djvu | e4540b80b946d55cb53e69e99d823e3f0b7fb5c83782171429740848a7b95402

General

Target
e4540b80b946d55cb53e69e99d823e3f0b7fb5c83782171429740848a7b95402
Size 716KB
Sample221023-qdmmsaaedq
SHA256 e4540b80b946d55cb53e69e99d823e3f0b7fb5c83782171429740848a7b95402
MD5 ba6ad792bc988a23a14f2088da07c433
SHA1 5ae35540ba1074001e4ad91d660329d17ddb38e7
SHA512 5caef3654575fdf59486eff23f27c4ab2574abdda6589a74df1716c53b9b601bd03bd8d2903dd0fd02dcf06abd4b4affdf696e44ff6facca91622226bb86057c
SSDEEP 12288:FeJLUYKUsEOhd1kIzCV0RG/ly4wgCK7vZE5+2xt8LAshvDM+SjGDoiUVQHVD3cIl:F6QYKUsEqkP2Iy4wgrZEM2xshLMXjGBP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nury
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
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
  e4540b80b946d55cb53e69e99d823e3f0b7fb5c83782171429740848a7b95402
- Size 716KB
- SHA256 e4540b80b946d55cb53e69e99d823e3f0b7fb5c83782171429740848a7b95402
- MD5 ba6ad792bc988a23a14f2088da07c433
- SHA1 5ae35540ba1074001e4ad91d660329d17ddb38e7
- SHA512 5caef3654575fdf59486eff23f27c4ab2574abdda6589a74df1716c53b9b601bd03bd8d2903dd0fd02dcf06abd4b4affdf696e44ff6facca91622226bb86057c
- SSDEEP 12288:FeJLUYKUsEOhd1kIzCV0RG/ly4wgCK7vZE5+2xt8LAshvDM+SjGDoiUVQHVD3cIl:F6QYKUsEqkP2Iy4wgrZEM2xshLMXjGBP
- 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
- 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