djvu | 9f35bbc4c3ff03fdb819e87c6b45031ac0ce281d79685130ebe0ec1c945f074d

General

Target

9f35bbc4c3ff03fdb819e87c6b45031ac0ce281d79685130ebe0ec1c945f074d
Size

824KB
Sample

230202-zd736afe59
MD5

53d784aeb0e7def91b9c18f4f4f95ead
SHA1

f363c7187d88c2adcd77245218b4da7752a19f24
SHA256

9f35bbc4c3ff03fdb819e87c6b45031ac0ce281d79685130ebe0ec1c945f074d
SHA512

70a0f2f70a634784cd84bb3b5540b89b41bd26ef2ea2d352787bc93db81d19aca06685542a6ec7a25bdbf75f40d017b812b2e3a90844f134b17c6bd0b7f96153
SSDEEP

24576:RJXHqdjrtCHugMMaBBy0V0T5KvIyy18Nleu:LGtAMxBBySE5KwWle

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.erqw
offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

2.3

Botnet

19

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes

profile_id
19

Targets

- Target
  
  9f35bbc4c3ff03fdb819e87c6b45031ac0ce281d79685130ebe0ec1c945f074d
- Size
  
  824KB
- MD5
  
  53d784aeb0e7def91b9c18f4f4f95ead
- SHA1
  
  f363c7187d88c2adcd77245218b4da7752a19f24
- SHA256
  
  9f35bbc4c3ff03fdb819e87c6b45031ac0ce281d79685130ebe0ec1c945f074d
- SHA512
  
  70a0f2f70a634784cd84bb3b5540b89b41bd26ef2ea2d352787bc93db81d19aca06685542a6ec7a25bdbf75f40d017b812b2e3a90844f134b17c6bd0b7f96153
- SSDEEP
  
  24576:RJXHqdjrtCHugMMaBBy0V0T5KvIyy18Nleu:LGtAMxBBySE5KwWle
Score

10^/10

djvu vidar 19 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