djvu | 37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c

General

Target
37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c
Size 703KB
Sample221201-tagtxagh6s
SHA256 37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c
MD5 e4ac9588fd75fe70172873b5ca0ab847
SHA1 ba249917c721ed68b568a359a2d54f176fd943be
SHA512 39857dd40f2ab269bc568a11b40228fab03aabfa3dbe3a6baafd0c3320c6ba6636aa36ef67bd691673b337f4757beb194ce83ce400fe3dabdccdd33773440e84
SSDEEP 12288:bqTtg2tDsR7FcGKqYUCq0/Vdfe6HIrimA3g3ORu87TrF5cE:bGtdJerCHJH8JAbRu8T0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyro
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
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

56

Botnet

517

C2

https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Targets

- Target
  37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c
- Size 703KB
- SHA256 37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c
- MD5 e4ac9588fd75fe70172873b5ca0ab847
- SHA1 ba249917c721ed68b568a359a2d54f176fd943be
- SHA512 39857dd40f2ab269bc568a11b40228fab03aabfa3dbe3a6baafd0c3320c6ba6636aa36ef67bd691673b337f4757beb194ce83ce400fe3dabdccdd33773440e84
- SSDEEP 12288:bqTtg2tDsR7FcGKqYUCq0/Vdfe6HIrimA3g3ORu87TrF5cE:bGtdJerCHJH8JAbRu8T0
- 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