djvu | bdfff70db1324d5c4646f0548b55131d39d97649491d2b4eaab18570d749c3e0

General

Target

bdfff70db1324d5c4646f0548b55131d39d97649491d2b4eaab18570d749c3e0
Size

834KB
Sample

211128-cg3lhsfaaj
MD5

aa281d6f4b1950803f6baf181f78899e
SHA1

036cea99ab18a87dfc711f50b338fc3074ee7311
SHA256

bdfff70db1324d5c4646f0548b55131d39d97649491d2b4eaab18570d749c3e0
SHA512

ead13b737e242485aa37a2fd9092bb314ad683a3de52704b31b0800c1e99b5d2c465b900114ba0570e9fd7b2c055fa34cbde0cdc27ad55b0a15c402e7d9a84c8

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.robm
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  bdfff70db1324d5c4646f0548b55131d39d97649491d2b4eaab18570d749c3e0
- Size
  
  834KB
- MD5
  
  aa281d6f4b1950803f6baf181f78899e
- SHA1
  
  036cea99ab18a87dfc711f50b338fc3074ee7311
- SHA256
  
  bdfff70db1324d5c4646f0548b55131d39d97649491d2b4eaab18570d749c3e0
- SHA512
  
  ead13b737e242485aa37a2fd9092bb314ad683a3de52704b31b0800c1e99b5d2c465b900114ba0570e9fd7b2c055fa34cbde0cdc27ad55b0a15c402e7d9a84c8
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