dcrat

General

Target
81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
Size 348KB
Sample221202-qjbgpsbb78
SHA256 81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
MD5 4608e1f630e327810faa7b4e90e9890c
SHA1 1797b02943cfc2e7659e98ce1fd1a15685b972a5
SHA512 9c16b50978d0d3db177d3dfbca0542e5769a3542b28211df99f93e8794a6da79ca8071208598c65f69b6ed1f193537d6050e636be7606c5711e5ae8058501907
SSDEEP 6144:YVLICLf46eAxpBjwFjtYoi+n+nBaE0snDHuRjMgU:YxN7eAtGaoi+n+noKiRQg
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
  81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
- Size 348KB
- SHA256 81427e7184dc62c487b322838e67a5cd5ad1da2c70593793f2929e8b904aca3b
- MD5 4608e1f630e327810faa7b4e90e9890c
- SHA1 1797b02943cfc2e7659e98ce1fd1a15685b972a5
- SHA512 9c16b50978d0d3db177d3dfbca0542e5769a3542b28211df99f93e8794a6da79ca8071208598c65f69b6ed1f193537d6050e636be7606c5711e5ae8058501907
- SSDEEP 6144:YVLICLf46eAxpBjwFjtYoi+n+nBaE0snDHuRjMgU:YxN7eAtGaoi+n+noKiRQg
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

dcrat djvu smokeloader vidar 517 backdoor collection discovery infostealer persistence ransomware rat spyware stealer trojan
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- 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
- Drops file in Drivers directory
- 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 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
- Drops Chrome extension
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1