djvu | bf83f801af254a6a762da872cb9215faf239d9d74aeb5850e5b63c114641f830

General

Target

bf83f801af254a6a762da872cb9215faf239d9d74aeb5850e5b63c114641f830
Size

846KB
Sample

211128-1zppdadgb8
MD5

5c1234ef1a3a6b597aaa09b7cf18d0f5
SHA1

0366a5d4e4ed47bca7374194bbb813b68cfe1bfa
SHA256

bf83f801af254a6a762da872cb9215faf239d9d74aeb5850e5b63c114641f830
SHA512

3e00e10e7de5df5215300ff0ed2a8fb76987bee384dc132e2d877d1162b6f16c849811c7a8ed5bafad4f974fa528ebdf610faa2710707e8339cdce80c9a6f05b

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
  
  bf83f801af254a6a762da872cb9215faf239d9d74aeb5850e5b63c114641f830
- Size
  
  846KB
- MD5
  
  5c1234ef1a3a6b597aaa09b7cf18d0f5
- SHA1
  
  0366a5d4e4ed47bca7374194bbb813b68cfe1bfa
- SHA256
  
  bf83f801af254a6a762da872cb9215faf239d9d74aeb5850e5b63c114641f830
- SHA512
  
  3e00e10e7de5df5215300ff0ed2a8fb76987bee384dc132e2d877d1162b6f16c849811c7a8ed5bafad4f974fa528ebdf610faa2710707e8339cdce80c9a6f05b
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