad973e2c34feeb1a39f3302c2b4af02b0507df624b6e9f7ed7c6f5a5b813cfbc85d0e9027f165d319297a15
- SSDEEP
  
  12288:q0dtzfwaa7SQyh5VlsKZTTK2ops5zdqL9ShTjVk4kZjBhZFvw2:RjwaHQyrzsKZijp+dqotk4u
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 behavioral2