djvu | d80f99f7fd52bd712dfe525eff88a97ffe60e82c12e96b966b0ae8b644d45302

General

Target

d80f99f7fd52bd712dfe525eff88a97ffe60e82c12e96b966b0ae8b644d45302
Size

832KB
Sample

211127-lberyahhbk
MD5

11820b08e2a8515f5992c569ce16c5b1
SHA1

f3375a5bde12dd50fc0ac1ecc14a6d1df1099d3b
SHA256

d80f99f7fd52bd712dfe525eff88a97ffe60e82c12e96b966b0ae8b644d45302
SHA512

843515cf2141651588920f5b2899cbc3aa26d5a53c82955d135d1e0f194e74eb7d41611fb612b8252f6fef9e8a66da1773a7c86a5a1769100588cff500c89a45

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
  
  d80f99f7fd52bd712dfe525eff88a97ffe60e82c12e96b966b0ae8b644d45302
- Size
  
  832KB
- MD5
  
  11820b08e2a8515f5992c569ce16c5b1
- SHA1
  
  f3375a5bde12dd50fc0ac1ecc14a6d1df1099d3b
- SHA256
  
  d80f99f7fd52bd712dfe525eff88a97ffe60e82c12e96b966b0ae8b644d45302
- SHA512
  
  843515cf2141651588920f5b2899cbc3aa26d5a53c82955d135d1e0f194e74eb7d41611fb612b8252f6fef9e8a66da1773a7c86a5a1769100588cff500c89a45
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