dcrat

General

Target

958d7f6ffcb6d45dd911764601e5c9acad8d50bcee31af1a00b50c574bda12e7
Size

273KB
Sample

221206-dhxx4ahc45
MD5

754d98177706d0573f13854c065b2fa3
SHA1

bc03b79b5fc118fc7ac68d5f978c82549bbaf63e
SHA256

958d7f6ffcb6d45dd911764601e5c9acad8d50bcee31af1a00b50c574bda12e7
SHA512

1ee9603c7ff005f3428c5daa6f2924452a547af7f0c1b20640ec2e300dcfab813ceb67c1f01296c43b2e7c0a5fd8b2e17e584378fbbc1c5b725c5481f2ad2f4d
SSDEEP

3072:ECXVUzYL2R/MWdTgpJTUWR5gCN9+NHDnKsKaetfsFi3UBiVRvJTcp1Sisv7RDFYV:EC0JMW6pJTKVKtaiWi3UBIDcbDyDVS

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.mbtf
offline_id
d1BN9KEra4Hetg5GUH0nQZqy14sntD2NbihzGQt1
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
  
  958d7f6ffcb6d45dd911764601e5c9acad8d50bcee31af1a00b50c574bda12e7
- Size
  
  273KB
- MD5
  
  754d98177706d0573f13854c065b2fa3
- SHA1
  
  bc03b79b5fc118fc7ac68d5f978c82549bbaf63e
- SHA256
  
  958d7f6ffcb6d45dd911764601e5c9acad8d50bcee31af1a00b50c574bda12e7
- SHA512
  
  1ee9603c7ff005f3428c5daa6f2924452a547af7f0c1b20640ec2e300dcfab813ceb67c1f01296c43b2e7c0a5fd8b2e17e584378fbbc1c5b725c5481f2ad2f4d
- SSDEEP
  
  3072:ECXVUzYL2R/MWdTgpJTUWR5gCN9+NHDnKsKaetfsFi3UBiVRvJTcp1Sisv7RDFYV:EC0JMW6pJTKVKtaiWi3UBIDcbDyDVS
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.
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1