djvu | fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564

General

Target
fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564
Size 351KB
Sample221203-b2b4madd86
SHA256 fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564
MD5 7c178d3dab464866c1748227c11ff2a4
SHA1 1ccc60113c8f434e4bb7e30bf143e5704892f497
SHA512 8eabea0c22d75c7b8a0021ecdf17d791645fabc1a83bc130967cfd2585ca3a65a4825551a984e63dd2b90003a28f68a2a29a34055600bbfbde96b3216f0d06b9
SSDEEP 6144:mletIEGLR8bLAtcRw03PRI0UCr3UbOGYLuR7Znb/jK:mG1Gg0tb0y0UCbGY6R7p
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyit
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
  fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564
- Size 351KB
- SHA256 fd3fa6c676c36d6966db273a6b38fe7cb121b70448b1575f3bc440fabd680564
- MD5 7c178d3dab464866c1748227c11ff2a4
- SHA1 1ccc60113c8f434e4bb7e30bf143e5704892f497
- SHA512 8eabea0c22d75c7b8a0021ecdf17d791645fabc1a83bc130967cfd2585ca3a65a4825551a984e63dd2b90003a28f68a2a29a34055600bbfbde96b3216f0d06b9
- SSDEEP 6144:mletIEGLR8bLAtcRw03PRI0UCr3UbOGYLuR7Znb/jK:mG1Gg0tb0y0UCbGY6R7p
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu smokeloader vidar 517 backdoor collection discovery persistence ransomware spyware stealer trojan
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- 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 Microsoft Outlook profiles
  collection
- 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