djvu | c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4

General

Target
c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4
Size 852KB
Sample230726-jmdynsac25
SHA256 c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4
MD5 d94db1f722e69107e566660571b65b97
SHA1 8d14973c05990ee7a891d04569fcb704288e3337
SHA512 fa84b479a17dbee5c53bf9a3e7564b369f7f967c76c036e5be2c4f29b4872bf83aaf4d48b2adffaab6c215a0cb667256822c13742980c2beb126236897ac63fc
SSDEEP 12288:Cqd/ck6dcLpgo6sfJp3tWSEUZWKSWNfQkU8yYOilaqer0QcsMCPYPjmz:n76KLL6sfNWnUAKSW1U8JDUUQcJjmz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.wsaz
offline_id
7X6susBgNzwvmNWz9bMuyhXEUD44D10UNodg0Zt1
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

4.9

Botnet

https://t.me/dastantim

C2

https://t.me/dastantim
https://steamcommunity.com/profiles/76561199529242058

Attributes

profile_id_v2
https://t.me/dastantim
user_agent
Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Targets

- Target
  c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4
- Size 852KB
- SHA256 c5243d753e69d2287547089972532d19674371fb8084ba7a8fc25a20fa7bcfe4
- MD5 d94db1f722e69107e566660571b65b97
- SHA1 8d14973c05990ee7a891d04569fcb704288e3337
- SHA512 fa84b479a17dbee5c53bf9a3e7564b369f7f967c76c036e5be2c4f29b4872bf83aaf4d48b2adffaab6c215a0cb667256822c13742980c2beb126236897ac63fc
- SSDEEP 12288:Cqd/ck6dcLpgo6sfJp3tWSEUZWKSWNfQkU8yYOilaqer0QcsMCPYPjmz:n76KLL6sfNWnUAKSW1U8JDUUQcJjmz
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar https://t.me/dastantim 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
- 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