djvu | a2f541e2808cea4850fe10287043ee45ee0944ac344937a2cf7323fafcded275

General

Target

a2f541e2808cea4850fe10287043ee45ee0944ac344937a2cf7323fafcded275
Size

853KB
Sample

211129-ndlz5sfaf9
MD5

c09079e2edd02d4cc0f55abd318f9664
SHA1

7304a1d64b4f4f4f96dc783e1bb64268e8872446
SHA256

a2f541e2808cea4850fe10287043ee45ee0944ac344937a2cf7323fafcded275
SHA512

45e462a82f34e8cb10ba60f49513912fb516eec42af146b2fcf34fdfc5b86b672d91d8f7ab8cc75a855c606650658df0de2d0391100ebf4c826c909e09008cad

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rigj
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
  
  a2f541e2808cea4850fe10287043ee45ee0944ac344937a2cf7323fafcded275
- Size
  
  853KB
- MD5
  
  c09079e2edd02d4cc0f55abd318f9664
- SHA1
  
  7304a1d64b4f4f4f96dc783e1bb64268e8872446
- SHA256
  
  a2f541e2808cea4850fe10287043ee45ee0944ac344937a2cf7323fafcded275
- SHA512
  
  45e462a82f34e8cb10ba60f49513912fb516eec42af146b2fcf34fdfc5b86b672d91d8f7ab8cc75a855c606650658df0de2d0391100ebf4c826c909e09008cad
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- 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
- 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