djvu | 51a661586c25a846dfa287462db2a9877e0264b5e712561026262de744ac9c26

General

Target

51a661586c25a846dfa287462db2a9877e0264b5e712561026262de744ac9c26
Size

705KB
Sample

211127-aappzaagh5
MD5

48ba848ad339feca6f10dee5148bc983
SHA1

9cc4a0e0a0c3bbb0a46f9f01b4bb9516a1bd4331
SHA256

51a661586c25a846dfa287462db2a9877e0264b5e712561026262de744ac9c26
SHA512

9fd53ea98f8f429c28f1d0a4a282f1f257df8f65405e2a62b9fa33929a09592c59c52ebb4ebf039737de38b5f320d95eb5b8f437f9c3e7ed443927401dde04ce

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
  
  51a661586c25a846dfa287462db2a9877e0264b5e712561026262de744ac9c26
- Size
  
  705KB
- MD5
  
  48ba848ad339feca6f10dee5148bc983
- SHA1
  
  9cc4a0e0a0c3bbb0a46f9f01b4bb9516a1bd4331
- SHA256
  
  51a661586c25a846dfa287462db2a9877e0264b5e712561026262de744ac9c26
- SHA512
  
  9fd53ea98f8f429c28f1d0a4a282f1f257df8f65405e2a62b9fa33929a09592c59c52ebb4ebf039737de38b5f320d95eb5b8f437f9c3e7ed443927401dde04ce
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