dcrat

Target
ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
Size 146KB
Sample221130-rms2lagf28
SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
MD5 2c6e6e290972fcd5e556efccfd51f174
SHA1 ec3de0785e4ccd0282e92e35c915ddb72832fd83
SHA512 a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f
SSDEEP 1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

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

Botnet

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

Attributes

profile_id
517

Targets

- Target
  ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
- Size 146KB
- SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
- MD5 2c6e6e290972fcd5e556efccfd51f174
- SHA1 ec3de0785e4ccd0282e92e35c915ddb72832fd83
- SHA512 a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f
- SSDEEP 1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

dcrat djvu smokeloader vidar 517 backdoor bootkit 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
- Blocklisted process makes network request
- Downloads MZ/PE file
- Drops file in Drivers directory
- Executes dropped EXE
- Sets DLL path for service in the registry
  persistence
- Sets service image path in registry
  persistence
- 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 accounts
  collection
- 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
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1