djvu | 6437cb895026ec594f91e2e19332ab4345f408fb85e2ca6a4feaa03413293ed8

General

Target

6437cb895026ec594f91e2e19332ab4345f408fb85e2ca6a4feaa03413293ed8
Size

820KB
Sample

211205-fhrr7acacm
MD5

b7cc1aa63d647621ec465e72ee34852b
SHA1

a57696c074cb05616f6a2281b78e1a7326a8106d
SHA256

6437cb895026ec594f91e2e19332ab4345f408fb85e2ca6a4feaa03413293ed8
SHA512

9ddb2474b00fc83787dd0c70929e0db088877a44e9d797a177425f826fec0250b3148224ee118b3e684ca12baf8d7c3413ba4955cea9a3801b1bbac10e4124a6

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hgsh
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
  
  6437cb895026ec594f91e2e19332ab4345f408fb85e2ca6a4feaa03413293ed8
- Size
  
  820KB
- MD5
  
  b7cc1aa63d647621ec465e72ee34852b
- SHA1
  
  a57696c074cb05616f6a2281b78e1a7326a8106d
- SHA256
  
  6437cb895026ec594f91e2e19332ab4345f408fb85e2ca6a4feaa03413293ed8
- SHA512
  
  9ddb2474b00fc83787dd0c70929e0db088877a44e9d797a177425f826fec0250b3148224ee118b3e684ca12baf8d7c3413ba4955cea9a3801b1bbac10e4124a6
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