djvu | 2b0ab5baa742cb7ff638bc8ff486e64ad0885880061836728e1f457137b1d91e

General

Target

2b0ab5baa742cb7ff638bc8ff486e64ad0885880061836728e1f457137b1d91e
Size

846KB
Sample

211128-rre1jahfem
MD5

96a854335dc3281b75bd8d719a318595
SHA1

232b141f2ad97236771d4ce671b9d9794f11cb90
SHA256

2b0ab5baa742cb7ff638bc8ff486e64ad0885880061836728e1f457137b1d91e
SHA512

d9a81a632a5d16335da2c6874d9e39b2bf1e4d52a95e733b0fc517f8cbfe27f62b58aad5174fe9d75d1392963ff6e32b1bc6fe6b289bc56017f753010c754cc9

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
  
  2b0ab5baa742cb7ff638bc8ff486e64ad0885880061836728e1f457137b1d91e
- Size
  
  846KB
- MD5
  
  96a854335dc3281b75bd8d719a318595
- SHA1
  
  232b141f2ad97236771d4ce671b9d9794f11cb90
- SHA256
  
  2b0ab5baa742cb7ff638bc8ff486e64ad0885880061836728e1f457137b1d91e
- SHA512
  
  d9a81a632a5d16335da2c6874d9e39b2bf1e4d52a95e733b0fc517f8cbfe27f62b58aad5174fe9d75d1392963ff6e32b1bc6fe6b289bc56017f753010c754cc9
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