djvu | cb3b8180f7f4dd148aca4c631f95ee143a92ecf4f7b8fdbf8539055cdc6c7f6a

General

Target

cb3b8180f7f4dd148aca4c631f95ee143a92ecf4f7b8fdbf8539055cdc6c7f6a
Size

705KB
Sample

221122-ea3ztahd43
MD5

ef6418c5bd481f4bd21178d59c435c59
SHA1

764a8ca4dd4376ef3f01f3163bad4ab125b86380
SHA256

cb3b8180f7f4dd148aca4c631f95ee143a92ecf4f7b8fdbf8539055cdc6c7f6a
SHA512

e0f046acb8b8e05c86fee5ecdcae6272841274810c93fa0dd67866da6746fb1a37732850e1637a8d4bda0f24265188395db2d8f94149ee4d9abb87c95640712b
SSDEEP

12288:LTnJIfyBSs4SQO3iFYW4owxFyOnz9JDzBE+P1YF48X6MMwkehQmB+jb163h:LTCKsiTW4jxMk5NzS+P+Mwkeumx3

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/test1/get.php

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55.7

Botnet

517

C2

https://t.me/deadftx

https://www.ultimate-guitar.com/u/smbfupkuhrgc1

Attributes

profile_id
517

Targets

- Target
  
  cb3b8180f7f4dd148aca4c631f95ee143a92ecf4f7b8fdbf8539055cdc6c7f6a
- Size
  
  705KB
- MD5
  
  ef6418c5bd481f4bd21178d59c435c59
- SHA1
  
  764a8ca4dd4376ef3f01f3163bad4ab125b86380
- SHA256
  
  cb3b8180f7f4dd148aca4c631f95ee143a92ecf4f7b8fdbf8539055cdc6c7f6a
- SHA512
  
  e0f046acb8b8e05c86fee5ecdcae6272841274810c93fa0dd67866da6746fb1a37732850e1637a8d4bda0f24265188395db2d8f94149ee4d9abb87c95640712b
- SSDEEP
  
  12288:LTnJIfyBSs4SQO3iFYW4owxFyOnz9JDzBE+P1YF48X6MMwkehQmB+jb163h:LTCKsiTW4jxMk5NzS+P+Mwkeumx3
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
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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