dcrat

General

Target

file.exe
Size

232KB
Sample

221017-pavzbabhel
MD5

52ffaf10efe8795445a3df86abd0ded2
SHA1

c1daa480214146034e1bdb20286196246b7a7428
SHA256

10670270d9e09c0b5b515ad8fe190c975ac0427fb1f4a8257445ee0dbb7db2bd
SHA512

77db60f3fd3f930e7244f7728a1bc029fefbaa8f2161a040961c1256691eaf8fb6f4100dc0faea1d1ee96f5f3f828861fa977650cb0e87e58777f4fb2e4df4c6
SSDEEP

3072:sXN7q4qOU4rN6cMmlfez5r65zW+16b5A4dJQmEPc9HfmqJZ0K+Gyq0VP:oXqOOEfa6hbkbysQmt9FZ0zd

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tury
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes

profile_id
517

Extracted

Family

erbium

C2

http://77.73.133.53/cloud/index.php

Targets

- Target
  
  file.exe
- Size
  
  232KB
- MD5
  
  52ffaf10efe8795445a3df86abd0ded2
- SHA1
  
  c1daa480214146034e1bdb20286196246b7a7428
- SHA256
  
  10670270d9e09c0b5b515ad8fe190c975ac0427fb1f4a8257445ee0dbb7db2bd
- SHA512
  
  77db60f3fd3f930e7244f7728a1bc029fefbaa8f2161a040961c1256691eaf8fb6f4100dc0faea1d1ee96f5f3f828861fa977650cb0e87e58777f4fb2e4df4c6
- SSDEEP
  
  3072:sXN7q4qOU4rN6cMmlfez5r65zW+16b5A4dJQmEPc9HfmqJZ0K+Gyq0VP:oXqOOEfa6hbkbysQmt9FZ0zd
Score

10^/10

smokeloader backdoor trojan dcrat djvu erbium vidar 517 collection discovery infostealer persistence ransomware rat spyware stealer vmprotect
- 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
- Erbium
  Erbium is an infostealer written in C++ and first seen in July 2022.
  stealer erbium
- 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
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- 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
- 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 behavioral2