djvu | 713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a

General

Target

713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
Size

826KB
Sample

211206-br1n8sdbdk
MD5

7162279a34ac4b0e9629fd67cd001c0a
SHA1

b4cf2bf2681276dba68c63238d78b926695ad069
SHA256

713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
SHA512

ee14e2fea04d5c5a834e1d092a4d85c5d457b05b314fd5676bca19ca7a5750cc65642a9057630dfb314952341774e2aa596e982b93b8b8a237cc263172b8411a

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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
  
  713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
- Size
  
  826KB
- MD5
  
  7162279a34ac4b0e9629fd67cd001c0a
- SHA1
  
  b4cf2bf2681276dba68c63238d78b926695ad069
- SHA256
  
  713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
- SHA512
  
  ee14e2fea04d5c5a834e1d092a4d85c5d457b05b314fd5676bca19ca7a5750cc65642a9057630dfb314952341774e2aa596e982b93b8b8a237cc263172b8411a
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