djvu | ff608fc36f275e6d2b4e14619f9b0e66def833b8564372658ff740436718a385

General

Target

ff608fc36f275e6d2b4e14619f9b0e66def833b8564372658ff740436718a385
Size

787KB
Sample

230903-k79rhsgg6t
MD5

a4f786ca9129752c85d806faeb9bd809
SHA1

d71ad35c39784885cfa5f1424d4787fc38bbebe7
SHA256

ff608fc36f275e6d2b4e14619f9b0e66def833b8564372658ff740436718a385
SHA512

8858f4b8764b2b19faf351968b2a06d0b528a7d34b33953ee648c64f8b9cd2d59b36d8a387568c3d29a5c61b77c528974573af2575eb4d5bb99b6cc45bf5acdf
SSDEEP

24576:eJutKTHEzsxCdlOfnwKnKGY0QUe1wJZ25yD:eJIYH1xHPKsgy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes

extension
.rzml
offline_id
4OGfweO4lKfNTwKczrTWD8yTxQkyAGofoZhcOKt1
payload_url
http://colisumy.com/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

- Target
  
  ff608fc36f275e6d2b4e14619f9b0e66def833b8564372658ff740436718a385
- Size
  
  787KB
- MD5
  
  a4f786ca9129752c85d806faeb9bd809
- SHA1
  
  d71ad35c39784885cfa5f1424d4787fc38bbebe7
- SHA256
  
  ff608fc36f275e6d2b4e14619f9b0e66def833b8564372658ff740436718a385
- SHA512
  
  8858f4b8764b2b19faf351968b2a06d0b528a7d34b33953ee648c64f8b9cd2d59b36d8a387568c3d29a5c61b77c528974573af2575eb4d5bb99b6cc45bf5acdf
- SSDEEP
  
  24576:eJutKTHEzsxCdlOfnwKnKGY0QUe1wJZ25yD:eJIYH1xHPKsgy
Score

10^/10

djvu vidar 25f5344bfcb62e75b7946c3a681aec54 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
- 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
- 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