djvu | a8a95f3896031505f39e337007eec9772ddee537be5783b64b9638fdb6f7ea47

General

Target

a8a95f3896031505f39e337007eec9772ddee537be5783b64b9638fdb6f7ea47
Size

846KB
Sample

211128-tn781scgg8
MD5

20e71cd091db2b03157f1757259c9dc0
SHA1

f169c9bdc27ef48d138727e4608fc6c4623d6c57
SHA256

a8a95f3896031505f39e337007eec9772ddee537be5783b64b9638fdb6f7ea47
SHA512

f1108b255d411ec43780cc0a691efe2ad80616c8f873d095bac821dbed48c3351270c1d8c694e151efba7b492b36af313a3fe3095e640db3b32b3e6e0c37c642

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
  
  a8a95f3896031505f39e337007eec9772ddee537be5783b64b9638fdb6f7ea47
- Size
  
  846KB
- MD5
  
  20e71cd091db2b03157f1757259c9dc0
- SHA1
  
  f169c9bdc27ef48d138727e4608fc6c4623d6c57
- SHA256
  
  a8a95f3896031505f39e337007eec9772ddee537be5783b64b9638fdb6f7ea47
- SHA512
  
  f1108b255d411ec43780cc0a691efe2ad80616c8f873d095bac821dbed48c3351270c1d8c694e151efba7b492b36af313a3fe3095e640db3b32b3e6e0c37c642
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