djvu | b85952de1c0e0325eacb47eae98c2cf30af8009faa5d9ac6c77ef728bbeea3fc

General

Target
b85952de1c0e0325eacb47eae98c2cf30af8009faa5d9ac6c77ef728bbeea3fc
Size 747KB
Sample221020-dplteabhcj
SHA256 b85952de1c0e0325eacb47eae98c2cf30af8009faa5d9ac6c77ef728bbeea3fc
MD5 e85b76e6329d84a2deaf949a41f9f38b
SHA1 33683932dd9ab46ccf33177363b1143242a284bb
SHA512 d892265fd3abd2a92a3edf3df4f859144199a8c52eff4ac3dc5a34b5453b3e0c0acb880ea6114b756973318d9ab137a9866caf7a16529f98efe00e122084a5b6
SSDEEP 12288:1fAGqwm1NV+wdNNks+yQENphTJJkmbrBD+McvmnLPn//YOk0MBmTBa45Z:1IX1ldNNkwQENvjpd+Vmv/gOhfTf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  b85952de1c0e0325eacb47eae98c2cf30af8009faa5d9ac6c77ef728bbeea3fc
- Size 747KB
- SHA256 b85952de1c0e0325eacb47eae98c2cf30af8009faa5d9ac6c77ef728bbeea3fc
- MD5 e85b76e6329d84a2deaf949a41f9f38b
- SHA1 33683932dd9ab46ccf33177363b1143242a284bb
- SHA512 d892265fd3abd2a92a3edf3df4f859144199a8c52eff4ac3dc5a34b5453b3e0c0acb880ea6114b756973318d9ab137a9866caf7a16529f98efe00e122084a5b6
- SSDEEP 12288:1fAGqwm1NV+wdNNks+yQENphTJJkmbrBD+McvmnLPn//YOk0MBmTBa45Z:1IX1ldNNkwQENvjpd+Vmv/gOhfTf
- MD5 SHA1 SHA512 SSDEEP
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
- 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