djvu | f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9

General

Target

f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
Size

834KB
Sample

211201-tmqmksdfdr
MD5

57628ca52a27eb17d907e97349a378b2
SHA1

92ba1384b4ad7835ce9da142af98cd7d2124a2a8
SHA256

f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
SHA512

2d855e259ac22958a91802941623ff38b0c6126694be40f2884563c446dfd14be43e07079e2a5633328cd5478f02dd103480b2c8af5406e96e015ba35aefa304

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes

extension
.yqal
offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Targets

- Target
  
  f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
- Size
  
  834KB
- MD5
  
  57628ca52a27eb17d907e97349a378b2
- SHA1
  
  92ba1384b4ad7835ce9da142af98cd7d2124a2a8
- SHA256
  
  f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
- SHA512
  
  2d855e259ac22958a91802941623ff38b0c6126694be40f2884563c446dfd14be43e07079e2a5633328cd5478f02dd103480b2c8af5406e96e015ba35aefa304
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata
- 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
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- 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