djvu | c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497

General

Target

05177199.exe
Size

684KB
Sample

230612-rgqz2scd93
MD5

07e322e00371943a3577322504276f9c
SHA1

492f80833aea121973be091e5634fd89d3ceb0d3
SHA256

c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497
SHA512

56155008c846382a8ddb8b814ce6208b10d69a4b340bcad7fd7d952b48ee913cafafe188ab76b6c4cbd3a7f2d065a99f4e464fd118832eb23917fe8bdded03bd
SSDEEP

12288:M2T7qAinDx1SYFfo7y7Uw/fsbDAOG4Vf7fjwO98DiWRWF6PHMx:MW7q722oO5fsfzrVTfsP9WFaH8

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ahtw
offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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

4.2

Botnet

a81bcf59d85e6e13257840e65b9d1da8

C2

https://steamcommunity.com/profiles/76561199511129510

https://t.me/rechnungsbetrag

Attributes

profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75

Targets

- Target
  
  05177199.exe
- Size
  
  684KB
- MD5
  
  07e322e00371943a3577322504276f9c
- SHA1
  
  492f80833aea121973be091e5634fd89d3ceb0d3
- SHA256
  
  c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497
- SHA512
  
  56155008c846382a8ddb8b814ce6208b10d69a4b340bcad7fd7d952b48ee913cafafe188ab76b6c4cbd3a7f2d065a99f4e464fd118832eb23917fe8bdded03bd
- SSDEEP
  
  12288:M2T7qAinDx1SYFfo7y7Uw/fsbDAOG4Vf7fjwO98DiWRWF6PHMx:MW7q722oO5fsfzrVTfsP9WFaH8
Score

10^/10

djvu vidar a81bcf59d85e6e13257840e65b9d1da8 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