dcrat

General

Target

659d2f69fbb92faf8b7d78fe3029079c.exe
Size

365KB
Sample

231207-bwnv8sabc3
MD5

659d2f69fbb92faf8b7d78fe3029079c
SHA1

32239ab4620fa17e325e1a397b9b0a510642837f
SHA256

e834a8e546ebb97025f70bf9736f32662e0da8312be7220e36b126eab27b8c8c
SHA512

ab1a50fe7df4444fb6339ea1d09bdcb14560c4c203c8a8313f44cffdb0b9e35f6771f1cc437569c238577bc61ec8acf22ee15d3d580b45bafc0791fad1752a2e
SSDEEP

3072:JUCS1tSXdg5oOsapsGWCOZcOXRCPB2sA4+XB5z7Vdb9rK+:pOmdAOCOZcOBqYswPDh

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.nbzi
offline_id
csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1
payload_url
http://brusuax.com/dl/build2.exe

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

Extracted

Family

risepro

C2

193.233.132.51

Targets

- Target
  
  659d2f69fbb92faf8b7d78fe3029079c.exe
- Size
  
  365KB
- MD5
  
  659d2f69fbb92faf8b7d78fe3029079c
- SHA1
  
  32239ab4620fa17e325e1a397b9b0a510642837f
- SHA256
  
  e834a8e546ebb97025f70bf9736f32662e0da8312be7220e36b126eab27b8c8c
- SHA512
  
  ab1a50fe7df4444fb6339ea1d09bdcb14560c4c203c8a8313f44cffdb0b9e35f6771f1cc437569c238577bc61ec8acf22ee15d3d580b45bafc0791fad1752a2e
- SSDEEP
  
  3072:JUCS1tSXdg5oOsapsGWCOZcOXRCPB2sA4+XB5z7Vdb9rK+:pOmdAOCOZcOBqYswPDh
Score

10^/10

dcrat djvu privateloader risepro smokeloader pub1 backdoor collection discovery evasion infostealer loader persistence ransomware rat spyware stealer themida trojan raccoon zgrat
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detect ZGRat V1
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- PrivateLoader
  PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
  loader privateloader
- Raccoon
  Raccoon is an infostealer written in C++ and first seen in 2019.
  stealer raccoon
- Raccoon Stealer V2 payload
- RisePro
  RisePro stealer is an infostealer distributed by PrivateLoader.
  stealer risepro
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Downloads MZ/PE file
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- 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
- Checks whether UAC is enabled
  evasion trojan
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2