djvu | c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e

General

Target

setup.exe
Size

801KB
Sample

230329-ckj9caed45
MD5

f7f0b8459e8a08d11bbb9a7d8e1d0115
SHA1

1e91352ad02b45a92313084a4fda39be383c6809
SHA256

c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e
SHA512

61dbab00c53977ba4e23d8524c170ff35b6a2e0383dd9b239e6d7defcd069111ae230f1d8a8d907d7a8816505ef61080717248e05ebf4c28516560efc5c71e63
SSDEEP

12288:PgC94Nyre3sEkj1NjD8oScKTPpVCays6zr8Qq7iCBPyYY28mpSu9:PaNyKhkj1NUoshVDyscrbqOCBaYouSa

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
  
  801KB
- MD5
  
  f7f0b8459e8a08d11bbb9a7d8e1d0115
- SHA1
  
  1e91352ad02b45a92313084a4fda39be383c6809
- SHA256
  
  c66908221964a5e47c5340f06e5292fa11cd3637a7e0c4b007fe2e8306382c3e
- SHA512
  
  61dbab00c53977ba4e23d8524c170ff35b6a2e0383dd9b239e6d7defcd069111ae230f1d8a8d907d7a8816505ef61080717248e05ebf4c28516560efc5c71e63
- SSDEEP
  
  12288:PgC94Nyre3sEkj1NjD8oScKTPpVCays6zr8Qq7iCBPyYY28mpSu9:PaNyKhkj1NUoshVDyscrbqOCBaYouSa
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware stealer spyware
- 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