djvu | 53305b35d4960f5de08205ef656f7432f8e58e5bc4cc736d8ca2f9af2282325b

General

Target

53305b35d4960f5de08205ef656f7432f8e58e5bc4cc736d8ca2f9af2282325b
Size

766KB
Sample

230723-zhe8yagg33
MD5

e171a6f67e6d2531ec27ac40ce49d49d
SHA1

222f0a903cefdbb3f3a91f2df68de4a183cba570
SHA256

53305b35d4960f5de08205ef656f7432f8e58e5bc4cc736d8ca2f9af2282325b
SHA512

45754460b9307db67a968ce8608f5a15fe06fb75f29c21fb3fcb2623eea0bd8557f28772e9d5fbe8487c291935bdf358f16067cc33d72e4e6895c2ee4fd7ed22
SSDEEP

12288:FKVXaCs4mWD3tjTe4auIGx96MtJ43+MiDvMKCory9mL/IgYNhyT6:F4Xp/xjTe4DXJVMMrP/KqW

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kitu
offline_id
NGHsYuVPwlgoEkG3ENtueNmXtFHSWod7fYayU9t1
payload_url
http://colisumy.com/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes

profile_id_v2
https://t.me/sundayevent
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

- Target
  
  53305b35d4960f5de08205ef656f7432f8e58e5bc4cc736d8ca2f9af2282325b
- Size
  
  766KB
- MD5
  
  e171a6f67e6d2531ec27ac40ce49d49d
- SHA1
  
  222f0a903cefdbb3f3a91f2df68de4a183cba570
- SHA256
  
  53305b35d4960f5de08205ef656f7432f8e58e5bc4cc736d8ca2f9af2282325b
- SHA512
  
  45754460b9307db67a968ce8608f5a15fe06fb75f29c21fb3fcb2623eea0bd8557f28772e9d5fbe8487c291935bdf358f16067cc33d72e4e6895c2ee4fd7ed22
- SSDEEP
  
  12288:FKVXaCs4mWD3tjTe4auIGx96MtJ43+MiDvMKCory9mL/IgYNhyT6:F4Xp/xjTe4DXJVMMrP/KqW
Score

10^/10

djvu vidar https://t.me/sundayevent 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